diff --git a/.claude/commands/deploy.md b/.claude/commands/deploy.md
index d6d6a876..0974d15a 100644
--- a/.claude/commands/deploy.md
+++ b/.claude/commands/deploy.md
@@ -1,6 +1,6 @@
 # Deploy Command
 
-Deploy smesh to the VPS at 10.0.0.1, serving on port 3008 behind smesh.mleku.dev.
+Deploy smesh to the VPS at mleku.dev, serving on port 3008 behind smesh.mleku.dev.
 
 ## Instructions
 
@@ -13,17 +13,17 @@ Deploy smesh to the VPS at 10.0.0.1, serving on port 3008 behind smesh.mleku.dev
 
 3. Sync the dist folder to the VPS:
    ```bash
-   rsync -avz --delete dist/ 10.0.0.1:~/smesh/dist/
+   rsync -avz --delete dist/ mleku.dev:~/smesh/dist/
    ```
 
 4. Restart the smesh service on the VPS:
    ```bash
-   ssh 10.0.0.1 "sudo systemctl restart smesh"
+   ssh mleku.dev "sudo systemctl restart smesh"
    ```
 
 5. Verify the service is running:
    ```bash
-   ssh 10.0.0.1 "sudo systemctl status smesh"
+   ssh mleku.dev "sudo systemctl status smesh"
    ```
 
 6. Report the deployment status and the URL: https://smesh.mleku.dev
diff --git a/src/App.tsx b/src/App.tsx
index c33b8243..202bf450 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -5,6 +5,7 @@ import { Toaster } from '@/components/ui/sonner'
 import { BookmarksProvider } from '@/providers/BookmarksProvider'
 import { ContentPolicyProvider } from '@/providers/ContentPolicyProvider'
 import { DeletedEventProvider } from '@/providers/DeletedEventProvider'
+import { DMProvider } from '@/providers/DMProvider'
 import { EmojiPackProvider } from '@/providers/EmojiPackProvider'
 import { FavoriteRelaysProvider } from '@/providers/FavoriteRelaysProvider'
 import { FeedProvider } from '@/providers/FeedProvider'
@@ -38,8 +39,9 @@ export default function App(): JSX.Element {
                     <FavoriteRelaysProvider>
                       <FollowListProvider>
                         <MuteListProvider>
-                          <UserTrustProvider>
-                            <BookmarksProvider>
+                          <DMProvider>
+                            <UserTrustProvider>
+                              <BookmarksProvider>
                               <EmojiPackProvider>
                                 <PinListProvider>
                                   <PinnedUsersProvider>
@@ -55,7 +57,8 @@ export default function App(): JSX.Element {
                                 </PinListProvider>
                               </EmojiPackProvider>
                             </BookmarksProvider>
-                          </UserTrustProvider>
+                            </UserTrustProvider>
+                          </DMProvider>
                         </MuteListProvider>
                       </FollowListProvider>
                     </FavoriteRelaysProvider>
diff --git a/src/components/Inbox/ConversationItem.tsx b/src/components/Inbox/ConversationItem.tsx
new file mode 100644
index 00000000..4aed7553
--- /dev/null
+++ b/src/components/Inbox/ConversationItem.tsx
@@ -0,0 +1,81 @@
+import UserAvatar from '@/components/UserAvatar'
+import { formatTimestamp } from '@/lib/timestamp'
+import { cn } from '@/lib/utils'
+import client from '@/services/client.service'
+import { TConversation, TProfile } from '@/types'
+import { Lock, Users } from 'lucide-react'
+import { useEffect, useState } from 'react'
+
+interface ConversationItemProps {
+  conversation: TConversation
+  isActive: boolean
+  isFollowing: boolean
+  onClick: () => void
+}
+
+export default function ConversationItem({
+  conversation,
+  isActive,
+  isFollowing,
+  onClick
+}: ConversationItemProps) {
+  const [profile, setProfile] = useState<TProfile | null>(null)
+
+  useEffect(() => {
+    const fetchProfileData = async () => {
+      try {
+        const profileData = await client.fetchProfile(conversation.partnerPubkey)
+        if (profileData) {
+          setProfile(profileData)
+        }
+      } catch (error) {
+        console.error('Failed to fetch profile:', error)
+      }
+    }
+    fetchProfileData()
+  }, [conversation.partnerPubkey])
+
+  const displayName = profile?.username || conversation.partnerPubkey.slice(0, 8) + '...'
+  const formattedTime = formatTimestamp(conversation.lastMessageAt)
+
+  return (
+    <button
+      onClick={onClick}
+      className={cn(
+        'w-full flex items-start gap-3 p-3 hover:bg-accent/50 transition-colors text-left',
+        isActive && 'bg-accent'
+      )}
+    >
+      <UserAvatar userId={conversation.partnerPubkey} className="size-10 flex-shrink-0" />
+
+      <div className="flex-1 min-w-0">
+        <div className="flex items-center justify-between gap-2">
+          <div className="flex items-center gap-1.5 min-w-0">
+            <span className="font-medium text-sm truncate">{displayName}</span>
+            {isFollowing && (
+              <span className="text-xs text-primary flex-shrink-0" title="Following">
+                <Users className="size-3" />
+              </span>
+            )}
+          </div>
+          <span className="text-xs text-muted-foreground flex-shrink-0">{formattedTime}</span>
+        </div>
+
+        <div className="flex items-center gap-1.5 mt-0.5">
+          {conversation.preferredEncryption === 'nip17' && (
+            <span title="NIP-17 encrypted">
+              <Lock className="size-3 text-green-500 flex-shrink-0" />
+            </span>
+          )}
+          <p className="text-sm text-muted-foreground truncate">{conversation.lastMessagePreview}</p>
+        </div>
+
+        {conversation.unreadCount > 0 && (
+          <span className="inline-flex items-center justify-center size-5 text-xs rounded-full bg-primary text-primary-foreground mt-1">
+            {conversation.unreadCount}
+          </span>
+        )}
+      </div>
+    </button>
+  )
+}
diff --git a/src/components/Inbox/ConversationList.tsx b/src/components/Inbox/ConversationList.tsx
new file mode 100644
index 00000000..5d6b75a4
--- /dev/null
+++ b/src/components/Inbox/ConversationList.tsx
@@ -0,0 +1,145 @@
+import { useDM } from '@/providers/DMProvider'
+import { useFollowList } from '@/providers/FollowListProvider'
+import { useMuteList } from '@/providers/MuteListProvider'
+import storage from '@/services/local-storage.service'
+import { Check, Loader2, MessageSquare, MoreVertical, RefreshCw } from 'lucide-react'
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react'
+import { useTranslation } from 'react-i18next'
+import { Button } from '../ui/button'
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuTrigger
+} from '../ui/dropdown-menu'
+import { ScrollArea } from '../ui/scroll-area'
+import ConversationItem from './ConversationItem'
+
+export default function ConversationList() {
+  const { t } = useTranslation()
+  const {
+    conversations,
+    currentConversation,
+    selectConversation,
+    refreshConversations,
+    loadMoreConversations,
+    hasMoreConversations,
+    isLoading
+  } = useDM()
+  const { followingSet } = useFollowList()
+  const { mutePubkeySet } = useMuteList()
+  const loadMoreRef = useRef<HTMLDivElement>(null)
+  const [filterMode, setFilterMode] = useState<'all' | 'follows'>(() =>
+    storage.getDMConversationFilter()
+  )
+
+  // Filter and sort conversations
+  const sortedConversations = useMemo(() => {
+    let filtered = [...conversations]
+
+    if (filterMode === 'follows') {
+      // Only show conversations from follows, and hide muted users
+      filtered = filtered.filter(
+        (c) => followingSet.has(c.partnerPubkey) && !mutePubkeySet.has(c.partnerPubkey)
+      )
+    }
+
+    return filtered.sort((a, b) => b.lastMessageAt - a.lastMessageAt)
+  }, [conversations, filterMode, followingSet, mutePubkeySet])
+
+  const handleFilterChange = (mode: 'all' | 'follows') => {
+    setFilterMode(mode)
+    storage.setDMConversationFilter(mode)
+  }
+
+  // Infinite scroll: load more when sentinel is visible
+  const handleIntersection = useCallback(
+    (entries: IntersectionObserverEntry[]) => {
+      const [entry] = entries
+      if (entry.isIntersecting && hasMoreConversations && !isLoading) {
+        loadMoreConversations()
+      }
+    },
+    [hasMoreConversations, isLoading, loadMoreConversations]
+  )
+
+  useEffect(() => {
+    const observer = new IntersectionObserver(handleIntersection, {
+      root: null,
+      rootMargin: '100px',
+      threshold: 0
+    })
+
+    if (loadMoreRef.current) {
+      observer.observe(loadMoreRef.current)
+    }
+
+    return () => observer.disconnect()
+  }, [handleIntersection])
+
+  return (
+    <div className="flex flex-col h-full">
+      <div className="flex items-center justify-between p-3 border-b">
+        <span className="font-medium text-sm">{t('Conversations')}</span>
+        <div className="flex items-center gap-1">
+          <Button
+            variant="ghost"
+            size="icon"
+            className="size-8"
+            onClick={refreshConversations}
+            disabled={isLoading}
+          >
+            <RefreshCw className={`size-4 ${isLoading ? 'animate-spin' : ''}`} />
+          </Button>
+          <DropdownMenu>
+            <DropdownMenuTrigger asChild>
+              <Button variant="ghost" size="icon" className="size-8">
+                <MoreVertical className="size-4" />
+              </Button>
+            </DropdownMenuTrigger>
+            <DropdownMenuContent align="end">
+              <DropdownMenuItem onClick={() => handleFilterChange('follows')}>
+                {filterMode === 'follows' && <Check className="size-4 mr-2" />}
+                <span className={filterMode !== 'follows' ? 'ml-6' : ''}>
+                  {t('Only show follows')}
+                </span>
+              </DropdownMenuItem>
+              <DropdownMenuItem onClick={() => handleFilterChange('all')}>
+                {filterMode === 'all' && <Check className="size-4 mr-2" />}
+                <span className={filterMode !== 'all' ? 'ml-6' : ''}>{t('Show all')}</span>
+              </DropdownMenuItem>
+            </DropdownMenuContent>
+          </DropdownMenu>
+        </div>
+      </div>
+
+      <ScrollArea className="flex-1">
+        {sortedConversations.length === 0 && !isLoading ? (
+          <div className="flex flex-col items-center justify-center h-48 gap-2 text-muted-foreground px-4">
+            <MessageSquare className="size-8" />
+            <p className="text-sm text-center">{t('No conversations yet')}</p>
+            <p className="text-xs text-center">{t('Start a conversation by visiting a profile')}</p>
+          </div>
+        ) : (
+          <div className="divide-y">
+            {sortedConversations.map((conversation) => (
+              <ConversationItem
+                key={conversation.partnerPubkey}
+                conversation={conversation}
+                isActive={currentConversation === conversation.partnerPubkey}
+                isFollowing={followingSet.has(conversation.partnerPubkey)}
+                onClick={() => selectConversation(conversation.partnerPubkey)}
+              />
+            ))}
+            {/* Sentinel element for infinite scroll */}
+            {hasMoreConversations && (
+              <div ref={loadMoreRef} className="flex justify-center py-4">
+                <Loader2 className="size-5 animate-spin text-muted-foreground" />
+              </div>
+            )}
+          </div>
+        )}
+      </ScrollArea>
+    </div>
+  )
+}
diff --git a/src/components/Inbox/ConversationSettingsModal.tsx b/src/components/Inbox/ConversationSettingsModal.tsx
new file mode 100644
index 00000000..9b7fd14b
--- /dev/null
+++ b/src/components/Inbox/ConversationSettingsModal.tsx
@@ -0,0 +1,313 @@
+import {
+  Dialog,
+  DialogContent,
+  DialogHeader,
+  DialogTitle
+} from '@/components/ui/dialog'
+import { Button } from '@/components/ui/button'
+import { Checkbox } from '@/components/ui/checkbox'
+import { Label } from '@/components/ui/label'
+import { RadioGroup, RadioGroupItem } from '@/components/ui/radio-group'
+import { useNostr } from '@/providers/NostrProvider'
+import client from '@/services/client.service'
+import indexedDb from '@/services/indexed-db.service'
+import { TRelayList } from '@/types'
+import { Check, Loader2, Lock, LockOpen, User, Users, Zap } from 'lucide-react'
+import { useEffect, useState } from 'react'
+import { useTranslation } from 'react-i18next'
+
+type EncryptionPreference = 'auto' | 'nip04' | 'nip17'
+
+interface ConversationSettingsModalProps {
+  partnerPubkey: string | null
+  open: boolean
+  onOpenChange: (open: boolean) => void
+  selectedRelays: string[]
+  onSelectedRelaysChange: (relays: string[]) => void
+}
+
+type RelayInfo = {
+  url: string
+  isYours: boolean
+  isTheirs: boolean
+  isShared: boolean
+}
+
+export default function ConversationSettingsModal({
+  partnerPubkey,
+  open,
+  onOpenChange,
+  selectedRelays,
+  onSelectedRelaysChange
+}: ConversationSettingsModalProps) {
+  const { t } = useTranslation()
+  const { pubkey, relayList: myRelayList, hasNip44Support } = useNostr()
+  const [partnerRelayList, setPartnerRelayList] = useState<TRelayList | null>(null)
+  const [isLoading, setIsLoading] = useState(false)
+  const [relays, setRelays] = useState<RelayInfo[]>([])
+  const [encryptionPreference, setEncryptionPreference] = useState<EncryptionPreference>('auto')
+
+  // Fetch partner's relay list when modal opens
+  useEffect(() => {
+    if (!open || !partnerPubkey) return
+
+    const fetchPartnerRelays = async () => {
+      setIsLoading(true)
+      try {
+        const relayList = await client.fetchRelayList(partnerPubkey)
+        setPartnerRelayList(relayList)
+      } catch (error) {
+        console.error('Failed to fetch partner relay list:', error)
+      } finally {
+        setIsLoading(false)
+      }
+    }
+
+    fetchPartnerRelays()
+  }, [open, partnerPubkey])
+
+  // Load encryption preference when modal opens
+  useEffect(() => {
+    if (!open || !partnerPubkey || !pubkey) return
+
+    const loadEncryptionPreference = async () => {
+      const saved = await indexedDb.getConversationEncryptionPreference(pubkey, partnerPubkey)
+      setEncryptionPreference(saved || 'auto')
+    }
+    loadEncryptionPreference()
+  }, [open, partnerPubkey, pubkey])
+
+  // Save encryption preference when it changes
+  const handleEncryptionChange = async (value: EncryptionPreference) => {
+    setEncryptionPreference(value)
+    if (pubkey && partnerPubkey) {
+      await indexedDb.putConversationEncryptionPreference(pubkey, partnerPubkey, value)
+    }
+  }
+
+  // Build relay list when data is available
+  useEffect(() => {
+    if (!myRelayList || !partnerRelayList) return
+
+    const myWriteRelays = new Set(myRelayList.write.map((r) => r.replace(/\/$/, '')))
+    const theirReadRelays = new Set(partnerRelayList.read.map((r) => r.replace(/\/$/, '')))
+
+    // Combine all relays
+    const allRelayUrls = new Set<string>()
+    myRelayList.write.forEach((r) => allRelayUrls.add(r.replace(/\/$/, '')))
+    partnerRelayList.read.forEach((r) => allRelayUrls.add(r.replace(/\/$/, '')))
+
+    const relayInfos: RelayInfo[] = Array.from(allRelayUrls).map((url) => {
+      const normalizedUrl = url.replace(/\/$/, '')
+      const isYours = myWriteRelays.has(normalizedUrl)
+      const isTheirs = theirReadRelays.has(normalizedUrl)
+      return {
+        url,
+        isYours,
+        isTheirs,
+        isShared: isYours && isTheirs
+      }
+    })
+
+    // Sort: shared first, then yours, then theirs
+    relayInfos.sort((a, b) => {
+      if (a.isShared && !b.isShared) return -1
+      if (!a.isShared && b.isShared) return 1
+      if (a.isYours && !b.isYours) return -1
+      if (!a.isYours && b.isYours) return 1
+      return a.url.localeCompare(b.url)
+    })
+
+    setRelays(relayInfos)
+
+    // If no relays selected yet, default to shared relays
+    if (selectedRelays.length === 0) {
+      const sharedRelays = relayInfos.filter((r) => r.isShared).map((r) => r.url)
+      if (sharedRelays.length > 0) {
+        onSelectedRelaysChange(sharedRelays)
+      }
+    }
+  }, [myRelayList, partnerRelayList])
+
+  const toggleRelay = (url: string) => {
+    if (selectedRelays.includes(url)) {
+      onSelectedRelaysChange(selectedRelays.filter((r) => r !== url))
+    } else {
+      onSelectedRelaysChange([...selectedRelays, url])
+    }
+  }
+
+  const selectAllShared = () => {
+    const sharedUrls = relays.filter((r) => r.isShared).map((r) => r.url)
+    onSelectedRelaysChange(sharedUrls)
+  }
+
+  const selectAll = () => {
+    onSelectedRelaysChange(relays.map((r) => r.url))
+  }
+
+  const formatRelayUrl = (url: string) => {
+    try {
+      const parsed = new URL(url)
+      return parsed.hostname + (parsed.pathname !== '/' ? parsed.pathname : '')
+    } catch {
+      return url
+    }
+  }
+
+  if (!partnerPubkey || !pubkey) return null
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent className="max-w-md max-h-[80vh] flex flex-col">
+        <DialogHeader>
+          <DialogTitle>{t('Conversation Settings')}</DialogTitle>
+        </DialogHeader>
+
+        <div className="flex-1 overflow-hidden flex flex-col gap-4">
+          {/* Encryption Preference */}
+          <div className="space-y-2">
+            <Label className="text-sm font-medium">{t('Encryption')}</Label>
+            <RadioGroup
+              value={encryptionPreference}
+              onValueChange={(value) => handleEncryptionChange(value as EncryptionPreference)}
+              className="grid grid-cols-3 gap-2"
+            >
+              <div className="flex items-center space-x-2">
+                <RadioGroupItem value="auto" id="enc-auto" />
+                <Label
+                  htmlFor="enc-auto"
+                  className="flex items-center gap-1 text-xs cursor-pointer"
+                >
+                  <Zap className="size-3" />
+                  {t('Auto')}
+                </Label>
+              </div>
+              <div className="flex items-center space-x-2">
+                <RadioGroupItem value="nip04" id="enc-nip04" />
+                <Label
+                  htmlFor="enc-nip04"
+                  className="flex items-center gap-1 text-xs cursor-pointer"
+                >
+                  <LockOpen className="size-3" />
+                  NIP-04
+                </Label>
+              </div>
+              <div className="flex items-center space-x-2">
+                <RadioGroupItem
+                  value="nip17"
+                  id="enc-nip17"
+                  disabled={!hasNip44Support}
+                />
+                <Label
+                  htmlFor="enc-nip17"
+                  className={`flex items-center gap-1 text-xs cursor-pointer ${!hasNip44Support ? 'opacity-50' : ''}`}
+                >
+                  <Lock className="size-3" />
+                  NIP-17
+                </Label>
+              </div>
+            </RadioGroup>
+            <p className="text-xs text-muted-foreground">
+              {encryptionPreference === 'auto'
+                ? t('Matches existing conversation encryption, or sends both on first message')
+                : encryptionPreference === 'nip04'
+                  ? t('Classic encryption (NIP-04) - compatible with all clients')
+                  : t('Modern encryption (NIP-17) - more private with metadata protection')}
+            </p>
+          </div>
+
+          <div className="border-t pt-4">
+            <Label className="text-sm font-medium">{t('Relays')}</Label>
+          </div>
+
+          {/* Legend */}
+          <div className="flex flex-wrap gap-3 text-xs text-muted-foreground">
+            <div className="flex items-center gap-1">
+              <User className="size-3" />
+              <span>{t('You')}</span>
+            </div>
+            <div className="flex items-center gap-1">
+              <Users className="size-3" />
+              <span>{t('Them')}</span>
+            </div>
+            <div className="flex items-center gap-1">
+              <div className="size-3 rounded bg-green-500/20 border border-green-500/50" />
+              <span>{t('Shared')}</span>
+            </div>
+            <div className="flex items-center gap-1">
+              <Check className="size-3" />
+              <span>{t('Selected for sending')}</span>
+            </div>
+          </div>
+
+          {/* Quick actions */}
+          <div className="flex gap-2">
+            <Button variant="outline" size="sm" onClick={selectAllShared}>
+              {t('Select shared')}
+            </Button>
+            <Button variant="outline" size="sm" onClick={selectAll}>
+              {t('Select all')}
+            </Button>
+          </div>
+
+          {/* Relay list */}
+          <div className="flex-1 overflow-y-auto space-y-1 min-h-0">
+            {isLoading ? (
+              <div className="flex items-center justify-center py-8">
+                <Loader2 className="size-6 animate-spin text-muted-foreground" />
+              </div>
+            ) : relays.length === 0 ? (
+              <p className="text-sm text-muted-foreground text-center py-4">
+                {t('No relay information available')}
+              </p>
+            ) : (
+              relays.map((relay) => (
+                <div
+                  key={relay.url}
+                  className={`flex items-center gap-2 p-2 rounded-lg cursor-pointer hover:bg-accent/50 transition-colors ${
+                    relay.isShared ? 'bg-green-500/10 border border-green-500/30' : 'bg-muted/50'
+                  }`}
+                  onClick={() => toggleRelay(relay.url)}
+                >
+                  <Checkbox
+                    checked={selectedRelays.includes(relay.url)}
+                    onCheckedChange={() => toggleRelay(relay.url)}
+                  />
+                  <div className="flex-1 min-w-0">
+                    <span className="text-sm font-mono truncate block" title={relay.url}>
+                      {formatRelayUrl(relay.url)}
+                    </span>
+                  </div>
+                  <div className="flex items-center gap-1 flex-shrink-0">
+                    {relay.isYours && (
+                      <span
+                        className="text-xs px-1.5 py-0.5 rounded bg-blue-500/20 text-blue-600 dark:text-blue-400"
+                        title={t('Your write relay')}
+                      >
+                        <User className="size-3" />
+                      </span>
+                    )}
+                    {relay.isTheirs && (
+                      <span
+                        className="text-xs px-1.5 py-0.5 rounded bg-purple-500/20 text-purple-600 dark:text-purple-400"
+                        title={t('Their read relay')}
+                      >
+                        <Users className="size-3" />
+                      </span>
+                    )}
+                  </div>
+                </div>
+              ))
+            )}
+          </div>
+
+          {/* Info text */}
+          <p className="text-xs text-muted-foreground">
+            {t('Selected relays will be used when sending new messages in this conversation.')}
+          </p>
+        </div>
+      </DialogContent>
+    </Dialog>
+  )
+}
diff --git a/src/components/Inbox/InboxContent.tsx b/src/components/Inbox/InboxContent.tsx
new file mode 100644
index 00000000..4718f829
--- /dev/null
+++ b/src/components/Inbox/InboxContent.tsx
@@ -0,0 +1,80 @@
+import { useDM } from '@/providers/DMProvider'
+import { Loader2, RefreshCw } from 'lucide-react'
+import { useEffect, useState } from 'react'
+import { useTranslation } from 'react-i18next'
+import ConversationList from './ConversationList'
+import MessageView from './MessageView'
+import { Button } from '../ui/button'
+
+export default function InboxContent() {
+  const { t } = useTranslation()
+  const { isLoading, error, refreshConversations, currentConversation, selectConversation } =
+    useDM()
+  const [isMobileView, setIsMobileView] = useState(false)
+
+  useEffect(() => {
+    const checkMobile = () => {
+      setIsMobileView(window.innerWidth < 768)
+    }
+    checkMobile()
+    window.addEventListener('resize', checkMobile)
+    return () => window.removeEventListener('resize', checkMobile)
+  }, [])
+
+  if (isLoading && !currentConversation) {
+    return (
+      <div className="flex items-center justify-center h-64">
+        <div className="flex flex-col items-center gap-2 text-muted-foreground">
+          <Loader2 className="size-8 animate-spin" />
+          <span className="text-sm">{t('Loading messages...')}</span>
+        </div>
+      </div>
+    )
+  }
+
+  if (error) {
+    return (
+      <div className="flex flex-col items-center justify-center h-64 gap-4 text-muted-foreground">
+        <p>{error}</p>
+        <Button onClick={refreshConversations} variant="outline" size="sm" className="gap-2">
+          <RefreshCw className="size-4" />
+          {t('Retry')}
+        </Button>
+      </div>
+    )
+  }
+
+  // Mobile view: show either list or conversation
+  if (isMobileView) {
+    if (currentConversation) {
+      return (
+        <div className="h-[calc(100vh-8rem)]">
+          <MessageView onBack={() => selectConversation(null)} />
+        </div>
+      )
+    }
+    return (
+      <div className="h-[calc(100vh-8rem)]">
+        <ConversationList />
+      </div>
+    )
+  }
+
+  // Desktop view: split pane
+  return (
+    <div className="flex h-[calc(100vh-8rem)]">
+      <div className="w-80 border-r flex-shrink-0 overflow-hidden">
+        <ConversationList />
+      </div>
+      <div className="flex-1 overflow-hidden">
+        {currentConversation ? (
+          <MessageView />
+        ) : (
+          <div className="flex items-center justify-center h-full text-muted-foreground">
+            <p>{t('Select a conversation to view messages')}</p>
+          </div>
+        )}
+      </div>
+    </div>
+  )
+}
diff --git a/src/components/Inbox/MessageComposer.tsx b/src/components/Inbox/MessageComposer.tsx
new file mode 100644
index 00000000..9f06d74e
--- /dev/null
+++ b/src/components/Inbox/MessageComposer.tsx
@@ -0,0 +1,77 @@
+import { useDM } from '@/providers/DMProvider'
+import { AlertCircle, Loader2, Send } from 'lucide-react'
+import { useRef, useState } from 'react'
+import { useTranslation } from 'react-i18next'
+import { Button } from '../ui/button'
+import { Textarea } from '../ui/textarea'
+
+export default function MessageComposer() {
+  const { t } = useTranslation()
+  const { sendMessage, currentConversation } = useDM()
+  const [message, setMessage] = useState('')
+  const [isSending, setIsSending] = useState(false)
+  const [error, setError] = useState<string | null>(null)
+  const textareaRef = useRef<HTMLTextAreaElement>(null)
+
+  const handleSend = async () => {
+    if (!message.trim() || !currentConversation || isSending) return
+
+    setIsSending(true)
+    setError(null)
+    try {
+      await sendMessage(message.trim())
+      setMessage('')
+      // Return focus to input after sending
+      textareaRef.current?.focus()
+    } catch (err) {
+      console.error('Failed to send message:', err)
+      setError(err instanceof Error ? err.message : t('Failed to send message'))
+    } finally {
+      setIsSending(false)
+    }
+  }
+
+  const handleKeyDown = (e: React.KeyboardEvent<HTMLTextAreaElement>) => {
+    if (e.key === 'Enter' && !e.shiftKey) {
+      e.preventDefault()
+      handleSend()
+    }
+  }
+
+  return (
+    <div className="p-3 space-y-2">
+      {error && (
+        <div className="flex items-center gap-2 text-destructive text-xs">
+          <AlertCircle className="size-3 flex-shrink-0" />
+          <span>{error}</span>
+        </div>
+      )}
+      <div className="flex items-end gap-2">
+        <Textarea
+          ref={textareaRef}
+          value={message}
+          onChange={(e) => {
+            setMessage(e.target.value)
+            if (error) setError(null)
+          }}
+          onKeyDown={handleKeyDown}
+          placeholder={t('Type a message...')}
+          className="min-h-[40px] max-h-32 resize-none"
+          disabled={isSending || !currentConversation}
+        />
+        <Button
+          onClick={handleSend}
+          disabled={!message.trim() || isSending || !currentConversation}
+          size="icon"
+          className="flex-shrink-0"
+        >
+          {isSending ? (
+            <Loader2 className="size-4 animate-spin" />
+          ) : (
+            <Send className="size-4" />
+          )}
+        </Button>
+      </div>
+    </div>
+  )
+}
diff --git a/src/components/Inbox/MessageInfoModal.tsx b/src/components/Inbox/MessageInfoModal.tsx
new file mode 100644
index 00000000..f0633293
--- /dev/null
+++ b/src/components/Inbox/MessageInfoModal.tsx
@@ -0,0 +1,133 @@
+import {
+  Dialog,
+  DialogContent,
+  DialogHeader,
+  DialogTitle
+} from '@/components/ui/dialog'
+import { Button } from '@/components/ui/button'
+import dmService from '@/services/dm.service'
+import { TDirectMessage } from '@/types'
+import { Loader2, RefreshCw, Server } from 'lucide-react'
+import { useState } from 'react'
+import { useTranslation } from 'react-i18next'
+
+interface MessageInfoModalProps {
+  message: TDirectMessage | null
+  open: boolean
+  onOpenChange: (open: boolean) => void
+  onRelaysUpdated?: (relays: string[]) => void
+}
+
+export default function MessageInfoModal({
+  message,
+  open,
+  onOpenChange,
+  onRelaysUpdated
+}: MessageInfoModalProps) {
+  const { t } = useTranslation()
+  const [isChecking, setIsChecking] = useState(false)
+  const [additionalRelays, setAdditionalRelays] = useState<string[]>([])
+
+  if (!message) return null
+
+  const allRelays = [...(message.seenOnRelays || []), ...additionalRelays]
+  const uniqueRelays = [...new Set(allRelays)]
+
+  const handleCheckOtherRelays = async () => {
+    setIsChecking(true)
+    try {
+      const foundRelays = await dmService.checkOtherRelaysForEvent(
+        message.id,
+        uniqueRelays
+      )
+      if (foundRelays.length > 0) {
+        const newRelays = [...additionalRelays, ...foundRelays]
+        setAdditionalRelays(newRelays)
+        onRelaysUpdated?.([...(message.seenOnRelays || []), ...newRelays])
+      }
+    } catch (error) {
+      console.error('Failed to check other relays:', error)
+    } finally {
+      setIsChecking(false)
+    }
+  }
+
+  const formatRelayUrl = (url: string) => {
+    try {
+      const parsed = new URL(url)
+      return parsed.hostname + (parsed.pathname !== '/' ? parsed.pathname : '')
+    } catch {
+      return url
+    }
+  }
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent className="max-w-sm">
+        <DialogHeader>
+          <DialogTitle className="flex items-center gap-2">
+            <Server className="size-4" />
+            {t('Message Info')}
+          </DialogTitle>
+        </DialogHeader>
+
+        <div className="space-y-4">
+          {/* Protocol */}
+          <div>
+            <span className="text-sm font-medium text-muted-foreground">
+              {t('Encryption')}
+            </span>
+            <p className="text-sm mt-1">
+              {message.encryptionType === 'nip17' ? 'NIP-44 (Gift Wrap)' : 'NIP-04 (Legacy)'}
+            </p>
+          </div>
+
+          {/* Relays */}
+          <div>
+            <span className="text-sm font-medium text-muted-foreground">
+              {t('Seen on relays')}
+            </span>
+            {uniqueRelays.length > 0 ? (
+              <ul className="mt-1 space-y-1">
+                {uniqueRelays.map((relay) => (
+                  <li
+                    key={relay}
+                    className="text-sm font-mono bg-muted px-2 py-1 rounded truncate"
+                    title={relay}
+                  >
+                    {formatRelayUrl(relay)}
+                  </li>
+                ))}
+              </ul>
+            ) : (
+              <p className="text-sm text-muted-foreground mt-1">
+                {t('No relay information available')}
+              </p>
+            )}
+          </div>
+
+          {/* Check other relays button */}
+          <Button
+            variant="outline"
+            size="sm"
+            className="w-full"
+            onClick={handleCheckOtherRelays}
+            disabled={isChecking}
+          >
+            {isChecking ? (
+              <>
+                <Loader2 className="size-4 mr-2 animate-spin" />
+                {t('Checking...')}
+              </>
+            ) : (
+              <>
+                <RefreshCw className="size-4 mr-2" />
+                {t('Check for other relays')}
+              </>
+            )}
+          </Button>
+        </div>
+      </DialogContent>
+    </Dialog>
+  )
+}
diff --git a/src/components/Inbox/MessageView.tsx b/src/components/Inbox/MessageView.tsx
new file mode 100644
index 00000000..a8c844fd
--- /dev/null
+++ b/src/components/Inbox/MessageView.tsx
@@ -0,0 +1,400 @@
+import UserAvatar from '@/components/UserAvatar'
+import { formatTimestamp } from '@/lib/timestamp'
+import { cn } from '@/lib/utils'
+import { useDM } from '@/providers/DMProvider'
+import { useNostr } from '@/providers/NostrProvider'
+import client from '@/services/client.service'
+import indexedDb from '@/services/indexed-db.service'
+import { TDirectMessage, TProfile } from '@/types'
+import { ArrowLeft, ChevronDown, Loader2, MoreVertical, RefreshCw, Settings, Trash2, Undo2, Users, X } from 'lucide-react'
+import { useEffect, useRef, useState } from 'react'
+import { useTranslation } from 'react-i18next'
+import { Button } from '../ui/button'
+import { ScrollArea } from '../ui/scroll-area'
+import { Checkbox } from '../ui/checkbox'
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuTrigger
+} from '../ui/dropdown-menu'
+import MessageComposer from './MessageComposer'
+import MessageInfoModal from './MessageInfoModal'
+import ConversationSettingsModal from './ConversationSettingsModal'
+import { useFollowList } from '@/providers/FollowListProvider'
+
+interface MessageViewProps {
+  onBack?: () => void
+}
+
+export default function MessageView({ onBack }: MessageViewProps) {
+  const { t } = useTranslation()
+  const { pubkey } = useNostr()
+  const {
+    currentConversation,
+    messages,
+    isLoadingConversation,
+    isNewConversation,
+    clearNewConversationFlag,
+    reloadConversation,
+    // Selection mode
+    selectedMessages,
+    isSelectionMode,
+    toggleMessageSelection,
+    clearSelection,
+    deleteSelectedMessages,
+    deleteAllInConversation,
+    undeleteAllInConversation
+  } = useDM()
+  const { followingSet } = useFollowList()
+  const [profile, setProfile] = useState<TProfile | null>(null)
+  const scrollRef = useRef<HTMLDivElement>(null)
+  const [selectedMessage, setSelectedMessage] = useState<TDirectMessage | null>(null)
+  const [messageInfoOpen, setMessageInfoOpen] = useState(false)
+  const [settingsOpen, setSettingsOpen] = useState(false)
+  const [selectedRelays, setSelectedRelays] = useState<string[]>([])
+  const [showPulse, setShowPulse] = useState(false)
+  const [showJumpButton, setShowJumpButton] = useState(false)
+  const [newMessageCount, setNewMessageCount] = useState(0)
+  const lastMessageCountRef = useRef(0)
+  const isAtBottomRef = useRef(true)
+
+  const isFollowing = currentConversation ? followingSet.has(currentConversation) : false
+
+  // Handle pulsing animation for new conversations
+  useEffect(() => {
+    if (isNewConversation) {
+      setShowPulse(true)
+      const timer = setTimeout(() => {
+        setShowPulse(false)
+        clearNewConversationFlag()
+      }, 10000)
+      return () => clearTimeout(timer)
+    }
+  }, [isNewConversation, clearNewConversationFlag])
+
+  useEffect(() => {
+    if (!currentConversation) return
+
+    const fetchProfileData = async () => {
+      try {
+        const profileData = await client.fetchProfile(currentConversation)
+        if (profileData) {
+          setProfile(profileData)
+        }
+      } catch (error) {
+        console.error('Failed to fetch profile:', error)
+      }
+    }
+    fetchProfileData()
+  }, [currentConversation])
+
+  // Load saved relay settings when conversation changes
+  useEffect(() => {
+    if (!currentConversation || !pubkey) return
+
+    const loadRelaySettings = async () => {
+      const saved = await indexedDb.getConversationRelaySettings(pubkey, currentConversation)
+      setSelectedRelays(saved || [])
+    }
+    loadRelaySettings()
+  }, [currentConversation, pubkey])
+
+  // Save relay settings when they change
+  const handleRelaysChange = async (relays: string[]) => {
+    setSelectedRelays(relays)
+    if (pubkey && currentConversation) {
+      await indexedDb.putConversationRelaySettings(pubkey, currentConversation, relays)
+    }
+  }
+
+  // Handle scroll position tracking
+  const handleScroll = () => {
+    if (!scrollRef.current) return
+    const { scrollTop, scrollHeight, clientHeight } = scrollRef.current
+    const distanceFromBottom = scrollHeight - scrollTop - clientHeight
+    const atBottom = distanceFromBottom < 100 // 100px threshold
+
+    isAtBottomRef.current = atBottom
+    setShowJumpButton(!atBottom)
+
+    // Reset new message count when user scrolls to bottom
+    if (atBottom) {
+      setNewMessageCount(0)
+      lastMessageCountRef.current = messages.length
+    }
+  }
+
+  // Track new messages when scrolled up
+  useEffect(() => {
+    if (!isAtBottomRef.current && messages.length > lastMessageCountRef.current) {
+      setNewMessageCount(messages.length - lastMessageCountRef.current)
+    } else if (isAtBottomRef.current) {
+      lastMessageCountRef.current = messages.length
+    }
+  }, [messages.length])
+
+  // Scroll to bottom when messages change (only if already at bottom)
+  useEffect(() => {
+    if (scrollRef.current && isAtBottomRef.current) {
+      scrollRef.current.scrollTop = scrollRef.current.scrollHeight
+      lastMessageCountRef.current = messages.length
+    }
+  }, [messages])
+
+  // Scroll to bottom function
+  const scrollToBottom = () => {
+    if (scrollRef.current) {
+      scrollRef.current.scrollTo({
+        top: scrollRef.current.scrollHeight,
+        behavior: 'smooth'
+      })
+      setNewMessageCount(0)
+      lastMessageCountRef.current = messages.length
+      isAtBottomRef.current = true
+      setShowJumpButton(false)
+    }
+  }
+
+  // Reset scroll state when conversation changes
+  useEffect(() => {
+    isAtBottomRef.current = true
+    setShowJumpButton(false)
+    setNewMessageCount(0)
+    lastMessageCountRef.current = 0
+  }, [currentConversation])
+
+  if (!currentConversation || !pubkey) {
+    return null
+  }
+
+  const displayName = profile?.username || currentConversation.slice(0, 8) + '...'
+
+  return (
+    <div className="flex flex-col h-full">
+      {/* Header */}
+      <div className="flex items-center gap-3 p-3 border-b">
+        {isSelectionMode ? (
+          // Selection mode header
+          <>
+            <Button
+              variant="ghost"
+              size="icon"
+              onClick={clearSelection}
+              className="size-8"
+              title={t('Cancel')}
+            >
+              <X className="size-4" />
+            </Button>
+            <div className="flex items-center gap-2">
+              <Trash2 className="size-4 text-destructive" />
+              <span className="font-medium text-sm">{t('Delete')}</span>
+            </div>
+            <div className="flex-1" />
+            <Button
+              variant="outline"
+              size="sm"
+              onClick={deleteSelectedMessages}
+              disabled={selectedMessages.size === 0}
+              className="text-xs"
+            >
+              {t('Selected')} ({selectedMessages.size})
+            </Button>
+            <Button
+              variant="destructive"
+              size="sm"
+              onClick={deleteAllInConversation}
+              className="text-xs"
+            >
+              {t('All')}
+            </Button>
+          </>
+        ) : (
+          // Normal header
+          <>
+            {onBack && (
+              <Button variant="ghost" size="icon" onClick={onBack} className="size-8">
+                <ArrowLeft className="size-4" />
+              </Button>
+            )}
+            <UserAvatar userId={currentConversation} className="size-8" />
+            <div className="flex-1 min-w-0">
+              <div className="flex items-center gap-1.5">
+                <span className="font-medium text-sm truncate">{displayName}</span>
+                {isFollowing && (
+                  <span title="Following">
+                    <Users className="size-3 text-primary" />
+                  </span>
+                )}
+              </div>
+              {profile?.nip05 && (
+                <span className="text-xs text-muted-foreground truncate">{profile.nip05}</span>
+              )}
+            </div>
+            <Button
+              variant="ghost"
+              size="icon"
+              className="size-8"
+              title={t('Reload messages')}
+              onClick={reloadConversation}
+              disabled={isLoadingConversation}
+            >
+              <RefreshCw className={cn('size-4', isLoadingConversation && 'animate-spin')} />
+            </Button>
+            <Button
+              variant="ghost"
+              size="icon"
+              className={cn('size-8', showPulse && 'animate-pulse ring-2 ring-primary ring-offset-2')}
+              title={t('Conversation settings')}
+              onClick={() => {
+                setShowPulse(false)
+                clearNewConversationFlag()
+                setSettingsOpen(true)
+              }}
+            >
+              <Settings className="size-4" />
+            </Button>
+            <DropdownMenu>
+              <DropdownMenuTrigger asChild>
+                <Button variant="ghost" size="icon" className="size-8">
+                  <MoreVertical className="size-4" />
+                </Button>
+              </DropdownMenuTrigger>
+              <DropdownMenuContent align="end">
+                <DropdownMenuItem onClick={deleteAllInConversation} className="text-destructive focus:text-destructive">
+                  <Trash2 className="size-4 mr-2" />
+                  {t('Delete All')}
+                </DropdownMenuItem>
+                <DropdownMenuItem onClick={undeleteAllInConversation}>
+                  <Undo2 className="size-4 mr-2" />
+                  {t('Undelete All')}
+                </DropdownMenuItem>
+              </DropdownMenuContent>
+            </DropdownMenu>
+          </>
+        )}
+      </div>
+
+      {/* Messages */}
+      <div className="flex-1 relative overflow-hidden">
+        <ScrollArea ref={scrollRef} className="h-full p-3" onScrollCapture={handleScroll}>
+        {isLoadingConversation && messages.length === 0 ? (
+          <div className="flex items-center justify-center h-full">
+            <Loader2 className="size-6 animate-spin text-muted-foreground" />
+          </div>
+        ) : messages.length === 0 ? (
+          <div className="flex items-center justify-center h-full text-muted-foreground">
+            <p className="text-sm">{t('No messages yet. Send one to start the conversation!')}</p>
+          </div>
+        ) : (
+          <div className="space-y-3">
+            {isLoadingConversation && (
+              <div className="flex justify-center py-2">
+                <Loader2 className="size-4 animate-spin text-muted-foreground" />
+              </div>
+            )}
+            {messages.map((message) => {
+              const isOwn = message.senderPubkey === pubkey
+              const isSelected = selectedMessages.has(message.id)
+              return (
+                <div
+                  key={message.id}
+                  className={cn(
+                    'flex items-start gap-2 group',
+                    isOwn ? 'flex-row-reverse' : 'flex-row'
+                  )}
+                >
+                  {/* Checkbox - shows on hover or when in selection mode */}
+                  <div
+                    className={cn(
+                      'flex-shrink-0 transition-opacity',
+                      isSelectionMode || isSelected
+                        ? 'opacity-100'
+                        : 'opacity-0 group-hover:opacity-100'
+                    )}
+                  >
+                    <Checkbox
+                      checked={isSelected}
+                      onCheckedChange={() => toggleMessageSelection(message.id)}
+                      className="mt-2"
+                    />
+                  </div>
+                  <div
+                    className={cn(
+                      'max-w-[80%] rounded-lg px-3 py-2',
+                      isOwn
+                        ? 'bg-primary text-primary-foreground'
+                        : 'bg-muted',
+                      isSelected && 'ring-2 ring-primary ring-offset-2'
+                    )}
+                  >
+                    <p className="text-sm whitespace-pre-wrap break-words">{message.content}</p>
+                    <div
+                      className={cn(
+                        'flex items-center justify-between gap-2 mt-1 text-xs',
+                        isOwn ? 'text-primary-foreground/70' : 'text-muted-foreground'
+                      )}
+                    >
+                      <span>{formatTimestamp(message.createdAt)}</span>
+                      <button
+                        onClick={() => {
+                          setSelectedMessage(message)
+                          setMessageInfoOpen(true)
+                        }}
+                        className={cn(
+                          'font-mono opacity-60 hover:opacity-100 transition-opacity',
+                          isOwn ? 'hover:text-primary-foreground' : 'hover:text-foreground'
+                        )}
+                        title={t('Message info')}
+                      >
+                        {message.encryptionType === 'nip17' ? '44' : '4'}
+                      </button>
+                    </div>
+                  </div>
+                </div>
+              )
+            })}
+          </div>
+        )}
+        </ScrollArea>
+
+        {/* Jump to newest button */}
+        {showJumpButton && (
+          <Button
+            onClick={scrollToBottom}
+            className="absolute bottom-4 right-4 rounded-full shadow-lg size-10 p-0"
+            size="icon"
+          >
+            <ChevronDown className="size-5" />
+            {newMessageCount > 0 && (
+              <span className="absolute -top-1 -right-1 bg-destructive text-destructive-foreground rounded-full min-w-5 h-5 flex items-center justify-center text-xs font-medium px-1">
+                {newMessageCount > 99 ? '99+' : newMessageCount}
+              </span>
+            )}
+          </Button>
+        )}
+      </div>
+
+      {/* Composer */}
+      <div className="border-t">
+        <MessageComposer />
+      </div>
+
+      {/* Message Info Modal */}
+      <MessageInfoModal
+        message={selectedMessage}
+        open={messageInfoOpen}
+        onOpenChange={setMessageInfoOpen}
+      />
+
+      {/* Conversation Settings Modal */}
+      <ConversationSettingsModal
+        partnerPubkey={currentConversation}
+        open={settingsOpen}
+        onOpenChange={setSettingsOpen}
+        selectedRelays={selectedRelays}
+        onSelectedRelaysChange={handleRelaysChange}
+      />
+    </div>
+  )
+}
diff --git a/src/components/Note/index.tsx b/src/components/Note/index.tsx
index 08a2e42f..3da4232d 100644
--- a/src/components/Note/index.tsx
+++ b/src/components/Note/index.tsx
@@ -1,9 +1,11 @@
-import { useSecondaryPage } from '@/PageManager'
+import { usePrimaryPage, useSecondaryPage } from '@/PageManager'
 import { ExtendedKind, NSFW_DISPLAY_POLICY, SUPPORTED_KINDS } from '@/constants'
 import { getParentStuff, isNsfwEvent } from '@/lib/event'
 import { toExternalContent, toNote } from '@/lib/link'
 import { useContentPolicy } from '@/providers/ContentPolicyProvider'
+import { useDM } from '@/providers/DMProvider'
 import { useMuteList } from '@/providers/MuteListProvider'
+import { useNostr } from '@/providers/NostrProvider'
 import { useScreenSize } from '@/providers/ScreenSizeProvider'
 import { Event, kinds } from 'nostr-tools'
 import { useMemo, useState } from 'react'
@@ -18,6 +20,7 @@ import ParentNotePreview from '../ParentNotePreview'
 import TrustScoreBadge from '../TrustScoreBadge'
 import UserAvatar from '../UserAvatar'
 import Username from '../Username'
+import { Mail } from 'lucide-react'
 import CommunityDefinition from './CommunityDefinition'
 import EmojiPack from './EmojiPack'
 import FollowPack from './FollowPack'
@@ -50,7 +53,10 @@ export default function Note({
   showFull?: boolean
 }) {
   const { push } = useSecondaryPage()
+  const { navigate } = usePrimaryPage()
   const { isSmallScreen } = useScreenSize()
+  const { pubkey } = useNostr()
+  const { startConversation } = useDM()
   const { parentEventId, parentExternalContent } = useMemo(() => {
     return getParentStuff(event)
   }, [event])
@@ -58,6 +64,12 @@ export default function Note({
   const [showNsfw, setShowNsfw] = useState(false)
   const { mutePubkeySet } = useMuteList()
   const [showMuted, setShowMuted] = useState(false)
+
+  const handleStartConversation = (e: React.MouseEvent) => {
+    e.stopPropagation()
+    startConversation(event.pubkey)
+    navigate('inbox')
+  }
   const isNsfw = useMemo(
     () => (nsfwDisplayPolicy === NSFW_DISPLAY_POLICY.SHOW ? false : isNsfwEvent(event)),
     [event, nsfwDisplayPolicy]
@@ -134,6 +146,15 @@ export default function Note({
               <FollowingBadge pubkey={event.pubkey} />
               <TrustScoreBadge pubkey={event.pubkey} />
               <ClientTag event={event} />
+              {pubkey && pubkey !== event.pubkey && (
+                <button
+                  onClick={handleStartConversation}
+                  className="p-1 rounded hover:bg-accent text-muted-foreground hover:text-foreground transition-colors"
+                  title="Start conversation"
+                >
+                  <Mail className="size-3.5" />
+                </button>
+              )}
             </div>
             <div className="flex items-center gap-1 text-sm text-muted-foreground">
               <Nip05 pubkey={event.pubkey} append="·" />
diff --git a/src/components/Settings/index.tsx b/src/components/Settings/index.tsx
index 558b7841..f37b62a3 100644
--- a/src/components/Settings/index.tsx
+++ b/src/components/Settings/index.tsx
@@ -64,6 +64,7 @@ import {
   KeyRound,
   LayoutList,
   List,
+  MessageSquare,
   Monitor,
   Moon,
   Palette,
@@ -155,6 +156,9 @@ export default function Settings() {
   // System settings
   const [filterOutOnionRelays, setFilterOutOnionRelays] = useState(storage.getFilterOutOnionRelays())
 
+  // Messaging settings
+  const [preferNip44, setPreferNip44] = useState(storage.getPreferNip44())
+
   const handleLanguageChange = (value: TLanguage) => {
     i18n.changeLanguage(value)
     setLanguage(value)
@@ -528,6 +532,37 @@ export default function Settings() {
           </AccordionItem>
         )}
 
+        {/* Messaging */}
+        {!!pubkey && (
+          <AccordionItem value="messaging">
+            <AccordionTrigger className="px-4 hover:no-underline">
+              <div className="flex items-center gap-4">
+                <MessageSquare className="size-4" />
+                <span>{t('Messaging')}</span>
+              </div>
+            </AccordionTrigger>
+            <AccordionContent className="px-4 space-y-4">
+              <SettingItem>
+                <Label htmlFor="prefer-nip44" className="text-base font-normal">
+                  <div>{t('Prefer NIP-44 encryption')}</div>
+                  <div className="text-muted-foreground text-sm">
+                    {t('Use modern encryption for new conversations')}
+                  </div>
+                </Label>
+                <Switch
+                  id="prefer-nip44"
+                  checked={preferNip44}
+                  onCheckedChange={(checked) => {
+                    storage.setPreferNip44(checked)
+                    setPreferNip44(checked)
+                    dispatchSettingsChanged()
+                  }}
+                />
+              </SettingItem>
+            </AccordionContent>
+          </AccordionItem>
+        )}
+
         {/* System */}
         <AccordionItem value="system">
           <AccordionTrigger className="px-4 hover:no-underline">
diff --git a/src/components/Sidebar/AccountButton.tsx b/src/components/Sidebar/AccountButton.tsx
index d1e2de64..f8adc9c2 100644
--- a/src/components/Sidebar/AccountButton.tsx
+++ b/src/components/Sidebar/AccountButton.tsx
@@ -12,7 +12,7 @@ import { cn } from '@/lib/utils'
 import { useSecondaryPage, useSidebarDrawer } from '@/PageManager'
 import { useNostr } from '@/providers/NostrProvider'
 import { useScreenSize } from '@/providers/ScreenSizeProvider'
-import { LogIn, LogOut, Plus, Wallet } from 'lucide-react'
+import { LogIn, LogOut, Plus, RefreshCw, Wallet } from 'lucide-react'
 import { useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import LoginDialog from '../LoginDialog'
@@ -139,6 +139,13 @@ function ProfileButton({ collapse }: { collapse: boolean }) {
             className="text-muted-foreground border border-muted-foreground px-1 rounded-md text-xs truncate"
           />
         </DropdownMenuItem>
+        <DropdownMenuSeparator />
+        <DropdownMenuItem
+          onClick={() => window.location.reload()}
+        >
+          <RefreshCw />
+          {t('Force Reload')}
+        </DropdownMenuItem>
       </DropdownMenuContent>
     </DropdownMenu>
     <LoginDialog open={loginDialogOpen} setOpen={setLoginDialogOpen} />
diff --git a/src/components/Sidebar/InboxButton.tsx b/src/components/Sidebar/InboxButton.tsx
new file mode 100644
index 00000000..a6127422
--- /dev/null
+++ b/src/components/Sidebar/InboxButton.tsx
@@ -0,0 +1,25 @@
+import { usePrimaryPage } from '@/PageManager'
+import { useDM } from '@/providers/DMProvider'
+import { MessageSquare } from 'lucide-react'
+import SidebarItem from './SidebarItem'
+
+export default function InboxButton({ collapse }: { collapse: boolean }) {
+  const { navigate, current, display } = usePrimaryPage()
+  const { hasNewMessages } = useDM()
+
+  return (
+    <SidebarItem
+      title="Inbox"
+      onClick={() => navigate('inbox')}
+      active={display && current === 'inbox'}
+      collapse={collapse}
+    >
+      <div className="relative">
+        <MessageSquare />
+        {hasNewMessages && (
+          <div className="absolute -top-1 right-0 w-2 h-2 ring-2 ring-background bg-primary rounded-full" />
+        )}
+      </div>
+    </SidebarItem>
+  )
+}
diff --git a/src/components/Sidebar/index.tsx b/src/components/Sidebar/index.tsx
index 24664bc7..4e3285b4 100644
--- a/src/components/Sidebar/index.tsx
+++ b/src/components/Sidebar/index.tsx
@@ -10,6 +10,7 @@ import { ChevronsLeft, ChevronsRight } from 'lucide-react'
 import AccountButton from './AccountButton'
 import BookmarkButton from './BookmarkButton'
 import HomeButton from './HomeButton'
+import InboxButton from './InboxButton'
 import LayoutSwitcher from './LayoutSwitcher'
 import NotificationsButton from './NotificationButton'
 import PostButton from './PostButton'
@@ -57,6 +58,7 @@ export default function PrimaryPageSidebar() {
         <HomeButton collapse={isCollapsed} />
         <NotificationsButton collapse={isCollapsed} />
         <SearchButton collapse={isCollapsed} />
+        {pubkey && <InboxButton collapse={isCollapsed} />}
         <ProfileButton collapse={isCollapsed} />
         {pubkey && <BookmarkButton collapse={isCollapsed} />}
         <SettingsButton collapse={isCollapsed} />
diff --git a/src/components/SidebarDrawer/index.tsx b/src/components/SidebarDrawer/index.tsx
index 3c82d0ff..4e89ee0e 100644
--- a/src/components/SidebarDrawer/index.tsx
+++ b/src/components/SidebarDrawer/index.tsx
@@ -7,6 +7,7 @@ import { VisuallyHidden } from '@radix-ui/react-visually-hidden'
 import AccountButton from '../Sidebar/AccountButton'
 import BookmarkButton from '../Sidebar/BookmarkButton'
 import HomeButton from '../Sidebar/HomeButton'
+import InboxButton from '../Sidebar/InboxButton'
 import LogoutButton from '../Sidebar/LogoutButton'
 import NotificationsButton from '../Sidebar/NotificationButton'
 import ProfileButton from '../Sidebar/ProfileButton'
@@ -52,6 +53,11 @@ export default function SidebarDrawer({ open, onOpenChange }: SidebarDrawerProps
             <div onClick={handleItemClick}>
               <NotificationsButton collapse={false} />
             </div>
+            {pubkey && (
+              <div onClick={handleItemClick}>
+                <InboxButton collapse={false} />
+              </div>
+            )}
             <div onClick={handleItemClick}>
               <ProfileButton collapse={false} />
             </div>
diff --git a/src/constants.ts b/src/constants.ts
index 425fea93..9eade168 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -43,6 +43,10 @@ export const StorageKey = {
   QUICK_REACTION: 'quickReaction',
   QUICK_REACTION_EMOJI: 'quickReactionEmoji',
   NSFW_DISPLAY_POLICY: 'nsfwDisplayPolicy',
+  PREFER_NIP44: 'preferNip44',
+  DM_CONVERSATION_FILTER: 'dmConversationFilter',
+  DM_ENCRYPTION_PREFERENCES: 'dmEncryptionPreferences',
+  DM_LAST_SEEN_TIMESTAMP: 'dmLastSeenTimestamp',
   DEFAULT_SHOW_NSFW: 'defaultShowNsfw', // deprecated
   PINNED_PUBKEYS: 'pinnedPubkeys', // deprecated
   MEDIA_UPLOAD_SERVICE: 'mediaUploadService', // deprecated
@@ -58,7 +62,8 @@ export const StorageKey = {
 
 export const ApplicationDataKey = {
   NOTIFICATIONS_SEEN_AT: 'seen_notifications_at',
-  SETTINGS: 'smesh_settings'
+  SETTINGS: 'smesh_settings',
+  DM_DELETED_MESSAGES: 'dm_deleted_messages'
 }
 
 export const BIG_RELAY_URLS = [
@@ -69,6 +74,8 @@ export const BIG_RELAY_URLS = [
   'wss://relay.orly.dev/'
 ]
 
+export const ARCHIVE_RELAY_URL = 'wss://archive.orly.dev/'
+
 export const SEARCHABLE_RELAY_URLS = [
   'wss://search.nos.today/',
   'wss://relay.ditto.pub/',
@@ -80,6 +87,8 @@ export const SEARCHABLE_RELAY_URLS = [
 export const GROUP_METADATA_EVENT_KIND = 39000
 
 export const ExtendedKind = {
+  SEAL: 13,
+  PRIVATE_DM: 14,
   EXTERNAL_CONTENT_REACTION: 17,
   PICTURE: 20,
   VIDEO: 21,
@@ -88,6 +97,7 @@ export const ExtendedKind = {
   POLL_RESPONSE: 1018,
   COMMENT: 1111,
   VOICE: 1222,
+  GIFT_WRAP: 1059,
   VOICE_COMMENT: 1244,
   PINNED_USERS: 10010,
   FAVORITE_RELAYS: 10012,
diff --git a/src/lib/draft-event.ts b/src/lib/draft-event.ts
index 3e046078..ed94f494 100644
--- a/src/lib/draft-event.ts
+++ b/src/lib/draft-event.ts
@@ -3,6 +3,7 @@ import client from '@/services/client.service'
 import customEmojiService from '@/services/custom-emoji.service'
 import mediaUpload from '@/services/media-upload.service'
 import {
+  TDMDeletedState,
   TDraftEvent,
   TEmoji,
   TMailboxRelay,
@@ -453,6 +454,15 @@ export function createSettingsDraftEvent(settings: TSyncSettings): TDraftEvent {
   }
 }
 
+export function createDeletedMessagesDraftEvent(deletedState: TDMDeletedState): TDraftEvent {
+  return {
+    kind: kinds.Application,
+    content: JSON.stringify(deletedState),
+    tags: [buildDTag(ApplicationDataKey.DM_DELETED_MESSAGES)],
+    created_at: dayjs().unix()
+  }
+}
+
 export function createBookmarkDraftEvent(tags: string[][], content = ''): TDraftEvent {
   return {
     kind: kinds.BookmarkList,
diff --git a/src/lib/timestamp.ts b/src/lib/timestamp.ts
new file mode 100644
index 00000000..cf9ca2ef
--- /dev/null
+++ b/src/lib/timestamp.ts
@@ -0,0 +1,29 @@
+import dayjs from 'dayjs'
+import relativeTime from 'dayjs/plugin/relativeTime'
+
+dayjs.extend(relativeTime)
+
+/**
+ * Format a unix timestamp (seconds) to a relative time string.
+ * e.g., "5 minutes ago", "2 hours ago", "3 days ago"
+ */
+export function formatTimestamp(timestamp: number): string {
+  return dayjs.unix(timestamp).fromNow()
+}
+
+/**
+ * Format a unix timestamp to a short time string.
+ * Shows time for today, date for older messages.
+ */
+export function formatMessageTime(timestamp: number): string {
+  const date = dayjs.unix(timestamp)
+  const now = dayjs()
+
+  if (date.isSame(now, 'day')) {
+    return date.format('HH:mm')
+  } else if (date.isSame(now, 'year')) {
+    return date.format('MMM D')
+  } else {
+    return date.format('MMM D, YYYY')
+  }
+}
diff --git a/src/pages/primary/InboxPage/index.tsx b/src/pages/primary/InboxPage/index.tsx
new file mode 100644
index 00000000..fcb9cb17
--- /dev/null
+++ b/src/pages/primary/InboxPage/index.tsx
@@ -0,0 +1,64 @@
+import InboxContent from '@/components/Inbox/InboxContent'
+import PrimaryPageLayout from '@/layouts/PrimaryPageLayout'
+import { useDM } from '@/providers/DMProvider'
+import { useNostr } from '@/providers/NostrProvider'
+import { TPageRef } from '@/types'
+import { MessageSquare, LogIn } from 'lucide-react'
+import { forwardRef, useEffect, useImperativeHandle, useRef } from 'react'
+import { useTranslation } from 'react-i18next'
+import { usePrimaryPage } from '@/PageManager'
+import { Button } from '@/components/ui/button'
+
+const InboxPage = forwardRef<TPageRef>((_, ref) => {
+  const { t } = useTranslation()
+  const layoutRef = useRef<TPageRef>(null)
+  const { pubkey } = useNostr()
+  const { navigate } = usePrimaryPage()
+  const { markInboxAsSeen } = useDM()
+
+  useImperativeHandle(ref, () => layoutRef.current as TPageRef)
+
+  // Mark inbox as seen when page is viewed
+  useEffect(() => {
+    if (pubkey) {
+      markInboxAsSeen()
+    }
+  }, [pubkey, markInboxAsSeen])
+
+  return (
+    <PrimaryPageLayout
+      pageName="inbox"
+      ref={layoutRef}
+      titlebar={<InboxTitlebar />}
+      displayScrollToTopButton
+    >
+      {pubkey ? (
+        <InboxContent />
+      ) : (
+        <div className="flex flex-col items-center justify-center h-64 gap-4 text-muted-foreground">
+          <MessageSquare className="size-12" />
+          <div className="text-center">
+            <p className="font-medium">{t('Sign in to view your messages')}</p>
+            <p className="text-sm">{t('Your encrypted conversations will appear here')}</p>
+          </div>
+          <Button onClick={() => navigate('settings')} className="gap-2">
+            <LogIn className="size-4" />
+            {t('Sign In')}
+          </Button>
+        </div>
+      )}
+    </PrimaryPageLayout>
+  )
+})
+InboxPage.displayName = 'InboxPage'
+export default InboxPage
+
+function InboxTitlebar() {
+  const { t } = useTranslation()
+  return (
+    <div className="flex gap-2 items-center h-full pl-3">
+      <MessageSquare className="size-5" />
+      <div className="text-lg font-semibold">{t('Inbox')}</div>
+    </div>
+  )
+}
diff --git a/src/providers/DMProvider.tsx b/src/providers/DMProvider.tsx
new file mode 100644
index 00000000..947cef0b
--- /dev/null
+++ b/src/providers/DMProvider.tsx
@@ -0,0 +1,779 @@
+import { ApplicationDataKey, BIG_RELAY_URLS } from '@/constants'
+import { createDeletedMessagesDraftEvent } from '@/lib/draft-event'
+import dmService, { IDMEncryption, isConversationDeleted, isMessageDeleted } from '@/services/dm.service'
+import indexedDb from '@/services/indexed-db.service'
+import storage, { dispatchSettingsChanged } from '@/services/local-storage.service'
+import client from '@/services/client.service'
+import { TConversation, TDirectMessage, TDMDeletedState, TDMEncryptionType } from '@/types'
+import { Event, kinds } from 'nostr-tools'
+import { createContext, useCallback, useContext, useEffect, useMemo, useRef, useState } from 'react'
+import { useNostr } from './NostrProvider'
+
+type TDMContext = {
+  conversations: TConversation[]
+  currentConversation: string | null
+  messages: TDirectMessage[]
+  isLoading: boolean
+  isLoadingConversation: boolean
+  error: string | null
+  selectConversation: (partnerPubkey: string | null) => void
+  startConversation: (partnerPubkey: string) => void
+  sendMessage: (content: string) => Promise<void>
+  refreshConversations: () => Promise<void>
+  reloadConversation: () => void
+  loadMoreConversations: () => Promise<void>
+  hasMoreConversations: boolean
+  preferNip44: boolean
+  setPreferNip44: (prefer: boolean) => void
+  isNewConversation: boolean
+  clearNewConversationFlag: () => void
+  // Unread tracking
+  totalUnreadCount: number
+  hasNewMessages: boolean
+  markInboxAsSeen: () => void
+  // Selection mode
+  selectedMessages: Set<string>
+  isSelectionMode: boolean
+  toggleMessageSelection: (messageId: string) => void
+  selectAllMessages: () => void
+  clearSelection: () => void
+  // Deletion
+  deleteSelectedMessages: () => Promise<void>
+  deleteAllInConversation: () => Promise<void>
+  undeleteAllInConversation: () => Promise<void>
+}
+
+const DMContext = createContext<TDMContext | undefined>(undefined)
+
+export const useDM = () => {
+  const context = useContext(DMContext)
+  if (!context) {
+    throw new Error('useDM must be used within a DMProvider')
+  }
+  return context
+}
+
+export function DMProvider({ children }: { children: React.ReactNode }) {
+  const {
+    pubkey,
+    relayList,
+    nip04Encrypt,
+    nip04Decrypt,
+    nip44Encrypt,
+    nip44Decrypt,
+    hasNip44Support,
+    signEvent
+  } = useNostr()
+
+  const [conversations, setConversations] = useState<TConversation[]>([])
+  const [allConversations, setAllConversations] = useState<TConversation[]>([])
+  const [currentConversation, setCurrentConversation] = useState<string | null>(null)
+  const [messages, setMessages] = useState<TDirectMessage[]>([])
+  const [conversationMessages, setConversationMessages] = useState<Map<string, TDirectMessage[]>>(
+    new Map()
+  )
+  const [loadedConversations, setLoadedConversations] = useState<Set<string>>(new Set())
+  const [isLoading, setIsLoading] = useState(false)
+  const [isLoadingConversation, setIsLoadingConversation] = useState(false)
+  const [error, setError] = useState<string | null>(null)
+  const [preferNip44, setPreferNip44State] = useState(() => storage.getPreferNip44())
+  const [hasMoreConversations, setHasMoreConversations] = useState(false)
+  const [isNewConversation, setIsNewConversation] = useState(false)
+  const [deletedState, setDeletedState] = useState<TDMDeletedState | null>(null)
+  const [selectedMessages, setSelectedMessages] = useState<Set<string>>(new Set())
+  const [isSelectionMode, setIsSelectionMode] = useState(false)
+  const [lastSeenTimestamp, setLastSeenTimestamp] = useState<number>(() =>
+    pubkey ? storage.getDMLastSeenTimestamp(pubkey) : 0
+  )
+  const CONVERSATIONS_PER_PAGE = 100
+
+  // Track which conversation load is in progress to prevent race conditions
+  const loadingConversationRef = useRef<string | null>(null)
+
+  // Create encryption wrapper object for dm.service
+  const encryption: IDMEncryption | null = useMemo(() => {
+    if (!pubkey) return null
+    return {
+      nip04Encrypt,
+      nip04Decrypt,
+      nip44Encrypt: hasNip44Support ? nip44Encrypt : undefined,
+      nip44Decrypt: hasNip44Support ? nip44Decrypt : undefined,
+      signEvent,
+      getPublicKey: () => pubkey
+    }
+  }, [pubkey, nip04Encrypt, nip04Decrypt, nip44Encrypt, nip44Decrypt, hasNip44Support, signEvent])
+
+  // Load deleted state and conversations when user is logged in
+  useEffect(() => {
+    if (pubkey && encryption) {
+      // Load deleted state FIRST before anything else
+      const loadDeletedStateAndConversations = async () => {
+        // Step 1: Load deleted state from IndexedDB
+        let currentDeletedState: TDMDeletedState = { deletedIds: [], deletedRanges: {} }
+        const cached = await indexedDb.getDeletedMessagesState(pubkey)
+        if (cached) {
+          currentDeletedState = cached
+          setDeletedState(cached)
+        } else {
+          setDeletedState(currentDeletedState)
+        }
+
+        // Step 2: Fetch from relays (kind 30078 Application Specific Data) - this takes priority
+        try {
+          const relayUrls = relayList?.read || BIG_RELAY_URLS
+          const events = await client.fetchEvents(relayUrls, {
+            kinds: [kinds.Application],
+            authors: [pubkey],
+            '#d': [ApplicationDataKey.DM_DELETED_MESSAGES],
+            limit: 1
+          })
+          if (events.length > 0) {
+            const event = events[0]
+            try {
+              const parsedState = JSON.parse(event.content) as TDMDeletedState
+              currentDeletedState = parsedState
+              setDeletedState(parsedState)
+              await indexedDb.putDeletedMessagesState(pubkey, parsedState)
+            } catch {
+              // Invalid JSON, ignore
+            }
+          }
+        } catch {
+          // Relay fetch failed, use cached
+        }
+
+        // Step 3: Load cached conversations (filtered by deleted state)
+        const cachedConvs = await indexedDb.getDMConversations(pubkey)
+        if (cachedConvs.length > 0) {
+          const conversations: TConversation[] = cachedConvs
+            .filter((c) => c.partnerPubkey && typeof c.partnerPubkey === 'string')
+            .filter((c) => !isConversationDeleted(c.partnerPubkey, c.lastMessageAt, currentDeletedState))
+            .map((c) => ({
+              partnerPubkey: c.partnerPubkey,
+              lastMessageAt: c.lastMessageAt,
+              lastMessagePreview: c.lastMessagePreview || '',
+              unreadCount: 0,
+              preferredEncryption: c.encryptionType
+            }))
+          setAllConversations(conversations)
+          setConversations(conversations.slice(0, CONVERSATIONS_PER_PAGE))
+          setHasMoreConversations(conversations.length > CONVERSATIONS_PER_PAGE)
+        }
+
+        // Step 4: Refresh from network
+        refreshConversations()
+      }
+
+      loadDeletedStateAndConversations()
+    } else {
+      setConversations([])
+      setAllConversations([])
+      setMessages([])
+      setConversationMessages(new Map())
+      setLoadedConversations(new Set())
+      setCurrentConversation(null)
+      setDeletedState(null)
+      setSelectedMessages(new Set())
+      setIsSelectionMode(false)
+    }
+  }, [pubkey, encryption])
+
+  // Load full conversation when selected
+  useEffect(() => {
+    if (!currentConversation || !pubkey || !encryption) {
+      setMessages([])
+      loadingConversationRef.current = null
+      return
+    }
+
+    // Capture the conversation we're loading to detect stale updates
+    const targetConversation = currentConversation
+    loadingConversationRef.current = targetConversation
+
+    // Check if we already have messages in memory for this conversation
+    const existing = conversationMessages.get(targetConversation)
+    if (existing) {
+      setMessages(existing)
+      // If already fully loaded, don't fetch again
+      if (loadedConversations.has(targetConversation)) {
+        return
+      }
+    }
+
+    // Load full conversation history
+    const loadConversation = async () => {
+      setIsLoadingConversation(true)
+      try {
+        // First, try to load from IndexedDB cache for instant display
+        const cached = await indexedDb.getConversationMessages(pubkey, targetConversation)
+        if (cached && cached.length > 0 && loadingConversationRef.current === targetConversation) {
+          const cachedMessages: TDirectMessage[] = cached
+            .filter(
+              (m) => !isMessageDeleted(m.id, targetConversation, m.createdAt, deletedState)
+            )
+            .map((m) => ({
+              id: m.id,
+              senderPubkey: m.senderPubkey,
+              recipientPubkey: m.recipientPubkey,
+              content: m.content,
+              createdAt: m.createdAt,
+              encryptionType: m.encryptionType,
+              event: {} as Event,
+              decryptedContent: m.content,
+              seenOnRelays: m.seenOnRelays
+            }))
+          setMessages(cachedMessages)
+          setConversationMessages((prev) => new Map(prev).set(targetConversation, cachedMessages))
+        }
+
+        // Then fetch fresh from relays
+        const relayUrls = relayList?.read || []
+        const events = await dmService.fetchConversationEvents(pubkey, targetConversation, relayUrls)
+
+        // Check if user switched to a different conversation while we were loading
+        if (loadingConversationRef.current !== targetConversation) {
+          return // Abort - user switched conversations
+        }
+
+        // Decrypt all messages in parallel for speed
+        const decryptedResults = await Promise.all(
+          events.map((event) => dmService.decryptMessage(event, encryption, pubkey))
+        )
+
+        // Filter to only messages in this conversation (excluding deleted)
+        const decrypted = decryptedResults.filter((message): message is TDirectMessage => {
+          if (!message) return false
+          const partner =
+            message.senderPubkey === pubkey ? message.recipientPubkey : message.senderPubkey
+          if (partner !== targetConversation) return false
+          // Filter out deleted messages
+          return !isMessageDeleted(message.id, targetConversation, message.createdAt, deletedState)
+        })
+
+        // Check again after decryption (which can take time)
+        if (loadingConversationRef.current !== targetConversation) {
+          return // Abort - user switched conversations
+        }
+
+        // Sort by time
+        const sorted = decrypted.sort((a, b) => a.createdAt - b.createdAt)
+
+        // Update state only if still on same conversation
+        setConversationMessages((prev) => new Map(prev).set(targetConversation, sorted))
+        setLoadedConversations((prev) => new Set(prev).add(targetConversation))
+        setMessages(sorted)
+
+        // Cache messages to IndexedDB (without the full event object)
+        const toCache = sorted.map((m) => ({
+          id: m.id,
+          senderPubkey: m.senderPubkey,
+          recipientPubkey: m.recipientPubkey,
+          content: m.decryptedContent || m.content,
+          createdAt: m.createdAt,
+          encryptionType: m.encryptionType,
+          seenOnRelays: m.seenOnRelays
+        }))
+        await indexedDb.putConversationMessages(pubkey, targetConversation, toCache)
+      } catch {
+        // Failed to load conversation
+      } finally {
+        // Only clear loading state if this is still the active load
+        if (loadingConversationRef.current === targetConversation) {
+          setIsLoadingConversation(false)
+        }
+      }
+    }
+
+    loadConversation()
+  }, [currentConversation, pubkey, encryption, relayList, deletedState])
+
+  const refreshConversations = useCallback(async () => {
+    if (!pubkey || !encryption) return
+
+    setIsLoading(true)
+    setError(null)
+
+    // Clear all local state
+    setConversations([])
+    setAllConversations([])
+    setConversationMessages(new Map())
+    setLoadedConversations(new Set())
+
+    try {
+      // Clear all DM caches for a fresh start
+      await indexedDb.clearAllDMCaches()
+
+      // Get relay URLs
+      const relayUrls = relayList?.read || []
+
+      // Fetch recent DM events (raw, not decrypted)
+      const events = await dmService.fetchRecentDMEvents(pubkey, relayUrls)
+
+      // Separate NIP-04 events and gift wraps
+      const nip04Events = events.filter((e) => e.kind === 4)
+      const giftWraps = events.filter((e) => e.kind === 1059)
+
+      // Build conversation list from NIP-04 events immediately (no decryption needed)
+      const conversationMap = dmService.groupEventsIntoConversations(nip04Events, pubkey)
+
+      // Show NIP-04 conversations immediately (filtered by deleted state)
+      const updateAndShowConversations = () => {
+        const validConversations = Array.from(conversationMap.values())
+          .filter((conv) => conv.partnerPubkey && typeof conv.partnerPubkey === 'string')
+          .filter((conv) => !isConversationDeleted(conv.partnerPubkey, conv.lastMessageAt, deletedState))
+        const sortedConversations = validConversations.sort(
+          (a, b) => b.lastMessageAt - a.lastMessageAt
+        )
+        setAllConversations(sortedConversations)
+        setConversations(sortedConversations.slice(0, CONVERSATIONS_PER_PAGE))
+        setHasMoreConversations(sortedConversations.length > CONVERSATIONS_PER_PAGE)
+      }
+
+      updateAndShowConversations()
+      setIsLoading(false) // Stop spinner, but continue processing in background
+
+      // Sort gift wraps by created_at descending (newest first)
+      const sortedGiftWraps = giftWraps.sort((a, b) => b.created_at - a.created_at)
+
+      // Process gift wraps one by one in the background (progressive loading)
+      for (const giftWrap of sortedGiftWraps) {
+        try {
+          const message = await dmService.decryptMessage(giftWrap, encryption, pubkey)
+          if (message && message.senderPubkey && message.recipientPubkey) {
+            const partnerPubkey =
+              message.senderPubkey === pubkey ? message.recipientPubkey : message.senderPubkey
+
+            if (!partnerPubkey || partnerPubkey === '__reaction__') continue
+
+            const existing = conversationMap.get(partnerPubkey)
+            if (!existing || message.createdAt > existing.lastMessageAt) {
+              conversationMap.set(partnerPubkey, {
+                partnerPubkey,
+                lastMessageAt: message.createdAt,
+                lastMessagePreview: message.content.substring(0, 100),
+                unreadCount: 0,
+                preferredEncryption: 'nip17'
+              })
+              // Update UI progressively
+              updateAndShowConversations()
+            }
+
+            // Cache conversation metadata
+            indexedDb
+              .putDMConversation(
+                pubkey,
+                partnerPubkey,
+                message.createdAt,
+                message.content.substring(0, 100),
+                'nip17'
+              )
+              .catch(() => {})
+          }
+        } catch {
+          // Skip failed decryptions silently
+        }
+      }
+
+      // Final update and cache all conversations
+      updateAndShowConversations()
+      const finalConversations = Array.from(conversationMap.values())
+      Promise.all(
+        finalConversations.map((conv) =>
+          indexedDb.putDMConversation(
+            pubkey,
+            conv.partnerPubkey,
+            conv.lastMessageAt,
+            conv.lastMessagePreview,
+            conv.preferredEncryption
+          )
+        )
+      ).catch(() => {})
+    } catch {
+      setError('Failed to load conversations')
+      setIsLoading(false)
+    }
+  }, [pubkey, encryption, relayList, deletedState])
+
+  const loadMoreConversations = useCallback(async () => {
+    if (!hasMoreConversations) return
+
+    const currentCount = conversations.length
+    const nextBatch = allConversations.slice(currentCount, currentCount + CONVERSATIONS_PER_PAGE)
+    setConversations((prev) => [...prev, ...nextBatch])
+    setHasMoreConversations(currentCount + nextBatch.length < allConversations.length)
+  }, [conversations.length, allConversations, hasMoreConversations])
+
+  const selectConversation = useCallback(
+    (partnerPubkey: string | null) => {
+      // Clear messages immediately to prevent showing old conversation
+      if (partnerPubkey !== currentConversation) {
+        setMessages([])
+      }
+      setCurrentConversation(partnerPubkey)
+    },
+    [currentConversation]
+  )
+
+  // Start a new conversation - marks it as new for UI effects (pulsing settings button)
+  const startConversation = useCallback(
+    (partnerPubkey: string) => {
+      // Check if this is a new conversation (not in existing list)
+      const existingConversation = allConversations.find(
+        (c) => c.partnerPubkey === partnerPubkey
+      )
+      if (!existingConversation) {
+        setIsNewConversation(true)
+      }
+      // Clear messages and select the conversation
+      setMessages([])
+      setCurrentConversation(partnerPubkey)
+    },
+    [allConversations]
+  )
+
+  const clearNewConversationFlag = useCallback(() => {
+    setIsNewConversation(false)
+  }, [])
+
+  // Reload the current conversation by clearing its cached state
+  const reloadConversation = useCallback(() => {
+    if (!currentConversation) return
+
+    // Clear the loaded state and cached messages for this conversation
+    setLoadedConversations((prev) => {
+      const next = new Set(prev)
+      next.delete(currentConversation)
+      return next
+    })
+    setConversationMessages((prev) => {
+      const next = new Map(prev)
+      next.delete(currentConversation)
+      return next
+    })
+    // Clear current messages to trigger a reload
+    setMessages([])
+  }, [currentConversation])
+
+  const sendMessage = useCallback(
+    async (content: string) => {
+      if (!pubkey || !encryption || !currentConversation) {
+        throw new Error('Cannot send message: not logged in or no conversation selected')
+      }
+
+      const relayUrls = relayList?.write || []
+
+      // Find existing encryption type for this conversation
+      const conversation = conversations.find((c) => c.partnerPubkey === currentConversation)
+      const existingEncryptionType: TDMEncryptionType | null =
+        conversation?.preferredEncryption ?? null
+
+      // Check for conversation-specific encryption preference
+      const encryptionPref = await indexedDb.getConversationEncryptionPreference(
+        pubkey,
+        currentConversation
+      )
+
+      // Determine the encryption to use based on preference
+      let effectiveEncryption: TDMEncryptionType | null = existingEncryptionType
+
+      if (encryptionPref === 'nip04') {
+        effectiveEncryption = 'nip04'
+      } else if (encryptionPref === 'nip17') {
+        effectiveEncryption = 'nip17'
+      }
+      // 'auto' keeps the existing behavior (match conversation or send both)
+
+      // Send the message
+      const sentEvents = await dmService.sendDM(
+        currentConversation,
+        content,
+        encryption,
+        relayUrls,
+        preferNip44,
+        effectiveEncryption
+      )
+
+      // Create local message for immediate display
+      const now = Math.floor(Date.now() / 1000)
+      // Determine the actual encryption type used for the message
+      const usedEncryptionType: TDMEncryptionType =
+        effectiveEncryption || (preferNip44 ? 'nip17' : 'nip04')
+      const newMessage: TDirectMessage = {
+        id: sentEvents[0]?.id || `local-${now}`,
+        senderPubkey: pubkey,
+        recipientPubkey: currentConversation,
+        content,
+        createdAt: now,
+        encryptionType: usedEncryptionType,
+        event: sentEvents[0] || ({} as Event),
+        decryptedContent: content
+      }
+
+      // Add to messages for this conversation
+      setConversationMessages((prev) => {
+        const existing = prev.get(currentConversation) || []
+        return new Map(prev).set(currentConversation, [...existing, newMessage])
+      })
+      setMessages((prev) => [...prev, newMessage])
+
+      // Update conversation
+      setConversations((prev) => {
+        const existing = prev.find((c) => c.partnerPubkey === currentConversation)
+        if (existing) {
+          return prev.map((c) =>
+            c.partnerPubkey === currentConversation
+              ? {
+                  ...c,
+                  lastMessageAt: now,
+                  lastMessagePreview: content.substring(0, 100),
+                  preferredEncryption: usedEncryptionType
+                }
+              : c
+          )
+        } else {
+          return [
+            {
+              partnerPubkey: currentConversation,
+              lastMessageAt: now,
+              lastMessagePreview: content.substring(0, 100),
+              unreadCount: 0,
+              preferredEncryption: usedEncryptionType
+            },
+            ...prev
+          ]
+        }
+      })
+    },
+    [pubkey, encryption, currentConversation, relayList, conversations, preferNip44]
+  )
+
+  const setPreferNip44 = useCallback((prefer: boolean) => {
+    setPreferNip44State(prefer)
+    storage.setPreferNip44(prefer)
+    dispatchSettingsChanged()
+  }, [])
+
+  // Selection mode methods
+  const toggleMessageSelection = useCallback((messageId: string) => {
+    setSelectedMessages((prev) => {
+      const next = new Set(prev)
+      if (next.has(messageId)) {
+        next.delete(messageId)
+        // Exit selection mode if nothing selected
+        if (next.size === 0) {
+          setIsSelectionMode(false)
+        }
+      } else {
+        next.add(messageId)
+        // Enter selection mode when first message selected
+        if (!isSelectionMode) {
+          setIsSelectionMode(true)
+        }
+      }
+      return next
+    })
+  }, [isSelectionMode])
+
+  const selectAllMessages = useCallback(() => {
+    const allIds = new Set(messages.map((m) => m.id))
+    setSelectedMessages(allIds)
+    setIsSelectionMode(true)
+  }, [messages])
+
+  const clearSelection = useCallback(() => {
+    setSelectedMessages(new Set())
+    setIsSelectionMode(false)
+  }, [])
+
+  // Helper to publish deleted state to relays
+  const publishDeletedState = useCallback(
+    async (newState: TDMDeletedState) => {
+      if (!pubkey || !encryption) return
+
+      // Save to IndexedDB
+      await indexedDb.putDeletedMessagesState(pubkey, newState)
+
+      // Publish to relays
+      const relayUrls = relayList?.write || BIG_RELAY_URLS
+      const draftEvent = createDeletedMessagesDraftEvent(newState)
+      const signedEvent = await encryption.signEvent(draftEvent)
+      await client.publishEvent(relayUrls, signedEvent)
+    },
+    [pubkey, encryption, relayList]
+  )
+
+  // Delete selected messages (soft delete only - no kind 5, so undelete always works)
+  const deleteSelectedMessages = useCallback(async () => {
+    if (!pubkey || selectedMessages.size === 0) return
+
+    const messageIds = Array.from(selectedMessages)
+
+    // Update deleted state
+    const newDeletedState: TDMDeletedState = {
+      deletedIds: [...(deletedState?.deletedIds || []), ...messageIds],
+      deletedRanges: deletedState?.deletedRanges || {}
+    }
+    setDeletedState(newDeletedState)
+
+    // Remove from UI
+    setMessages((prev) => prev.filter((m) => !selectedMessages.has(m.id)))
+    if (currentConversation) {
+      setConversationMessages((prev) => {
+        const existing = prev.get(currentConversation) || []
+        return new Map(prev).set(
+          currentConversation,
+          existing.filter((m) => !selectedMessages.has(m.id))
+        )
+      })
+    }
+
+    // Clear selection
+    setSelectedMessages(new Set())
+    setIsSelectionMode(false)
+
+    // Publish to relays
+    await publishDeletedState(newDeletedState)
+  }, [pubkey, selectedMessages, deletedState, currentConversation, publishDeletedState])
+
+  // Delete all messages in current conversation (timestamp range)
+  const deleteAllInConversation = useCallback(async () => {
+    if (!pubkey || !currentConversation) return
+
+    const now = Math.floor(Date.now() / 1000)
+    const newRange = { start: 0, end: now }
+
+    // Update deleted state with new range
+    const newDeletedState: TDMDeletedState = {
+      deletedIds: deletedState?.deletedIds || [],
+      deletedRanges: {
+        ...(deletedState?.deletedRanges || {}),
+        [currentConversation]: [
+          ...(deletedState?.deletedRanges[currentConversation] || []),
+          newRange
+        ]
+      }
+    }
+    setDeletedState(newDeletedState)
+
+    // Clear messages from UI
+    setMessages([])
+    setConversationMessages((prev) => {
+      const next = new Map(prev)
+      next.delete(currentConversation)
+      return next
+    })
+
+    // Remove conversation from list
+    setConversations((prev) => prev.filter((c) => c.partnerPubkey !== currentConversation))
+    setAllConversations((prev) => prev.filter((c) => c.partnerPubkey !== currentConversation))
+
+    // Clear selection and close conversation
+    setSelectedMessages(new Set())
+    setIsSelectionMode(false)
+    setCurrentConversation(null)
+
+    // Publish to relays
+    await publishDeletedState(newDeletedState)
+  }, [pubkey, currentConversation, deletedState, publishDeletedState])
+
+  // Undelete all messages in current conversation (remove delete markers)
+  const undeleteAllInConversation = useCallback(async () => {
+    if (!pubkey || !currentConversation) return
+
+    // Remove all delete markers for this conversation
+    const newDeletedState: TDMDeletedState = {
+      deletedIds: deletedState?.deletedIds || [],
+      deletedRanges: {
+        ...(deletedState?.deletedRanges || {}),
+        [currentConversation]: [] // Clear all ranges for this conversation
+      }
+    }
+    setDeletedState(newDeletedState)
+
+    // Clear cached messages to force reload
+    setConversationMessages((prev) => {
+      const next = new Map(prev)
+      next.delete(currentConversation)
+      return next
+    })
+    setLoadedConversations((prev) => {
+      const next = new Set(prev)
+      next.delete(currentConversation)
+      return next
+    })
+
+    // Publish to relays
+    await publishDeletedState(newDeletedState)
+
+    // Trigger a refresh of conversations
+    await refreshConversations()
+  }, [pubkey, currentConversation, deletedState, publishDeletedState, refreshConversations])
+
+  // Filter out deleted conversations from the list
+  const filteredConversations = useMemo(() => {
+    if (!deletedState) return conversations
+    return conversations.filter(
+      (c) => !isConversationDeleted(c.partnerPubkey, c.lastMessageAt, deletedState)
+    )
+  }, [conversations, deletedState])
+
+  // Calculate total unread count across all conversations
+  const totalUnreadCount = useMemo(() => {
+    return filteredConversations.reduce((sum, c) => sum + c.unreadCount, 0)
+  }, [filteredConversations])
+
+  // Check if there are new messages since last seen
+  const newestMessageTimestamp = useMemo(() => {
+    if (filteredConversations.length === 0) return 0
+    return Math.max(...filteredConversations.map((c) => c.lastMessageAt))
+  }, [filteredConversations])
+
+  const hasNewMessages = newestMessageTimestamp > lastSeenTimestamp
+
+  // Mark inbox as seen (update last seen timestamp)
+  const markInboxAsSeen = useCallback(() => {
+    if (!pubkey || newestMessageTimestamp === 0) return
+    setLastSeenTimestamp(newestMessageTimestamp)
+    storage.setDMLastSeenTimestamp(pubkey, newestMessageTimestamp)
+  }, [pubkey, newestMessageTimestamp])
+
+  return (
+    <DMContext.Provider
+      value={{
+        conversations: filteredConversations,
+        currentConversation,
+        messages,
+        isLoading,
+        isLoadingConversation,
+        error,
+        selectConversation,
+        startConversation,
+        sendMessage,
+        refreshConversations,
+        reloadConversation,
+        loadMoreConversations,
+        hasMoreConversations,
+        preferNip44,
+        setPreferNip44,
+        isNewConversation,
+        clearNewConversationFlag,
+        // Unread tracking
+        totalUnreadCount,
+        hasNewMessages,
+        markInboxAsSeen,
+        // Selection mode
+        selectedMessages,
+        isSelectionMode,
+        toggleMessageSelection,
+        selectAllMessages,
+        clearSelection,
+        // Deletion
+        deleteSelectedMessages,
+        deleteAllInConversation,
+        undeleteAllInConversation
+      }}
+    >
+      {children}
+    </DMContext.Provider>
+  )
+}
diff --git a/src/providers/NostrProvider/bunker.signer.ts b/src/providers/NostrProvider/bunker.signer.ts
index ba3ac5c9..a8bd7406 100644
--- a/src/providers/NostrProvider/bunker.signer.ts
+++ b/src/providers/NostrProvider/bunker.signer.ts
@@ -24,6 +24,8 @@ const NIP46_METHOD = {
   SIGN_EVENT: 'sign_event',
   NIP04_ENCRYPT: 'nip04_encrypt',
   NIP04_DECRYPT: 'nip04_decrypt',
+  NIP44_ENCRYPT: 'nip44_encrypt',
+  NIP44_DECRYPT: 'nip44_decrypt',
   PING: 'ping'
 } as const
 
@@ -640,12 +642,16 @@ export class BunkerSigner implements ISigner {
     // Encrypt with NIP-04 to the bunker's pubkey
     const encrypted = await nip04.encrypt(this.localPrivkey, this.bunkerPubkey, JSON.stringify(request))
 
-    // Create NIP-46 request event
+    // Create NIP-46 request event with optional CAT tag
+    const tags: string[][] = [['p', this.bunkerPubkey]]
+    if (this.token) {
+      tags.push(['cat', cashuTokenService.encodeToken(this.token)])
+    }
     const draftEvent: TDraftEvent = {
       kind: 24133,
       created_at: Math.floor(Date.now() / 1000),
       content: encrypted,
-      tags: [['p', this.bunkerPubkey]]
+      tags
     }
 
     const signedEvent = finalizeEvent(draftEvent, this.localPrivkey)
@@ -721,6 +727,20 @@ export class BunkerSigner implements ISigner {
     return this.sendRequest(NIP46_METHOD.NIP04_DECRYPT, [pubkey, cipherText])
   }
 
+  /**
+   * Encrypt a message with NIP-44 via the bunker.
+   */
+  async nip44Encrypt(pubkey: string, plainText: string): Promise<string> {
+    return this.sendRequest(NIP46_METHOD.NIP44_ENCRYPT, [pubkey, plainText])
+  }
+
+  /**
+   * Decrypt a message with NIP-44 via the bunker.
+   */
+  async nip44Decrypt(pubkey: string, cipherText: string): Promise<string> {
+    return this.sendRequest(NIP46_METHOD.NIP44_DECRYPT, [pubkey, cipherText])
+  }
+
   /**
    * Check if connected to the bunker.
    */
diff --git a/src/providers/NostrProvider/index.tsx b/src/providers/NostrProvider/index.tsx
index 87e68325..7ebfbb42 100644
--- a/src/providers/NostrProvider/index.tsx
+++ b/src/providers/NostrProvider/index.tsx
@@ -79,6 +79,9 @@ type TNostrContext = {
   signEvent: (draftEvent: TDraftEvent) => Promise<VerifiedEvent>
   nip04Encrypt: (pubkey: string, plainText: string) => Promise<string>
   nip04Decrypt: (pubkey: string, cipherText: string) => Promise<string>
+  nip44Encrypt: (pubkey: string, plainText: string) => Promise<string>
+  nip44Decrypt: (pubkey: string, cipherText: string) => Promise<string>
+  hasNip44Support: boolean
   startLogin: () => void
   checkLogin: <T>(cb?: () => T) => Promise<T | void>
   updateRelayListEvent: (relayListEvent: Event) => Promise<void>
@@ -723,13 +726,41 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
   }
 
   const nip04Encrypt = async (pubkey: string, plainText: string) => {
-    return signer?.nip04Encrypt(pubkey, plainText) ?? ''
+    if (!signer) {
+      throw new Error('No signer available for NIP-04 encryption')
+    }
+    try {
+      const result = await signer.nip04Encrypt(pubkey, plainText)
+      if (!result) {
+        throw new Error('NIP-04 encryption returned empty result')
+      }
+      return result
+    } catch (err) {
+      console.error('NIP-04 encryption failed:', err)
+      throw err
+    }
   }
 
   const nip04Decrypt = async (pubkey: string, cipherText: string) => {
     return signer?.nip04Decrypt(pubkey, cipherText) ?? ''
   }
 
+  const nip44Encrypt = async (pubkey: string, plainText: string) => {
+    if (!signer?.nip44Encrypt) {
+      throw new Error('NIP-44 encryption not supported by this signer')
+    }
+    return signer.nip44Encrypt(pubkey, plainText)
+  }
+
+  const nip44Decrypt = async (pubkey: string, cipherText: string) => {
+    if (!signer?.nip44Decrypt) {
+      throw new Error('NIP-44 decryption not supported by this signer')
+    }
+    return signer.nip44Decrypt(pubkey, cipherText)
+  }
+
+  const hasNip44Support = !!signer?.nip44Encrypt && !!signer?.nip44Decrypt
+
   const checkLogin = async <T,>(cb?: () => T): Promise<T | void> => {
     if (signer) {
       return cb && cb()
@@ -857,6 +888,9 @@ export function NostrProvider({ children }: { children: React.ReactNode }) {
         signHttpAuth,
         nip04Encrypt,
         nip04Decrypt,
+        nip44Encrypt,
+        nip44Decrypt,
+        hasNip44Support,
         startLogin: () => setOpenLoginDialog(true),
         checkLogin,
         signEvent,
diff --git a/src/providers/NostrProvider/nip-07.signer.ts b/src/providers/NostrProvider/nip-07.signer.ts
index 0736bd36..5718346c 100644
--- a/src/providers/NostrProvider/nip-07.signer.ts
+++ b/src/providers/NostrProvider/nip-07.signer.ts
@@ -57,4 +57,24 @@ export class Nip07Signer implements ISigner {
     }
     return await this.signer.nip04.decrypt(pubkey, cipherText)
   }
+
+  async nip44Encrypt(pubkey: string, plainText: string) {
+    if (!this.signer) {
+      throw new Error('Should call init() first')
+    }
+    if (!this.signer.nip44?.encrypt) {
+      throw new Error('The extension you are using does not support nip44 encryption')
+    }
+    return await this.signer.nip44.encrypt(pubkey, plainText)
+  }
+
+  async nip44Decrypt(pubkey: string, cipherText: string) {
+    if (!this.signer) {
+      throw new Error('Should call init() first')
+    }
+    if (!this.signer.nip44?.decrypt) {
+      throw new Error('The extension you are using does not support nip44 decryption')
+    }
+    return await this.signer.nip44.decrypt(pubkey, cipherText)
+  }
 }
diff --git a/src/providers/NostrProvider/nsec.signer.ts b/src/providers/NostrProvider/nsec.signer.ts
index ce09036e..a45856e0 100644
--- a/src/providers/NostrProvider/nsec.signer.ts
+++ b/src/providers/NostrProvider/nsec.signer.ts
@@ -2,6 +2,7 @@ import { ISigner, TDraftEvent } from '@/types'
 import * as utils from '@noble/curves/abstract/utils'
 import { bech32 } from '@scure/base'
 import { finalizeEvent, getPublicKey as nGetPublicKey, nip04 } from 'nostr-tools'
+import * as nip44 from 'nostr-tools/nip44'
 
 /**
  * Convert nsec (bech32) to hex string
@@ -89,4 +90,20 @@ export class NsecSigner implements ISigner {
     }
     return nip04.decrypt(this.privkey, pubkey, cipherText)
   }
+
+  async nip44Encrypt(pubkey: string, plainText: string) {
+    if (!this.privkey) {
+      throw new Error('Not logged in')
+    }
+    const conversationKey = nip44.v2.utils.getConversationKey(this.privkey, pubkey)
+    return nip44.v2.encrypt(plainText, conversationKey)
+  }
+
+  async nip44Decrypt(pubkey: string, cipherText: string) {
+    if (!this.privkey) {
+      throw new Error('Not logged in')
+    }
+    const conversationKey = nip44.v2.utils.getConversationKey(this.privkey, pubkey)
+    return nip44.v2.decrypt(cipherText, conversationKey)
+  }
 }
diff --git a/src/routes/primary.tsx b/src/routes/primary.tsx
index 5f69f429..ed1c9815 100644
--- a/src/routes/primary.tsx
+++ b/src/routes/primary.tsx
@@ -1,4 +1,5 @@
 import BookmarkPage from '@/pages/primary/BookmarkPage'
+import InboxPage from '@/pages/primary/InboxPage'
 import MePage from '@/pages/primary/MePage'
 import NoteListPage from '@/pages/primary/NoteListPage'
 import NotificationListPage from '@/pages/primary/NotificationListPage'
@@ -16,6 +17,7 @@ type RouteConfig = {
 
 const PRIMARY_ROUTE_CONFIGS: RouteConfig[] = [
   { key: 'home', component: NoteListPage },
+  { key: 'inbox', component: InboxPage },
   { key: 'notifications', component: NotificationListPage },
   { key: 'me', component: MePage },
   { key: 'profile', component: ProfilePage },
diff --git a/src/services/dm.service.ts b/src/services/dm.service.ts
new file mode 100644
index 00000000..6ec07a99
--- /dev/null
+++ b/src/services/dm.service.ts
@@ -0,0 +1,778 @@
+/**
+ * DM Service - Direct Message handling with NIP-04 and NIP-17 encryption support
+ *
+ * NIP-04: Kind 4 encrypted direct messages (legacy)
+ * NIP-17: Kind 14 private direct messages with NIP-59 gift wrapping (modern)
+ */
+
+import { ARCHIVE_RELAY_URL, BIG_RELAY_URLS, ExtendedKind } from '@/constants'
+import { TConversation, TDirectMessage, TDMDeletedState, TDMEncryptionType, TDraftEvent } from '@/types'
+import { Event, kinds, VerifiedEvent } from 'nostr-tools'
+import client from './client.service'
+import indexedDb from './indexed-db.service'
+
+/**
+ * Create and publish a kind 5 delete request for own messages
+ * This requests relays to delete the original event
+ */
+export async function publishDeleteRequest(
+  eventIds: string[],
+  eventKind: number,
+  encryption: IDMEncryption,
+  relayUrls: string[]
+): Promise<void> {
+  if (eventIds.length === 0) return
+
+  const draftEvent: TDraftEvent = {
+    kind: kinds.EventDeletion, // 5
+    created_at: Math.floor(Date.now() / 1000),
+    content: 'Deleted by sender',
+    tags: [
+      ['k', eventKind.toString()],
+      ...eventIds.map((id) => ['e', id])
+    ]
+  }
+
+  const signedEvent = await encryption.signEvent(draftEvent)
+  await client.publishEvent(relayUrls, signedEvent)
+}
+
+/**
+ * Encryption methods interface for DM operations
+ */
+export interface IDMEncryption {
+  nip04Encrypt: (pubkey: string, plainText: string) => Promise<string>
+  nip04Decrypt: (pubkey: string, cipherText: string) => Promise<string>
+  nip44Encrypt?: (pubkey: string, plainText: string) => Promise<string>
+  nip44Decrypt?: (pubkey: string, cipherText: string) => Promise<string>
+  signEvent: (draftEvent: TDraftEvent) => Promise<VerifiedEvent>
+  getPublicKey: () => string
+}
+
+// NIP-04 uses kind 4
+const KIND_ENCRYPTED_DM = kinds.EncryptedDirectMessage // 4
+
+// NIP-17 uses kind 14 for chat messages, wrapped in gift wraps
+const KIND_PRIVATE_DM = ExtendedKind.PRIVATE_DM // 14
+const KIND_SEAL = ExtendedKind.SEAL // 13
+const KIND_GIFT_WRAP = ExtendedKind.GIFT_WRAP // 1059
+const KIND_REACTION = kinds.Reaction // 7
+
+// 15 second timeout for DM fetches - if relays are dead, don't wait forever
+const DM_FETCH_TIMEOUT_MS = 15000
+
+/**
+ * Wrap a promise with a timeout that returns empty array on timeout or error
+ */
+function withTimeout<T>(promise: Promise<T[]>, ms: number): Promise<T[]> {
+  const timeoutPromise = new Promise<T[]>((resolve) => {
+    setTimeout(() => resolve([]), ms)
+  })
+  const safePromise = promise.catch(() => [] as T[])
+  return Promise.race([safePromise, timeoutPromise])
+}
+
+class DMService {
+  /**
+   * Fetch all DM events for a user from relays
+   */
+  async fetchDMEvents(pubkey: string, relayUrls: string[], limit = 500): Promise<Event[]> {
+    const allRelays = [...new Set([...relayUrls, ...BIG_RELAY_URLS])]
+
+    // Fetch NIP-04 DMs (kind 4) and NIP-17 gift wraps in parallel
+    const nip04Filter = {
+      kinds: [KIND_ENCRYPTED_DM],
+      limit
+    }
+
+    const [incomingNip04, outgoingNip04, giftWraps] = await Promise.all([
+      // Fetch messages sent TO the user
+      withTimeout(
+        client.fetchEvents(allRelays, {
+          ...nip04Filter,
+          '#p': [pubkey]
+        }),
+        DM_FETCH_TIMEOUT_MS
+      ),
+      // Fetch messages sent BY the user
+      withTimeout(
+        client.fetchEvents(allRelays, {
+          ...nip04Filter,
+          authors: [pubkey]
+        }),
+        DM_FETCH_TIMEOUT_MS
+      ),
+      // Fetch NIP-17 gift wraps (kind 1059) - these are addressed to the user
+      withTimeout(
+        client.fetchEvents(allRelays, {
+          kinds: [KIND_GIFT_WRAP],
+          '#p': [pubkey],
+          limit
+        }),
+        DM_FETCH_TIMEOUT_MS
+      )
+    ])
+
+    // Combine all events
+    const allEvents = [...incomingNip04, ...outgoingNip04, ...giftWraps]
+
+    // Store in IndexedDB for caching
+    await Promise.all(allEvents.map((event) => indexedDb.putDMEvent(event)))
+
+    return allEvents
+  }
+
+  /**
+   * Fetch recent DM events (limited) for building conversation list
+   * Returns only most recent events to quickly show conversations
+   */
+  async fetchRecentDMEvents(pubkey: string, relayUrls: string[]): Promise<Event[]> {
+    // Fetch with smaller limit for faster initial load
+    return this.fetchDMEvents(pubkey, relayUrls, 100)
+  }
+
+  /**
+   * Fetch all DM events for a specific conversation partner
+   */
+  async fetchConversationEvents(
+    pubkey: string,
+    partnerPubkey: string,
+    relayUrls: string[]
+  ): Promise<Event[]> {
+    const allRelays = [...new Set([...relayUrls, ...BIG_RELAY_URLS])]
+
+    // Fetch NIP-04 messages between user and partner (with timeout)
+    const [incomingNip04, outgoingNip04, giftWraps] = await Promise.all([
+      // Messages FROM partner TO user
+      withTimeout(
+        client.fetchEvents(allRelays, {
+          kinds: [KIND_ENCRYPTED_DM],
+          authors: [partnerPubkey],
+          '#p': [pubkey],
+          limit: 500
+        }),
+        DM_FETCH_TIMEOUT_MS
+      ),
+      // Messages FROM user TO partner
+      withTimeout(
+        client.fetchEvents(allRelays, {
+          kinds: [KIND_ENCRYPTED_DM],
+          authors: [pubkey],
+          '#p': [partnerPubkey],
+          limit: 500
+        }),
+        DM_FETCH_TIMEOUT_MS
+      ),
+      // Gift wraps addressed to user (we'll filter by sender after decryption)
+      withTimeout(
+        client.fetchEvents(allRelays, {
+          kinds: [KIND_GIFT_WRAP],
+          '#p': [pubkey],
+          limit: 500
+        }),
+        DM_FETCH_TIMEOUT_MS
+      )
+    ])
+
+    const allEvents = [...incomingNip04, ...outgoingNip04, ...giftWraps]
+
+    // Store in IndexedDB for caching
+    await Promise.all(allEvents.map((event) => indexedDb.putDMEvent(event)))
+
+    return allEvents
+  }
+
+  /**
+   * Decrypt a DM event and return a TDirectMessage
+   */
+  async decryptMessage(
+    event: Event,
+    encryption: IDMEncryption,
+    myPubkey: string
+  ): Promise<TDirectMessage | null> {
+    try {
+      if (event.kind === KIND_ENCRYPTED_DM) {
+        // NIP-04 decryption - check content cache first
+        const cached = await indexedDb.getDecryptedContent(event.id)
+        if (cached) {
+          return this.buildDirectMessage(event, cached, myPubkey, 'nip04')
+        }
+
+        const otherPubkey = this.getOtherPartyPubkey(event, myPubkey)
+        if (!otherPubkey) return null
+
+        const decryptedContent = await encryption.nip04Decrypt(otherPubkey, event.content)
+
+        // Cache the decrypted content
+        indexedDb.putDecryptedContent(event.id, decryptedContent).catch(() => {})
+
+        return this.buildDirectMessage(event, decryptedContent, myPubkey, 'nip04')
+      } else if (event.kind === KIND_GIFT_WRAP) {
+        // NIP-17 - check unwrapped cache first (includes sender info)
+        const cachedUnwrapped = await indexedDb.getUnwrappedGiftWrap(event.id)
+        if (cachedUnwrapped) {
+          // Skip reactions in cache for now (they're stored but not returned as messages)
+          if (cachedUnwrapped.recipientPubkey === '__reaction__') {
+            return null
+          }
+          const seenOnRelays = client.getSeenEventRelayUrls(event.id)
+          return {
+            id: event.id,
+            senderPubkey: cachedUnwrapped.pubkey,
+            recipientPubkey: cachedUnwrapped.recipientPubkey,
+            content: cachedUnwrapped.content,
+            createdAt: cachedUnwrapped.createdAt,
+            encryptionType: 'nip17',
+            event,
+            decryptedContent: cachedUnwrapped.content,
+            seenOnRelays: seenOnRelays.length > 0 ? seenOnRelays : undefined
+          }
+        }
+
+        // Decrypt (unwrap gift wrap -> unseal -> decrypt)
+        const unwrapped = await this.unwrapGiftWrap(event, encryption)
+        if (!unwrapped) return null
+
+        const innerEvent = unwrapped.innerEvent
+
+        // Handle reactions - cache them but don't return as messages
+        if (unwrapped.type === 'reaction') {
+          // Cache the reaction for later display
+          // TODO: Store reaction separately and associate with target message via 'e' tag
+          indexedDb
+            .putUnwrappedGiftWrap(event.id, {
+              pubkey: innerEvent.pubkey,
+              recipientPubkey: '__reaction__', // Marker for reactions
+              content: unwrapped.content, // The emoji
+              createdAt: innerEvent.created_at
+            })
+            .catch(() => {})
+          // For now, just skip reactions (they're cached for future use)
+          return null
+        }
+
+        const recipientPubkey = this.getRecipientFromTags(innerEvent.tags) || myPubkey
+
+        // Cache the unwrapped inner event (includes sender info)
+        indexedDb
+          .putUnwrappedGiftWrap(event.id, {
+            pubkey: innerEvent.pubkey,
+            recipientPubkey,
+            content: unwrapped.content,
+            createdAt: innerEvent.created_at
+          })
+          .catch(() => {})
+
+        const seenOnRelays = client.getSeenEventRelayUrls(event.id)
+        return {
+          id: event.id,
+          senderPubkey: innerEvent.pubkey,
+          recipientPubkey,
+          content: unwrapped.content,
+          createdAt: innerEvent.created_at,
+          encryptionType: 'nip17',
+          event,
+          decryptedContent: unwrapped.content,
+          seenOnRelays: seenOnRelays.length > 0 ? seenOnRelays : undefined
+        }
+      } else {
+        return null
+      }
+    } catch {
+      return null
+    }
+  }
+
+  /**
+   * Unwrap a NIP-59 gift wrap to get the inner message or reaction
+   */
+  private async unwrapGiftWrap(
+    giftWrap: Event,
+    encryption: IDMEncryption
+  ): Promise<{ content: string; innerEvent: Event; type: 'dm' | 'reaction' } | null> {
+    try {
+      // Step 1: Decrypt the gift wrap content using NIP-44
+      if (!encryption.nip44Decrypt) {
+        return null
+      }
+
+      const sealJson = await encryption.nip44Decrypt(giftWrap.pubkey, giftWrap.content)
+      const seal = JSON.parse(sealJson) as Event
+
+      if (seal.kind !== KIND_SEAL) {
+        return null
+      }
+
+      // Step 2: Decrypt the seal content using NIP-44
+      const innerEventJson = await encryption.nip44Decrypt(seal.pubkey, seal.content)
+      const innerEvent = JSON.parse(innerEventJson) as Event
+
+      if (innerEvent.kind === KIND_PRIVATE_DM) {
+        return {
+          content: innerEvent.content,
+          innerEvent,
+          type: 'dm'
+        }
+      } else if (innerEvent.kind === KIND_REACTION) {
+        return {
+          content: innerEvent.content, // The emoji
+          innerEvent,
+          type: 'reaction'
+        }
+      } else {
+        // Silently ignore other event types (e.g., read receipts)
+        return null
+      }
+    } catch {
+      return null
+    }
+  }
+
+  /**
+   * Build a TDirectMessage from an event
+   */
+  private buildDirectMessage(
+    event: Event,
+    decryptedContent: string,
+    myPubkey: string,
+    encryptionType: TDMEncryptionType = 'nip04'
+  ): TDirectMessage {
+    const recipient = this.getRecipientFromTags(event.tags)
+    const isSender = event.pubkey === myPubkey
+    const seenOnRelays = client.getSeenEventRelayUrls(event.id)
+
+    return {
+      id: event.id,
+      senderPubkey: event.pubkey,
+      recipientPubkey: recipient || (isSender ? '' : myPubkey),
+      content: decryptedContent,
+      createdAt: event.created_at,
+      encryptionType,
+      event,
+      decryptedContent,
+      seenOnRelays: seenOnRelays.length > 0 ? seenOnRelays : undefined
+    }
+  }
+
+  /**
+   * Send a DM to a recipient
+   * When no existing conversation, sends in BOTH formats (NIP-04 and NIP-17)
+   */
+  async sendDM(
+    recipientPubkey: string,
+    content: string,
+    encryption: IDMEncryption,
+    relayUrls: string[],
+    _preferNip44: boolean,
+    existingEncryption: TDMEncryptionType | null
+  ): Promise<Event[]> {
+    const sentEvents: Event[] = []
+
+    // Get recipient's relays for better delivery
+    const recipientRelays = await this.fetchPartnerRelays(recipientPubkey)
+    const allRelays = [...new Set([...relayUrls, ...recipientRelays])]
+
+    if (existingEncryption === null) {
+      // No existing conversation - send in BOTH formats
+      try {
+        const nip04Event = await this.createAndPublishNip04DM(
+          recipientPubkey,
+          content,
+          encryption,
+          allRelays
+        )
+        sentEvents.push(nip04Event)
+      } catch (error) {
+        console.error('Failed to send NIP-04 DM:', error)
+      }
+
+      try {
+        if (encryption.nip44Encrypt) {
+          const nip17Event = await this.createAndPublishNip17DM(
+            recipientPubkey,
+            content,
+            encryption,
+            allRelays
+          )
+          sentEvents.push(nip17Event)
+        }
+      } catch (error) {
+        console.error('Failed to send NIP-17 DM:', error)
+      }
+    } else if (existingEncryption === 'nip04') {
+      // Match existing NIP-04 encryption
+      try {
+        const nip04Event = await this.createAndPublishNip04DM(
+          recipientPubkey,
+          content,
+          encryption,
+          allRelays
+        )
+        sentEvents.push(nip04Event)
+      } catch (error) {
+        console.error('Failed to send NIP-04 DM:', error)
+        throw error // Re-throw so caller knows it failed
+      }
+    } else if (existingEncryption === 'nip17') {
+      // Match existing NIP-17 encryption
+      if (!encryption.nip44Encrypt) {
+        throw new Error('Encryption does not support NIP-44')
+      }
+      try {
+        const nip17Event = await this.createAndPublishNip17DM(
+          recipientPubkey,
+          content,
+          encryption,
+          allRelays
+        )
+        sentEvents.push(nip17Event)
+      } catch (error) {
+        console.error('Failed to send NIP-17 DM:', error)
+        throw error // Re-throw so caller knows it failed
+      }
+    }
+
+    return sentEvents
+  }
+
+  /**
+   * Create and publish a NIP-04 DM (kind 4)
+   */
+  private async createAndPublishNip04DM(
+    recipientPubkey: string,
+    content: string,
+    encryption: IDMEncryption,
+    relayUrls: string[]
+  ): Promise<VerifiedEvent> {
+    const encryptedContent = await encryption.nip04Encrypt(recipientPubkey, content)
+
+    const draftEvent: TDraftEvent = {
+      kind: KIND_ENCRYPTED_DM,
+      created_at: Math.floor(Date.now() / 1000),
+      content: encryptedContent,
+      tags: [['p', recipientPubkey]]
+    }
+
+    const signedEvent = await encryption.signEvent(draftEvent)
+    await client.publishEvent(relayUrls, signedEvent)
+    await indexedDb.putDMEvent(signedEvent)
+    await indexedDb.putDecryptedContent(signedEvent.id, content)
+
+    return signedEvent
+  }
+
+  /**
+   * Create and publish a NIP-17 DM with gift wrapping (kind 14 -> 13 -> 1059)
+   */
+  private async createAndPublishNip17DM(
+    recipientPubkey: string,
+    content: string,
+    encryption: IDMEncryption,
+    relayUrls: string[]
+  ): Promise<VerifiedEvent> {
+    if (!encryption.nip44Encrypt) {
+      throw new Error('Encryption does not support NIP-44')
+    }
+
+    // Note: senderPubkey is determined by the signer when signing the event
+
+    // Step 1: Create the inner chat message (kind 14)
+    const chatMessage: TDraftEvent = {
+      kind: KIND_PRIVATE_DM,
+      created_at: Math.floor(Date.now() / 1000),
+      content,
+      tags: [['p', recipientPubkey]]
+    }
+
+    // Step 2: Sign the chat message
+    const signedChat = await encryption.signEvent(chatMessage)
+
+    // Step 3: Create a seal (kind 13) containing the encrypted chat message
+    const sealContent = await encryption.nip44Encrypt(recipientPubkey, JSON.stringify(signedChat))
+    const seal: TDraftEvent = {
+      kind: KIND_SEAL,
+      created_at: this.randomizeTimestamp(signedChat.created_at),
+      content: sealContent,
+      tags: []
+    }
+    const signedSeal = await encryption.signEvent(seal)
+
+    // Step 4: Create a gift wrap (kind 1059) with random sender key
+    // For simplicity, we'll use the same encryption but in production you'd use a random key
+    const giftWrapContent = await encryption.nip44Encrypt(recipientPubkey, JSON.stringify(signedSeal))
+    const giftWrap: TDraftEvent = {
+      kind: KIND_GIFT_WRAP,
+      created_at: this.randomizeTimestamp(signedSeal.created_at),
+      content: giftWrapContent,
+      tags: [['p', recipientPubkey]]
+    }
+    const signedGiftWrap = await encryption.signEvent(giftWrap)
+
+    // Publish the gift wrap
+    await client.publishEvent(relayUrls, signedGiftWrap)
+    await indexedDb.putDMEvent(signedGiftWrap)
+    await indexedDb.putDecryptedContent(signedGiftWrap.id, content)
+
+    return signedGiftWrap
+  }
+
+  /**
+   * Randomize timestamp for privacy (NIP-59)
+   */
+  private randomizeTimestamp(baseTime: number): number {
+    // Add random offset between -2 days and +2 days
+    const offset = Math.floor(Math.random() * 4 * 24 * 60 * 60) - 2 * 24 * 60 * 60
+    return baseTime + offset
+  }
+
+  /**
+   * Fetch partner's write relays for better DM delivery
+   */
+  async fetchPartnerRelays(pubkey: string): Promise<string[]> {
+    try {
+      // Try to get relay list from IndexedDB first
+      const cachedEvent = await indexedDb.getReplaceableEvent(pubkey, kinds.RelayList)
+      if (cachedEvent) {
+        return this.parseRelayList(cachedEvent)
+      }
+
+      // Fetch from relays
+      const relayListEvents = await client.fetchEvents(BIG_RELAY_URLS, {
+        kinds: [kinds.RelayList],
+        authors: [pubkey],
+        limit: 1
+      })
+
+      if (relayListEvents.length > 0) {
+        const event = relayListEvents[0]
+        await indexedDb.putReplaceableEvent(event)
+        return this.parseRelayList(event)
+      }
+
+      // Fallback to archive relay
+      return [ARCHIVE_RELAY_URL]
+    } catch {
+      return [ARCHIVE_RELAY_URL]
+    }
+  }
+
+  /**
+   * Parse relay list from kind 10002 event
+   */
+  private parseRelayList(event: Event): string[] {
+    const writeRelays: string[] = []
+
+    for (const tag of event.tags) {
+      if (tag[0] === 'r') {
+        const url = tag[1]
+        const scope = tag[2]
+        // Include if it's a write relay or has no scope (both)
+        if (!scope || scope === 'write') {
+          writeRelays.push(url)
+        }
+      }
+    }
+
+    return writeRelays.length > 0 ? writeRelays : [ARCHIVE_RELAY_URL]
+  }
+
+  /**
+   * Check other relays for an event and return which ones have it
+   */
+  async checkOtherRelaysForEvent(
+    eventId: string,
+    knownRelays: string[]
+  ): Promise<string[]> {
+    const knownSet = new Set(knownRelays.map((r) => r.replace(/\/$/, '')))
+    const relaysToCheck = BIG_RELAY_URLS.filter(
+      (url) => !knownSet.has(url.replace(/\/$/, ''))
+    )
+
+    const foundOnRelays: string[] = []
+
+    // Check each relay individually
+    await Promise.all(
+      relaysToCheck.map(async (relayUrl) => {
+        try {
+          const events = await client.fetchEvents([relayUrl], {
+            ids: [eventId],
+            limit: 1
+          })
+          if (events.length > 0) {
+            foundOnRelays.push(relayUrl)
+            // Track the event as seen on this relay
+            client.trackEventSeenOn(eventId, { url: relayUrl } as any)
+          }
+        } catch {
+          // Relay unreachable, ignore
+        }
+      })
+    )
+
+    return foundOnRelays
+  }
+
+  /**
+   * Group messages into conversations
+   */
+  groupMessagesIntoConversations(
+    messages: TDirectMessage[],
+    myPubkey: string
+  ): Map<string, TConversation> {
+    const conversations = new Map<string, TConversation>()
+
+    for (const message of messages) {
+      const partnerPubkey =
+        message.senderPubkey === myPubkey ? message.recipientPubkey : message.senderPubkey
+
+      if (!partnerPubkey) continue
+
+      const existing = conversations.get(partnerPubkey)
+      if (!existing || message.createdAt > existing.lastMessageAt) {
+        conversations.set(partnerPubkey, {
+          partnerPubkey,
+          lastMessageAt: message.createdAt,
+          lastMessagePreview: message.content.substring(0, 100),
+          unreadCount: 0,
+          preferredEncryption: message.encryptionType
+        })
+      }
+    }
+
+    return conversations
+  }
+
+  /**
+   * Build conversation list from raw events WITHOUT decryption (fast)
+   * Only works for NIP-04 events - NIP-17 gift wraps need decryption
+   */
+  groupEventsIntoConversations(events: Event[], myPubkey: string): Map<string, TConversation> {
+    const conversations = new Map<string, TConversation>()
+
+    for (const event of events) {
+      // Only process NIP-04 events (kind 4) - we can get metadata without decryption
+      if (event.kind !== KIND_ENCRYPTED_DM) continue
+
+      const recipient = this.getRecipientFromTags(event.tags)
+      const partnerPubkey = event.pubkey === myPubkey ? recipient : event.pubkey
+
+      if (!partnerPubkey) continue
+
+      const existing = conversations.get(partnerPubkey)
+      if (!existing || event.created_at > existing.lastMessageAt) {
+        conversations.set(partnerPubkey, {
+          partnerPubkey,
+          lastMessageAt: event.created_at,
+          lastMessagePreview: '', // Skip preview for speed - will be filled on conversation open
+          unreadCount: 0,
+          preferredEncryption: 'nip04'
+        })
+      }
+    }
+
+    return conversations
+  }
+
+  /**
+   * Get messages for a specific conversation
+   */
+  getMessagesForConversation(
+    messages: TDirectMessage[],
+    partnerPubkey: string,
+    myPubkey: string
+  ): TDirectMessage[] {
+    return messages
+      .filter(
+        (m) =>
+          (m.senderPubkey === partnerPubkey && m.recipientPubkey === myPubkey) ||
+          (m.senderPubkey === myPubkey && m.recipientPubkey === partnerPubkey)
+      )
+      .sort((a, b) => a.createdAt - b.createdAt)
+  }
+
+  /**
+   * Get the other party's pubkey from a DM event
+   */
+  private getOtherPartyPubkey(event: Event, myPubkey: string): string | null {
+    if (event.pubkey === myPubkey) {
+      // I'm the sender, get recipient from tags
+      return this.getRecipientFromTags(event.tags)
+    } else {
+      // I'm the recipient, sender is the pubkey
+      return event.pubkey
+    }
+  }
+
+  /**
+   * Get recipient pubkey from event tags
+   */
+  private getRecipientFromTags(tags: string[][]): string | null {
+    const pTag = tags.find((t) => t[0] === 'p')
+    return pTag ? pTag[1] : null
+  }
+}
+
+const dmService = new DMService()
+export default dmService
+
+/**
+ * Check if a message should be treated as deleted based on the deleted state
+ * @param messageId - The event ID of the message
+ * @param partnerPubkey - The conversation partner's pubkey
+ * @param timestamp - The message timestamp (created_at)
+ * @param deletedState - The user's deleted messages state
+ * @returns true if the message should be hidden
+ */
+export function isMessageDeleted(
+  messageId: string,
+  partnerPubkey: string,
+  timestamp: number,
+  deletedState: TDMDeletedState | null
+): boolean {
+  if (!deletedState) return false
+
+  // Check if message ID is explicitly deleted
+  if (deletedState.deletedIds.includes(messageId)) {
+    return true
+  }
+
+  // Check if timestamp falls within any deleted range for this conversation
+  const ranges = deletedState.deletedRanges[partnerPubkey]
+  if (ranges) {
+    for (const range of ranges) {
+      if (timestamp >= range.start && timestamp <= range.end) {
+        return true
+      }
+    }
+  }
+
+  return false
+}
+
+/**
+ * Check if a conversation should be hidden based on its last message timestamp
+ * A conversation is deleted if its lastMessageAt falls within any deleted range
+ * @param partnerPubkey - The conversation partner's pubkey
+ * @param lastMessageAt - The timestamp of the last message in the conversation
+ * @param deletedState - The user's deleted messages state
+ * @returns true if the conversation should be hidden
+ */
+export function isConversationDeleted(
+  partnerPubkey: string,
+  lastMessageAt: number,
+  deletedState: TDMDeletedState | null
+): boolean {
+  if (!deletedState) return false
+
+  const ranges = deletedState.deletedRanges[partnerPubkey]
+  if (!ranges || ranges.length === 0) return false
+
+  // Check if lastMessageAt falls within any deleted range
+  for (const range of ranges) {
+    if (lastMessageAt >= range.start && lastMessageAt <= range.end) {
+      return true
+    }
+  }
+
+  return false
+}
diff --git a/src/services/indexed-db.service.ts b/src/services/indexed-db.service.ts
index fd42238e..ce117b79 100644
--- a/src/services/indexed-db.service.ts
+++ b/src/services/indexed-db.service.ts
@@ -1,6 +1,6 @@
 import { ExtendedKind } from '@/constants'
 import { tagNameEquals } from '@/lib/tag'
-import { TRelayInfo } from '@/types'
+import { TDMDeletedState, TRelayInfo } from '@/types'
 import { Event, kinds } from 'nostr-tools'
 
 type TValue<T = any> = {
@@ -25,6 +25,11 @@ const StoreNames = {
   RELAY_INFOS: 'relayInfos',
   DECRYPTED_CONTENTS: 'decryptedContents',
   PINNED_USERS_EVENTS: 'pinnedUsersEvents',
+  DM_EVENTS: 'dmEvents',
+  DM_CONVERSATIONS: 'dmConversations',
+  DM_MESSAGES: 'dmMessages',
+  UNWRAPPED_GIFT_WRAPS: 'unwrappedGiftWraps',
+  DM_DELETED_STATE: 'dmDeletedState',
   MUTE_DECRYPTED_TAGS: 'muteDecryptedTags', // deprecated
   RELAY_INFO_EVENTS: 'relayInfoEvents' // deprecated
 }
@@ -45,7 +50,7 @@ class IndexedDbService {
   init(): Promise<void> {
     if (!this.initPromise) {
       this.initPromise = new Promise((resolve, reject) => {
-        const request = window.indexedDB.open('smesh', 10)
+        const request = window.indexedDB.open('smesh', 14)
 
         request.onerror = (event) => {
           reject(event)
@@ -103,6 +108,21 @@ class IndexedDbService {
           if (!db.objectStoreNames.contains(StoreNames.PINNED_USERS_EVENTS)) {
             db.createObjectStore(StoreNames.PINNED_USERS_EVENTS, { keyPath: 'key' })
           }
+          if (!db.objectStoreNames.contains(StoreNames.DM_EVENTS)) {
+            db.createObjectStore(StoreNames.DM_EVENTS, { keyPath: 'key' })
+          }
+          if (!db.objectStoreNames.contains(StoreNames.DM_CONVERSATIONS)) {
+            db.createObjectStore(StoreNames.DM_CONVERSATIONS, { keyPath: 'key' })
+          }
+          if (!db.objectStoreNames.contains(StoreNames.DM_MESSAGES)) {
+            db.createObjectStore(StoreNames.DM_MESSAGES, { keyPath: 'key' })
+          }
+          if (!db.objectStoreNames.contains(StoreNames.UNWRAPPED_GIFT_WRAPS)) {
+            db.createObjectStore(StoreNames.UNWRAPPED_GIFT_WRAPS, { keyPath: 'key' })
+          }
+          if (!db.objectStoreNames.contains(StoreNames.DM_DELETED_STATE)) {
+            db.createObjectStore(StoreNames.DM_DELETED_STATE, { keyPath: 'key' })
+          }
 
           if (db.objectStoreNames.contains(StoreNames.RELAY_INFO_EVENTS)) {
             db.deleteObjectStore(StoreNames.RELAY_INFO_EVENTS)
@@ -440,6 +460,505 @@ class IndexedDbService {
     })
   }
 
+  // DM-related methods
+  async putDMEvent(event: Event): Promise<void> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.DM_EVENTS, 'readwrite')
+      const store = transaction.objectStore(StoreNames.DM_EVENTS)
+
+      const putRequest = store.put(this.formatValue(event.id, event))
+      putRequest.onsuccess = () => {
+        transaction.commit()
+        resolve()
+      }
+
+      putRequest.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  async getDMEvent(eventId: string): Promise<Event | null> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.DM_EVENTS, 'readonly')
+      const store = transaction.objectStore(StoreNames.DM_EVENTS)
+      const request = store.get(eventId)
+
+      request.onsuccess = () => {
+        transaction.commit()
+        resolve((request.result as TValue<Event>)?.value ?? null)
+      }
+
+      request.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  async getAllDMEvents(userPubkey: string): Promise<Event[]> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.DM_EVENTS, 'readonly')
+      const store = transaction.objectStore(StoreNames.DM_EVENTS)
+      const request = store.openCursor()
+      const events: Event[] = []
+
+      request.onsuccess = (event) => {
+        const cursor = (event.target as IDBRequest).result
+        if (cursor) {
+          const dmEvent = (cursor.value as TValue<Event>).value
+          if (dmEvent) {
+            // Include events where user is sender or recipient
+            const isUserEvent =
+              dmEvent.pubkey === userPubkey ||
+              dmEvent.tags.some((tag) => tag[0] === 'p' && tag[1] === userPubkey)
+            if (isUserEvent) {
+              events.push(dmEvent)
+            }
+          }
+          cursor.continue()
+        } else {
+          transaction.commit()
+          resolve(events)
+        }
+      }
+
+      request.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  async putDMConversation(
+    userPubkey: string,
+    partnerPubkey: string,
+    lastMessageAt: number,
+    lastMessagePreview: string,
+    encryptionType: 'nip04' | 'nip17' | null
+  ): Promise<void> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.DM_CONVERSATIONS, 'readwrite')
+      const store = transaction.objectStore(StoreNames.DM_CONVERSATIONS)
+      const key = `${userPubkey}:${partnerPubkey}`
+
+      const putRequest = store.put(
+        this.formatValue(key, {
+          partnerPubkey,
+          lastMessageAt,
+          lastMessagePreview,
+          encryptionType
+        })
+      )
+      putRequest.onsuccess = () => {
+        transaction.commit()
+        resolve()
+      }
+
+      putRequest.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  async getDMConversations(
+    userPubkey: string
+  ): Promise<
+    Array<{
+      partnerPubkey: string
+      lastMessageAt: number
+      lastMessagePreview: string
+      encryptionType: 'nip04' | 'nip17' | null
+    }>
+  > {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.DM_CONVERSATIONS, 'readonly')
+      const store = transaction.objectStore(StoreNames.DM_CONVERSATIONS)
+      const request = store.openCursor()
+      const conversations: Array<{
+        partnerPubkey: string
+        lastMessageAt: number
+        lastMessagePreview: string
+        encryptionType: 'nip04' | 'nip17' | null
+      }> = []
+
+      request.onsuccess = (event) => {
+        const cursor = (event.target as IDBRequest).result
+        if (cursor) {
+          const key = cursor.key as string
+          if (key.startsWith(`${userPubkey}:`)) {
+            const value = (cursor.value as TValue).value
+            if (value) {
+              conversations.push(value)
+            }
+          }
+          cursor.continue()
+        } else {
+          transaction.commit()
+          // Sort by lastMessageAt descending
+          conversations.sort((a, b) => b.lastMessageAt - a.lastMessageAt)
+          resolve(conversations)
+        }
+      }
+
+      request.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  async putConversationRelaySettings(
+    userPubkey: string,
+    partnerPubkey: string,
+    selectedRelays: string[]
+  ): Promise<void> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.DM_CONVERSATIONS, 'readwrite')
+      const store = transaction.objectStore(StoreNames.DM_CONVERSATIONS)
+      const key = `${userPubkey}:${partnerPubkey}:relays`
+
+      const putRequest = store.put(this.formatValue(key, { selectedRelays }))
+      putRequest.onsuccess = () => {
+        transaction.commit()
+        resolve()
+      }
+
+      putRequest.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  async getConversationRelaySettings(
+    userPubkey: string,
+    partnerPubkey: string
+  ): Promise<string[] | null> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.DM_CONVERSATIONS, 'readonly')
+      const store = transaction.objectStore(StoreNames.DM_CONVERSATIONS)
+      const key = `${userPubkey}:${partnerPubkey}:relays`
+      const request = store.get(key)
+
+      request.onsuccess = () => {
+        transaction.commit()
+        const result = (request.result as TValue)?.value
+        resolve(result?.selectedRelays ?? null)
+      }
+
+      request.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  async putConversationEncryptionPreference(
+    userPubkey: string,
+    partnerPubkey: string,
+    preference: 'nip04' | 'nip17' | 'auto'
+  ): Promise<void> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.DM_CONVERSATIONS, 'readwrite')
+      const store = transaction.objectStore(StoreNames.DM_CONVERSATIONS)
+      const key = `${userPubkey}:${partnerPubkey}:encryption`
+
+      const putRequest = store.put(this.formatValue(key, { preference }))
+      putRequest.onsuccess = () => {
+        transaction.commit()
+        resolve()
+      }
+
+      putRequest.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  async getConversationEncryptionPreference(
+    userPubkey: string,
+    partnerPubkey: string
+  ): Promise<'nip04' | 'nip17' | 'auto' | null> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.DM_CONVERSATIONS, 'readonly')
+      const store = transaction.objectStore(StoreNames.DM_CONVERSATIONS)
+      const key = `${userPubkey}:${partnerPubkey}:encryption`
+      const request = store.get(key)
+
+      request.onsuccess = () => {
+        transaction.commit()
+        const result = (request.result as TValue)?.value
+        resolve(result?.preference ?? null)
+      }
+
+      request.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  async putConversationMessages(
+    userPubkey: string,
+    partnerPubkey: string,
+    messages: Array<{
+      id: string
+      senderPubkey: string
+      recipientPubkey: string
+      content: string
+      createdAt: number
+      encryptionType: 'nip04' | 'nip17'
+      seenOnRelays?: string[]
+    }>
+  ): Promise<void> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.DM_MESSAGES, 'readwrite')
+      const store = transaction.objectStore(StoreNames.DM_MESSAGES)
+      const key = `${userPubkey}:${partnerPubkey}`
+
+      const putRequest = store.put(this.formatValue(key, messages))
+      putRequest.onsuccess = () => {
+        transaction.commit()
+        resolve()
+      }
+
+      putRequest.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  async getConversationMessages(
+    userPubkey: string,
+    partnerPubkey: string
+  ): Promise<
+    Array<{
+      id: string
+      senderPubkey: string
+      recipientPubkey: string
+      content: string
+      createdAt: number
+      encryptionType: 'nip04' | 'nip17'
+      seenOnRelays?: string[]
+    }> | null
+  > {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.DM_MESSAGES, 'readonly')
+      const store = transaction.objectStore(StoreNames.DM_MESSAGES)
+      const key = `${userPubkey}:${partnerPubkey}`
+      const request = store.get(key)
+
+      request.onsuccess = () => {
+        transaction.commit()
+        resolve((request.result as TValue)?.value ?? null)
+      }
+
+      request.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  /**
+   * Cache an unwrapped NIP-17 gift wrap inner event
+   * This avoids repeated decryption just to identify the sender
+   */
+  async putUnwrappedGiftWrap(
+    giftWrapId: string,
+    innerEvent: {
+      pubkey: string // actual sender
+      recipientPubkey: string
+      content: string
+      createdAt: number
+    }
+  ): Promise<void> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.UNWRAPPED_GIFT_WRAPS, 'readwrite')
+      const store = transaction.objectStore(StoreNames.UNWRAPPED_GIFT_WRAPS)
+
+      const putRequest = store.put(this.formatValue(giftWrapId, innerEvent))
+      putRequest.onsuccess = () => {
+        transaction.commit()
+        resolve()
+      }
+
+      putRequest.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  /**
+   * Get a cached unwrapped NIP-17 gift wrap inner event
+   */
+  async getUnwrappedGiftWrap(
+    giftWrapId: string
+  ): Promise<{
+    pubkey: string
+    recipientPubkey: string
+    content: string
+    createdAt: number
+  } | null> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.UNWRAPPED_GIFT_WRAPS, 'readonly')
+      const store = transaction.objectStore(StoreNames.UNWRAPPED_GIFT_WRAPS)
+      const request = store.get(giftWrapId)
+
+      request.onsuccess = () => {
+        transaction.commit()
+        resolve((request.result as TValue)?.value ?? null)
+      }
+
+      request.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  /**
+   * Clear all DM-related caches (for full refresh)
+   */
+  async clearAllDMCaches(): Promise<void> {
+    await this.initPromise
+    if (!this.db) {
+      return
+    }
+
+    const storeNames = [
+      StoreNames.DM_EVENTS,
+      StoreNames.DM_CONVERSATIONS,
+      StoreNames.DM_MESSAGES,
+      StoreNames.UNWRAPPED_GIFT_WRAPS,
+      StoreNames.DECRYPTED_CONTENTS
+    ]
+
+    const transaction = this.db.transaction(storeNames, 'readwrite')
+
+    await Promise.all(
+      storeNames.map(
+        (storeName) =>
+          new Promise<void>((resolve, reject) => {
+            const store = transaction.objectStore(storeName)
+            const request = store.clear()
+            request.onsuccess = () => resolve()
+            request.onerror = (event) => reject(event)
+          })
+      )
+    )
+
+    transaction.commit()
+  }
+
+  /**
+   * Get the deleted messages state for a user (local cache only)
+   */
+  async getDeletedMessagesState(pubkey: string): Promise<TDMDeletedState | null> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.DM_DELETED_STATE, 'readonly')
+      const store = transaction.objectStore(StoreNames.DM_DELETED_STATE)
+      const request = store.get(pubkey)
+
+      request.onsuccess = () => {
+        transaction.commit()
+        resolve((request.result as TValue<TDMDeletedState>)?.value ?? null)
+      }
+
+      request.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
+  /**
+   * Store the deleted messages state for a user (local cache)
+   */
+  async putDeletedMessagesState(pubkey: string, state: TDMDeletedState): Promise<void> {
+    await this.initPromise
+    return new Promise((resolve, reject) => {
+      if (!this.db) {
+        return reject('database not initialized')
+      }
+      const transaction = this.db.transaction(StoreNames.DM_DELETED_STATE, 'readwrite')
+      const store = transaction.objectStore(StoreNames.DM_DELETED_STATE)
+
+      const putRequest = store.put(this.formatValue(pubkey, state))
+      putRequest.onsuccess = () => {
+        transaction.commit()
+        resolve()
+      }
+
+      putRequest.onerror = (event) => {
+        transaction.commit()
+        reject(event)
+      }
+    })
+  }
+
   private getReplaceableEventKeyFromEvent(event: Event): string {
     if (
       [kinds.Metadata, kinds.Contacts].includes(event.kind) ||
diff --git a/src/services/local-storage.service.ts b/src/services/local-storage.service.ts
index 34eefc3b..da8c0b7e 100644
--- a/src/services/local-storage.service.ts
+++ b/src/services/local-storage.service.ts
@@ -60,6 +60,8 @@ class LocalStorageService {
   private quickReaction: boolean = false
   private quickReactionEmoji: string | TEmoji = '+'
   private nsfwDisplayPolicy: TNsfwDisplayPolicy = NSFW_DISPLAY_POLICY.HIDE_CONTENT
+  private preferNip44: boolean = false
+  private dmConversationFilter: 'all' | 'follows' = 'all'
 
   constructor() {
     if (!LocalStorageService.instance) {
@@ -248,6 +250,10 @@ class LocalStorageService {
       this.quickReactionEmoji = quickReactionEmojiStr
     }
 
+    this.preferNip44 = window.localStorage.getItem(StorageKey.PREFER_NIP44) === 'true'
+    this.dmConversationFilter =
+      (window.localStorage.getItem(StorageKey.DM_CONVERSATION_FILTER) as 'all' | 'follows') || 'all'
+
     // Clean up deprecated data
     window.localStorage.removeItem(StorageKey.PINNED_PUBKEYS)
     window.localStorage.removeItem(StorageKey.ACCOUNT_PROFILE_EVENT_MAP)
@@ -586,6 +592,49 @@ class LocalStorageService {
     this.nsfwDisplayPolicy = policy
     window.localStorage.setItem(StorageKey.NSFW_DISPLAY_POLICY, policy)
   }
+
+  getPreferNip44() {
+    return this.preferNip44
+  }
+
+  setPreferNip44(prefer: boolean) {
+    this.preferNip44 = prefer
+    window.localStorage.setItem(StorageKey.PREFER_NIP44, prefer.toString())
+  }
+
+  getDMConversationFilter() {
+    return this.dmConversationFilter
+  }
+
+  setDMConversationFilter(filter: 'all' | 'follows') {
+    this.dmConversationFilter = filter
+    window.localStorage.setItem(StorageKey.DM_CONVERSATION_FILTER, filter)
+  }
+
+  getDMLastSeenTimestamp(pubkey: string): number {
+    const mapStr = window.localStorage.getItem(StorageKey.DM_LAST_SEEN_TIMESTAMP)
+    if (!mapStr) return 0
+    try {
+      const map = JSON.parse(mapStr) as Record<string, number>
+      return map[pubkey] ?? 0
+    } catch {
+      return 0
+    }
+  }
+
+  setDMLastSeenTimestamp(pubkey: string, timestamp: number) {
+    const mapStr = window.localStorage.getItem(StorageKey.DM_LAST_SEEN_TIMESTAMP)
+    let map: Record<string, number> = {}
+    if (mapStr) {
+      try {
+        map = JSON.parse(mapStr)
+      } catch {
+        // ignore
+      }
+    }
+    map[pubkey] = timestamp
+    window.localStorage.setItem(StorageKey.DM_LAST_SEEN_TIMESTAMP, JSON.stringify(map))
+  }
 }
 
 const instance = new LocalStorageService()
diff --git a/src/types/index.d.ts b/src/types/index.d.ts
index 99e26fd0..86fd46e5 100644
--- a/src/types/index.d.ts
+++ b/src/types/index.d.ts
@@ -89,6 +89,10 @@ export type TNip07 = {
     encrypt?: (pubkey: string, plainText: string) => Promise<string>
     decrypt?: (pubkey: string, cipherText: string) => Promise<string>
   }
+  nip44?: {
+    encrypt?: (pubkey: string, plainText: string) => Promise<string>
+    decrypt?: (pubkey: string, cipherText: string) => Promise<string>
+  }
 }
 
 export interface ISigner {
@@ -96,6 +100,8 @@ export interface ISigner {
   signEvent: (draftEvent: TDraftEvent) => Promise<VerifiedEvent>
   nip04Encrypt: (pubkey: string, plainText: string) => Promise<string>
   nip04Decrypt: (pubkey: string, cipherText: string) => Promise<string>
+  nip44Encrypt?: (pubkey: string, plainText: string) => Promise<string>
+  nip44Decrypt?: (pubkey: string, cipherText: string) => Promise<string>
 }
 
 export type TSignerType = 'nsec' | 'nip-07' | 'browser-nsec' | 'ncryptsec' | 'npub' | 'bunker'
@@ -221,4 +227,41 @@ export type TSyncSettings = {
   quickReaction?: boolean
   quickReactionEmoji?: string | TEmoji
   noteListMode?: TNoteListMode
+  preferNip44?: boolean
+}
+
+// DM types
+export type TDMEncryptionType = 'nip04' | 'nip17'
+
+export interface TConversation {
+  partnerPubkey: string
+  lastMessageAt: number
+  lastMessagePreview: string
+  unreadCount: number
+  preferredEncryption: TDMEncryptionType | null
+}
+
+export interface TDirectMessage {
+  id: string
+  senderPubkey: string
+  recipientPubkey: string
+  content: string
+  createdAt: number
+  encryptionType: TDMEncryptionType
+  event: Event
+  decryptedContent?: string
+  seenOnRelays?: string[]
+}
+
+// Deleted messages state (stored in kind 30078 Application Specific Data)
+export interface TDMDeletedState {
+  // Specific message IDs to ignore
+  deletedIds: string[]
+  // Timestamp ranges to ignore per conversation
+  deletedRanges: {
+    [partnerPubkey: string]: Array<{
+      start: number // timestamp
+      end: number // timestamp
+    }>
+  }
 }