diff --git a/CHANGELOG.md b/CHANGELOG.md
index 19cee17569..2ffde5de99 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@
 * [#1464](https://github.com/crypto-org-chain/cronos/pull/1464) Update cosmos-sdk to `v0.50.7`.
 * (rpc) [#1467](https://github.com/crypto-org-chain/cronos/pull/1467) Avoid unnecessary tx decode in tx listener.
 * [#1484](https://github.com/crypto-org-chain/cronos/pull/1484) Respect gas wanted returned by ante handler.
+* [#1488](https://github.com/crypto-org-chain/cronos/pull/1488) Enable optimistic execution.
 
 ### Bug Fixes
 
diff --git a/app/app.go b/app/app.go
index e213077fe9..678ccc0a7b 100644
--- a/app/app.go
+++ b/app/app.go
@@ -384,6 +384,10 @@ func New(
 
 	homePath := cast.ToString(appOpts.Get(flags.FlagHome))
 	baseAppOptions = memiavlstore.SetupMemIAVL(logger, homePath, appOpts, false, false, baseAppOptions)
+
+	// enable optimistic execution
+	baseAppOptions = append(baseAppOptions, baseapp.SetOptimisticExecution())
+
 	// NOTE we use custom transaction decoder that supports the sdk.Tx interface instead of sdk.StdTx
 	bApp := baseapp.NewBaseApp(Name, logger, db, txConfig.TxDecoder(), baseAppOptions...)