diff --git a/_scripts/cache-issue.ts b/_scripts/cache-issue.ts
index 9db31cb..5e66f45 100644
--- a/_scripts/cache-issue.ts
+++ b/_scripts/cache-issue.ts
@@ -24,7 +24,7 @@ async function main() {
   });
 
   const swcClient = SwClientFactory.memCacheClient(arweave);
-  LoggerFactory.INST.logLevel('debug');
+  LoggerFactory.INST.logLevel('trace');
 
   const contractTxId = 'W_njBtwDRyltjVU1RizJtZfF0S_4X3aSrrrA0HUEhUs';
   const contractTxId2 = 'TMkCZKYO3GwcTLEKGgWSJegIlYCHi_UArtG0unCi2xA';
diff --git a/_scripts/state-comparator.ts b/_scripts/state-comparator.ts
index 227d13f..a82ddfb 100644
--- a/_scripts/state-comparator.ts
+++ b/_scripts/state-comparator.ts
@@ -215,7 +215,7 @@ async function main() {
       logger.info('skipping ', contractTxId);
       errorContractTxIds.push(contractTxId);
     } finally {
-      logger.debug('Contracts with different states: %o', differentStatesContractTxIds);
+      logger.debug('Contracts with different states:', differentStatesContractTxIds);
       logger.info('\n\n ==== END');
     }
   }
@@ -268,7 +268,7 @@ async function getNextPage(arweave, variables) {
     variables
   });
 
-  logger.verbose('Status:', response.status);
+  logger.debug('Status:', response.status);
   if (response.status !== 200) {
     throw new Error('Wrong response from Ar GQL');
   }
diff --git a/_scripts/swc-stats.ts b/_scripts/swc-stats.ts
index a971bee..33e01e3 100644
--- a/_scripts/swc-stats.ts
+++ b/_scripts/swc-stats.ts
@@ -113,7 +113,7 @@ async function main() {
   const sortedContracts = {};
   sortable.forEach((item) => (sortedContracts[item[0]] = item[1]));
 
-  logger.debug('%o', sortedContracts);
+  logger.debug(sortedContracts);
 
   fs.writeFileSync(path.join(__dirname, `swc-sorted-stats.json`), JSON.stringify(sortedContracts));
 }
diff --git a/package.json b/package.json
index 9cdf2d9..605f5ce 100644
--- a/package.json
+++ b/package.json
@@ -49,6 +49,7 @@
     "bignumber.js": "^9.0.1",
     "bson": "^4.5.0",
     "json-beautify": "^1.1.1",
+    "tslog": "^3.2.1",
     "winston": "^3.3.3"
   },
   "devDependencies": {
diff --git a/src/cache/impl/BsonFileBlockHeightCache.ts b/src/cache/impl/BsonFileBlockHeightCache.ts
index 019d66e..54da4df 100644
--- a/src/cache/impl/BsonFileBlockHeightCache.ts
+++ b/src/cache/impl/BsonFileBlockHeightCache.ts
@@ -91,7 +91,7 @@ export class BsonFileBlockHeightSwCache<V = any> implements BlockHeightSwCache<V
 
     // TODO: switch to async, as currently writing cache files may slow down contract execution.
     try {
-      logger.verbose(`==== Storing cache update [${Object.keys(this.updatedStorage).length}] ====`);
+      logger.debug(`==== Storing cache update [${Object.keys(this.updatedStorage).length}] ====`);
       const directoryPath = this.basePath;
       Object.keys(this.updatedStorage).forEach((key) => {
         const directory = key;
diff --git a/src/client/HandlerBasedSwcClient.ts b/src/client/HandlerBasedSwcClient.ts
index 6ecbd06..edfbd43 100644
--- a/src/client/HandlerBasedSwcClient.ts
+++ b/src/client/HandlerBasedSwcClient.ts
@@ -42,7 +42,7 @@ export class HandlerBasedSwcClient implements SwcClient {
     currentTx?: { interactionTxId: string; contractTxId: string }[],
     evaluationOptions?: EvaluationOptions
   ): Promise<EvalStateResult<State>> {
-    logger.info('Read state for %s', contractTxId);
+    logger.info(`Read state for ${contractTxId}`);
     logger.profile('Creating execution context');
     const executionContext = await this.createExecutionContext(contractTxId, blockHeight, evaluationOptions);
     logger.profile('Creating execution context');
@@ -62,7 +62,7 @@ export class HandlerBasedSwcClient implements SwcClient {
     blockHeight?: number,
     evaluationOptions?: EvaluationOptions
   ): Promise<InteractionResult<any, View>> {
-    logger.info('View state for %s', contractTxId);
+    logger.info(`View state for ${contractTxId}`);
     logger.profile('Creating execution context');
     let executionContext = await this.createExecutionContext(contractTxId, blockHeight, evaluationOptions);
     logger.profile('Creating execution context');
@@ -121,7 +121,7 @@ export class HandlerBasedSwcClient implements SwcClient {
     transaction: InteractionTx,
     evaluationOptions?: EvaluationOptions
   ): Promise<InteractionResult<any, View>> {
-    logger.info('Vies state for %s %o', contractTxId, transaction);
+    logger.info(`Vies state for ${contractTxId}`, transaction);
     logger.profile('Creating execution context');
     const executionContext = await this.createExecutionContextFromTx(contractTxId, transaction);
     logger.profile('Creating execution context');
diff --git a/src/core/impl/ContractDefinitionLoader.ts b/src/core/impl/ContractDefinitionLoader.ts
index 596a2b9..8776a7d 100644
--- a/src/core/impl/ContractDefinitionLoader.ts
+++ b/src/core/impl/ContractDefinitionLoader.ts
@@ -13,7 +13,7 @@ export class ContractDefinitionLoader<State = any> implements DefinitionLoader<S
 
   async load(contractTxId: string, forcedSrcTxId?: string): Promise<ContractDefinition<State>> {
     if (!forcedSrcTxId && this.cache?.contains(contractTxId)) {
-      logger.verbose('ContractDefinitionLoader: Hit from cache!');
+      logger.debug('ContractDefinitionLoader: Hit from cache!');
       return Promise.resolve(this.cache?.get(contractTxId));
     }
 
diff --git a/src/core/impl/ContractInteractionsLoader.ts b/src/core/impl/ContractInteractionsLoader.ts
index 6dcb9f3..ea3f4cb 100644
--- a/src/core/impl/ContractInteractionsLoader.ts
+++ b/src/core/impl/ContractInteractionsLoader.ts
@@ -94,7 +94,7 @@ export class ContractInteractionsLoader implements InteractionsLoader {
       txInfos.push(...transactions.edges.filter((tx) => !tx.node.parent || !tx.node.parent.id));
     }
 
-    logger.verbose('All interactions: %s', txInfos.length);
+    logger.debug('All interactions:', txInfos.length);
 
     return txInfos;
   }
diff --git a/src/core/impl/DefaultStateEvaluator.ts b/src/core/impl/DefaultStateEvaluator.ts
index 44d859b..4a075f2 100644
--- a/src/core/impl/DefaultStateEvaluator.ts
+++ b/src/core/impl/DefaultStateEvaluator.ts
@@ -47,14 +47,11 @@ export class DefaultStateEvaluator<State = unknown> implements StateEvaluator<St
     const validity = JSON.parse(JSON.stringify(baseState.validity));
 
     logger.info(
-      'Evaluating state for %s [%s non-cached of %s all]',
-      executionContext.contractDefinition.txId,
-      missingInteractions.length,
-      executionContext.sortedInteractions.length
+      `Evaluating state for ${executionContext.contractDefinition.txId} [${missingInteractions.length} non-cached of ${executionContext.sortedInteractions.length} all]`
     );
 
     for (const missingInteraction of missingInteractions) {
-      logger.verbose(
+      logger.debug(
         `${missingInteraction.node.id}: ${missingInteractions.indexOf(missingInteraction) + 1}/${
           missingInteractions.length
         } [of all:${executionContext.sortedInteractions.length}]`
diff --git a/src/core/impl/HandlerExecutorFactory.ts b/src/core/impl/HandlerExecutorFactory.ts
index bf4c9e8..1cc8783 100644
--- a/src/core/impl/HandlerExecutorFactory.ts
+++ b/src/core/impl/HandlerExecutorFactory.ts
@@ -56,7 +56,7 @@ export class HandlerExecutorFactory<State = any> implements ExecutorFactory<Stat
         try {
           const stateCopy = JSON.parse(JSON.stringify(state));
           swGlobal._activeTx = interactionTx;
-          logger.debug('SmartWeave.contract.id: %s', swGlobal.contract.id);
+          logger.debug(`SmartWeave.contract.id: ${swGlobal.contract.id}`, swGlobal.contract.id);
 
           self.assignReadContractState(swGlobal, contractDefinition, interaction, executionContext, currentTx);
           self.assignViewContractState(swGlobal, contractDefinition, executionContext);
@@ -99,7 +99,7 @@ export class HandlerExecutorFactory<State = any> implements ExecutorFactory<Stat
     executionContext: ExecutionContext<State, HandlerApi<State>>
   ) {
     swGlobal.contracts.viewContractState = async <View>(contractTxId: string, input: any) => {
-      logger.verbose('swGlobal.viewContractState call: %o', {
+      logger.debug('swGlobal.viewContractState call:', {
         from: contractDefinition.txId,
         to: contractTxId,
         input
@@ -116,7 +116,7 @@ export class HandlerExecutorFactory<State = any> implements ExecutorFactory<Stat
     currentTx: { interactionTxId: string; contractTxId: string }[]
   ) {
     swGlobal.contracts.readContractState = async (contractTxId: string, height?: number, returnValidity?: boolean) => {
-      logger.verbose('swGlobal.readContractState call: ', {
+      logger.debug('swGlobal.readContractState call: ', {
         from: contractDefinition.txId,
         to: contractTxId,
         interaction
diff --git a/src/plugins/CacheableContractInteractionsLoader.ts b/src/plugins/CacheableContractInteractionsLoader.ts
index e9bc4df..a6c10ee 100644
--- a/src/plugins/CacheableContractInteractionsLoader.ts
+++ b/src/plugins/CacheableContractInteractionsLoader.ts
@@ -16,7 +16,7 @@ export class CacheableContractInteractionsLoader implements InteractionsLoader {
   ) {}
 
   async load(contractId: string, blockHeight: number): Promise<GQLEdgeInterface[]> {
-    logger.debug('Loading interactions %o', {
+    logger.debug('Loading interactions', {
       contractId,
       blockHeight
     });
@@ -24,7 +24,7 @@ export class CacheableContractInteractionsLoader implements InteractionsLoader {
     const cached = this.cache.get(contractId, blockHeight);
 
     if (cached !== null) {
-      logger.verbose('InteractionsLoader - hit from cache!');
+      logger.debug('InteractionsLoader - hit from cache!');
       return cached.cachedValue;
     } else {
       const result = await this.baseImplementation.load(contractId, blockHeight);
diff --git a/src/plugins/CacheableExecutorFactory.ts b/src/plugins/CacheableExecutorFactory.ts
index f7497e1..a1709ee 100644
--- a/src/plugins/CacheableExecutorFactory.ts
+++ b/src/plugins/CacheableExecutorFactory.ts
@@ -23,7 +23,7 @@ export class CacheableExecutorFactory<State, Api> implements ExecutorFactory<Sta
     // with the same source).
     const cacheKey = contractDefinition.txId;
     if (!this.cache.contains(cacheKey)) {
-      logger.verbose('Updating executor factory cache');
+      logger.debug('Updating executor factory cache');
       const handler = await this.baseImplementation.create(contractDefinition);
       this.cache.put(cacheKey, handler);
     }
diff --git a/src/plugins/CacheableStateEvaluator.ts b/src/plugins/CacheableStateEvaluator.ts
index 2bbd085..36e075c 100644
--- a/src/plugins/CacheableStateEvaluator.ts
+++ b/src/plugins/CacheableStateEvaluator.ts
@@ -29,7 +29,7 @@ export class CacheableStateEvaluator<State> extends DefaultStateEvaluator<State>
     currentTx: { interactionTxId: string; contractTxId: string }[]
   ): Promise<EvalStateResult<State>> {
     const requestedBlockHeight = executionContext.blockHeight;
-    logger.verbose(`Requested state block height: ${requestedBlockHeight}`);
+    logger.debug(`Requested state block height: ${requestedBlockHeight}`);
 
     let cachedState: BlockHeightCacheResult<EvalStateResult<State>> | null = null;
 
@@ -45,7 +45,7 @@ export class CacheableStateEvaluator<State> extends DefaultStateEvaluator<State>
       cachedState = this.cache.getLessOrEqual(executionContext.contractDefinition.txId, requestedBlockHeight);
 
       if (cachedState != null) {
-        logger.verbose(`Cached state for ${executionContext.contractDefinition.txId} %o`, {
+        logger.debug(`Cached state for ${executionContext.contractDefinition.txId}`, {
           block: cachedState.cachedHeight,
           requestedBlockHeight
         });
@@ -57,7 +57,7 @@ export class CacheableStateEvaluator<State> extends DefaultStateEvaluator<State>
         );
       }
 
-      logger.verbose(`Interactions until [${requestedBlockHeight}] %o`, {
+      logger.debug(`Interactions until [${requestedBlockHeight}]`, {
         total: sortedInteractionsUpToBlock.length,
         cached: sortedInteractionsUpToBlock.length - missingInteractions.length
       });
@@ -72,7 +72,7 @@ export class CacheableStateEvaluator<State> extends DefaultStateEvaluator<State>
         if (entry.contractTxId === executionContext.contractDefinition.txId) {
           const index = missingInteractions.findIndex((tx) => tx.node.id === entry.interactionTxId);
           if (index !== -1) {
-            logger.verbose('Inf. Loop fix - removing interaction %o', {
+            logger.debug('Inf. Loop fix - removing interaction', {
               contractTxId: entry.contractTxId,
               interactionTxId: entry.interactionTxId
             });
@@ -83,7 +83,7 @@ export class CacheableStateEvaluator<State> extends DefaultStateEvaluator<State>
 
       // if cache is up-to date - return immediately to speed-up the whole process
       if (missingInteractions.length === 0 && cachedState) {
-        logger.verbose(`State up to requested  height [${requestedBlockHeight}]  fully cached!`);
+        logger.debug(`State up to requested  height [${requestedBlockHeight}]  fully cached!`);
         return cachedState.cachedValue;
       }
     }
diff --git a/src/plugins/Evolve.ts b/src/plugins/Evolve.ts
index edda13e..bd08f36 100644
--- a/src/plugins/Evolve.ts
+++ b/src/plugins/Evolve.ts
@@ -44,7 +44,7 @@ export class Evolve<State extends EvolveCompatibleState, Api> implements Executi
 
   async modify(state: State, executionContext: ExecutionContext<State, Api>): Promise<ExecutionContext<State, Api>> {
     const contractTxId = executionContext.contractDefinition.txId;
-    logger.verbose(`trying to evolve for: ${contractTxId}`);
+    logger.debug(`trying to evolve for: ${contractTxId}`);
     const currentSrcTxId = executionContext.contractDefinition.srcTxId;
 
     const settings =
@@ -60,7 +60,7 @@ export class Evolve<State extends EvolveCompatibleState, Api> implements Executi
       canEvolve = true;
     }
     if (evolve && /[a-z0-9_-]{43}/i.test(evolve) && canEvolve) {
-      logger.debug('Checking evolve: %o', {
+      logger.debug('Checking evolve:', {
         current: currentSrcTxId,
         evolve
       });
@@ -68,7 +68,7 @@ export class Evolve<State extends EvolveCompatibleState, Api> implements Executi
       if (currentSrcTxId !== evolve) {
         try {
           // note: that's really nasty IMO - loading original contract definition, but forcing different sourceTxId...
-          logger.info('Evolving to: %s', evolve);
+          logger.info(`Evolving to: ${evolve}`);
           const newContractDefinition = await this.definitionLoader.load(contractTxId, evolve);
           const newHandler = await this.executorFactory.create(newContractDefinition);
 
@@ -77,7 +77,7 @@ export class Evolve<State extends EvolveCompatibleState, Api> implements Executi
             contractDefinition: newContractDefinition,
             handler: newHandler
           };
-          logger.verbose('evolved to: %o', {
+          logger.debug('evolved to:', {
             txId: modifiedContext.contractDefinition.txId,
             srcTxId: modifiedContext.contractDefinition.srcTxId
           });
diff --git a/yarn.lock b/yarn.lock
index dcb17ce..68d8fdd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5252,7 +5252,7 @@ smartweave@^0.4.41:
     sentencer "^0.2.1"
     yargs "^16.2.0"
 
-source-map-support@^0.5.6:
+source-map-support@^0.5.19, source-map-support@^0.5.6:
   version "0.5.19"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.19.tgz#a98b62f86dcaf4f67399648c085291ab9e8fed61"
   integrity sha512-Wonm7zOCIJzBGQdB+thsPar0kYuCIzYvxZwlBa87yi/Mdjv7Tip2cyVbLj5o0cFPN4EVkuTwb3GDDyUx2DGnGw==
@@ -5748,6 +5748,13 @@ tslib@^2.1.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.3.1.tgz#e8a335add5ceae51aa261d32a490158ef042ef01"
   integrity sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw==
 
+tslog@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/tslog/-/tslog-3.2.1.tgz#37df1301211901eb65fd61b9ad7c8554264a7699"
+  integrity sha512-m8wAtox9wt+h6UDcN1WAQnYwRDOGhMIOp+GAuuufo8T8qKuu726i2W3r47BrA69goVOwgUkp5YwDTvAxTktvPg==
+  dependencies:
+    source-map-support "^0.5.19"
+
 tsscmp@1.0.6:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/tsscmp/-/tsscmp-1.0.6.tgz#85b99583ac3589ec4bfef825b5000aa911d605eb"