diff --git a/signer/signer.go b/signer/signer.go
index e20e42b..abbaf84 100644
--- a/signer/signer.go
+++ b/signer/signer.go
@@ -1,42 +1,16 @@
-// Package signer defines server for management of signatures, used to
-// abstract the signature algorithm from the usage.
+// Package signer provides implementations of the signer interface from
+// next.orly.dev/pkg/interfaces/signer, used to abstract the signature algorithm
+// from the usage.
 package signer
 
-// I is an interface for a key pair for signing, created to abstract between a CGO fast BIP-340
-// signature library and the slower btcec library.
-type I interface {
-	// Generate creates a fresh new key pair from system entropy, and ensures it is even (so
-	// ECDH works).
-	Generate() (err error)
-	// InitSec initialises the secret (signing) key from the raw bytes, and also
-	// derives the public key because it can.
-	InitSec(sec []byte) (err error)
-	// InitPub initializes the public (verification) key from raw bytes, this is
-	// expected to be an x-only 32 byte pubkey.
-	InitPub(pub []byte) (err error)
-	// Sec returns the secret key bytes.
-	Sec() []byte
-	// Pub returns the public key bytes (x-only schnorr pubkey).
-	Pub() []byte
-	// Sign creates a signature using the stored secret key.
-	Sign(msg []byte) (sig []byte, err error)
-	// Verify checks a message hash and signature match the stored public key.
-	Verify(msg, sig []byte) (valid bool, err error)
-	// Zero wipes the secret key to prevent memory leaks.
-	Zero()
-	// ECDH returns a shared secret derived using Elliptic Curve Diffie-Hellman on
-	// the I secret and provided pubkey.
-	ECDH(pub []byte) (secret []byte, err error)
-}
+import (
+	orlysigner "next.orly.dev/pkg/interfaces/signer"
+)
 
-// Gen is an interface for nostr BIP-340 key generation.
-type Gen interface {
-	// Generate gathers entropy and derives pubkey bytes for matching, this returns the 33 byte
-	// compressed form for checking the oddness of the Y coordinate.
-	Generate() (pubBytes []byte, err error)
-	// Negate flips the public key Y coordinate between odd and even.
-	Negate()
-	// KeyPairBytes returns the raw bytes of the secret and public key, this returns the 32 byte
-	// X-only pubkey.
-	KeyPairBytes() (secBytes, cmprPubBytes []byte)
-}
+// I is an alias for the signer interface from next.orly.dev/pkg/interfaces/signer.
+// This allows this package to be used as a drop-in replacement in orly.
+type I = orlysigner.I
+
+// Gen is an alias for the Gen interface from next.orly.dev/pkg/interfaces/signer.
+// This allows this package to be used as a drop-in replacement in orly.
+type Gen = orlysigner.Gen