diff --git a/x/auth/ante/sigverify.go b/x/auth/ante/sigverify.go
index ce2a0d0b75d8..49f91c56c782 100644
--- a/x/auth/ante/sigverify.go
+++ b/x/auth/ante/sigverify.go
@@ -69,22 +69,24 @@ type AccountAbstractionKeeper interface {
 //
 // CONTRACT: Tx must implement SigVerifiableTx interface
 type SigVerificationDecorator struct {
-	ak              AccountKeeper
-	aaKeeper        AccountAbstractionKeeper
-	signModeHandler *txsigning.HandlerMap
-	sigGasConsumer  SignatureVerificationGasConsumer
+	ak                   AccountKeeper
+	aaKeeper             AccountAbstractionKeeper
+	signModeHandler      *txsigning.HandlerMap
+	sigGasConsumer       SignatureVerificationGasConsumer
+	extraVerifyIsOnCurve func(pubKey cryptotypes.PubKey) (bool, error)
 }
 
 func NewSigVerificationDecorator(ak AccountKeeper, signModeHandler *txsigning.HandlerMap, sigGasConsumer SignatureVerificationGasConsumer, aaKeeper AccountAbstractionKeeper) SigVerificationDecorator {
-	return NewSigVerificationDecoratorWithVerifyOnCurve(ak, signModeHandler, sigGasConsumer, aaKeeper)
+	return NewSigVerificationDecoratorWithVerifyOnCurve(ak, signModeHandler, sigGasConsumer, aaKeeper, nil)
 }
 
-func NewSigVerificationDecoratorWithVerifyOnCurve(ak AccountKeeper, signModeHandler *txsigning.HandlerMap, sigGasConsumer SignatureVerificationGasConsumer, aaKeeper AccountAbstractionKeeper) SigVerificationDecorator {
+func NewSigVerificationDecoratorWithVerifyOnCurve(ak AccountKeeper, signModeHandler *txsigning.HandlerMap, sigGasConsumer SignatureVerificationGasConsumer, aaKeeper AccountAbstractionKeeper, verifyFn func(pubKey cryptotypes.PubKey) (bool, error)) SigVerificationDecorator {
 	return SigVerificationDecorator{
-		aaKeeper:        aaKeeper,
-		ak:              ak,
-		signModeHandler: signModeHandler,
-		sigGasConsumer:  sigGasConsumer,
+		aaKeeper:             aaKeeper,
+		ak:                   ak,
+		signModeHandler:      signModeHandler,
+		sigGasConsumer:       sigGasConsumer,
+		extraVerifyIsOnCurve: verifyFn,
 	}
 }
 
@@ -110,6 +112,12 @@ func OnlyLegacyAminoSigners(sigData signing.SignatureData) bool {
 }
 
 func (svd SigVerificationDecorator) VerifyIsOnCurve(pubKey cryptotypes.PubKey) error {
+	if svd.extraVerifyIsOnCurve != nil {
+		handled, err := svd.extraVerifyIsOnCurve(pubKey)
+		if handled {
+			return err
+		}
+	}
 	// when simulating pubKey.Key will always be nil
 	if pubKey.Bytes() == nil {
 		return nil