diff --git a/testutil/testdata/tx.go b/testutil/testdata/tx.go
index 1538460830..b4ffb93e82 100644
--- a/testutil/testdata/tx.go
+++ b/testutil/testdata/tx.go
@@ -23,7 +23,7 @@ func NewTestFeeAmount() sdk.Coins {
 
 // NewTestGasLimit is a test fee gas limit.
 func NewTestGasLimit() uint64 {
-	return 100000
+	return 120000
 }
 
 // NewTestMsg creates a message for testing with the given signers.
diff --git a/x/auth/ante/ante_test.go b/x/auth/ante/ante_test.go
index 7659f3e104..020b7f630b 100644
--- a/x/auth/ante/ante_test.go
+++ b/x/auth/ante/ante_test.go
@@ -1091,9 +1091,9 @@ func (suite *AnteTestSuite) TestAnteHandlerReCheck() {
 		name   string
 		params types.Params
 	}{
-		{"memo size check", types.NewParams(1, types.DefaultTxSigLimit, types.DefaultTxSizeCostPerByte, types.DefaultSigVerifyCostED25519, types.DefaultSigVerifyCostSecp256k1)},
-		{"txsize check", types.NewParams(types.DefaultMaxMemoCharacters, types.DefaultTxSigLimit, 10000000, types.DefaultSigVerifyCostED25519, types.DefaultSigVerifyCostSecp256k1)},
-		{"sig verify cost check", types.NewParams(types.DefaultMaxMemoCharacters, types.DefaultTxSigLimit, types.DefaultTxSizeCostPerByte, types.DefaultSigVerifyCostED25519, 100000000)},
+		{"memo size check", types.NewParams(1, types.DefaultTxSigLimit, types.DefaultTxSizeCostPerByte, types.DefaultSigVerifyCostED25519, types.DefaultSigVerifyCostSecp256k1, types.DefaultSigVerifyCostBls12381)},
+		{"txsize check", types.NewParams(types.DefaultMaxMemoCharacters, types.DefaultTxSigLimit, 10000000, types.DefaultSigVerifyCostED25519, types.DefaultSigVerifyCostSecp256k1, types.DefaultSigVerifyCostBls12381)},
+		{"sig verify cost check secp256k1", types.NewParams(types.DefaultMaxMemoCharacters, types.DefaultTxSigLimit, types.DefaultTxSizeCostPerByte, types.DefaultSigVerifyCostED25519, 100000000, types.DefaultSigVerifyCostBls12381)},
 	}
 	for _, tc := range testCases {
 		// set testcase parameters
diff --git a/x/auth/types/params_test.go b/x/auth/types/params_test.go
index fcec36cb83..854514499f 100644
--- a/x/auth/types/params_test.go
+++ b/x/auth/types/params_test.go
@@ -26,15 +26,17 @@ func TestParams_Validate(t *testing.T) {
 	}{
 		{"default params", types.DefaultParams(), nil},
 		{"invalid tx signature limit", types.NewParams(types.DefaultMaxMemoCharacters, 0, types.DefaultTxSizeCostPerByte,
-			types.DefaultSigVerifyCostED25519, types.DefaultSigVerifyCostSecp256k1), fmt.Errorf("invalid tx signature limit: 0")},
+			types.DefaultSigVerifyCostED25519, types.DefaultSigVerifyCostSecp256k1, types.DefaultSigVerifyCostBls12381), fmt.Errorf("invalid tx signature limit: 0")},
 		{"invalid ED25519 signature verification cost", types.NewParams(types.DefaultMaxMemoCharacters, types.DefaultTxSigLimit, types.DefaultTxSizeCostPerByte,
-			0, types.DefaultSigVerifyCostSecp256k1), fmt.Errorf("invalid ED25519 signature verification cost: 0")},
+			0, types.DefaultSigVerifyCostSecp256k1, types.DefaultSigVerifyCostBls12381), fmt.Errorf("invalid ED25519 signature verification cost: 0")},
 		{"invalid SECK256k1 signature verification cost", types.NewParams(types.DefaultMaxMemoCharacters, types.DefaultTxSigLimit, types.DefaultTxSizeCostPerByte,
-			types.DefaultSigVerifyCostED25519, 0), fmt.Errorf("invalid SECK256k1 signature verification cost: 0")},
+			types.DefaultSigVerifyCostED25519, 0, types.DefaultSigVerifyCostBls12381), fmt.Errorf("invalid SECK256k1 signature verification cost: 0")},
+		{"invalid BLS12381 signature verification cost", types.NewParams(types.DefaultMaxMemoCharacters, types.DefaultTxSigLimit, types.DefaultTxSizeCostPerByte,
+			types.DefaultSigVerifyCostED25519, types.DefaultSigVerifyCostSecp256k1, 0), fmt.Errorf("invalid BLS12381 signature verification cost: 0")},
 		{"invalid max memo characters", types.NewParams(0, types.DefaultTxSigLimit, types.DefaultTxSizeCostPerByte,
-			types.DefaultSigVerifyCostED25519, types.DefaultSigVerifyCostSecp256k1), fmt.Errorf("invalid max memo characters: 0")},
+			types.DefaultSigVerifyCostED25519, types.DefaultSigVerifyCostSecp256k1, types.DefaultSigVerifyCostBls12381), fmt.Errorf("invalid max memo characters: 0")},
 		{"invalid tx size cost per byte", types.NewParams(types.DefaultMaxMemoCharacters, types.DefaultTxSigLimit, 0,
-			types.DefaultSigVerifyCostED25519, types.DefaultSigVerifyCostSecp256k1), fmt.Errorf("invalid tx size cost per byte: 0")},
+			types.DefaultSigVerifyCostED25519, types.DefaultSigVerifyCostSecp256k1, types.DefaultSigVerifyCostBls12381), fmt.Errorf("invalid tx size cost per byte: 0")},
 	}
 	for _, tt := range tests {
 		tt := tt