diff --git a/go.mod b/go.mod
index ecb7472997..ff9dfe2ba0 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,7 @@ module github.com/evmos/ethermint
 go 1.18
 
 require (
+	cosmossdk.io/math v1.0.0-beta.3
 	github.com/armon/go-metrics v0.4.0
 	github.com/btcsuite/btcd v0.22.1
 	github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce
@@ -28,7 +29,7 @@ require (
 	github.com/spf13/cobra v1.5.0
 	github.com/spf13/viper v1.12.0
 	github.com/status-im/keycard-go v0.0.0-20200402102358-957c09536969
-	github.com/stretchr/testify v1.7.5
+	github.com/stretchr/testify v1.8.0
 	github.com/tendermint/tendermint v0.34.20-0.20220517115723-e6f071164839
 	github.com/tendermint/tm-db v0.6.7
 	github.com/tyler-smith/go-bip39 v1.1.0
diff --git a/go.sum b/go.sum
index c232619c2d..3f7022a8d6 100644
--- a/go.sum
+++ b/go.sum
@@ -56,6 +56,8 @@ cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RX
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 cloud.google.com/go/storage v1.14.0/go.mod h1:GrKmX003DSIwi9o29oFT7YDnHYwZoctc3fOKtUw0Xmo=
 collectd.org v0.3.0/go.mod h1:A/8DzQBkF6abtvrT2j/AU/4tiBgJWYyh0y/oB/4MlWE=
+cosmossdk.io/math v1.0.0-beta.3 h1:TbZxSopz2LqjJ7aXYfn7nJSb8vNaBklW6BLpcei1qwM=
+cosmossdk.io/math v1.0.0-beta.3/go.mod h1:3LYasri3Zna4XpbrTNdKsWmD5fHHkaNAod/mNT9XdE4=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 filippo.io/edwards25519 v1.0.0-beta.2 h1:/BZRNzm8N4K4eWfK28dL4yescorxtO7YG1yun8fy+pI=
 filippo.io/edwards25519 v1.0.0-beta.2/go.mod h1:X+pm78QAUPtFLi1z9PYIlS/bdDnvbCOGKtZ+ACWEf7o=
@@ -1053,8 +1055,8 @@ github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.7.5 h1:s5PTfem8p8EbKQOctVV53k6jCJt3UX4IEJzwh+C324Q=
-github.com/stretchr/testify v1.7.5/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/subosito/gotenv v1.3.0 h1:mjC+YW8QpAdXibNi+vNWgzmgBH4+5l5dCXv8cNysBLI=
 github.com/subosito/gotenv v1.3.0/go.mod h1:YzJjq/33h7nrwdY+iHMhEOEEbW0ovIz0tB6t6PwAXzs=
@@ -1743,4 +1745,5 @@ rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
+sigs.k8s.io/yaml v1.3.0 h1:a2VclLzOGrwOHDiV8EfBGhvjHvP46CtW5j6POvhYGGo=
 sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
diff --git a/rpc/backend/backend.go b/rpc/backend/backend.go
index d3c68246f3..b4af0099e9 100644
--- a/rpc/backend/backend.go
+++ b/rpc/backend/backend.go
@@ -51,7 +51,7 @@ type EVMBackend interface {
 	SetEtherbase(etherbase common.Address) bool
 	ImportRawKey(privkey, password string) (common.Address, error)
 	ListAccounts() ([]common.Address, error)
-	NewMnemonic(uid string, language keyring.Language, hdPath, bip39Passphrase string, algo keyring.SignatureAlgo) (*keyring.Record, error)
+	NewMnemonic(uid string, language keyring.Language, hdPath, bip39Passphrase string, algo keyring.SignatureAlgo) (keyring.Info, error)
 	UnprotectedAllowed() bool
 	RPCGasCap() uint64            // global gas cap for eth_call over rpc: DoS protection
 	RPCEVMTimeout() time.Duration // global timeout for eth_call over rpc: DoS protection
@@ -158,7 +158,6 @@ func NewBackend(ctx *server.Context, logger log.Logger, clientCtx client.Context
 			viper.GetString(flags.FlagKeyringBackend),
 			clientCtx.KeyringDir,
 			clientCtx.Input,
-			clientCtx.Codec,
 			hd.EthSecp256k1Option(),
 		)
 		if err != nil {
diff --git a/rpc/backend/backend_suite_test.go b/rpc/backend/backend_suite_test.go
index fa7efb0d8b..c977f7176c 100644
--- a/rpc/backend/backend_suite_test.go
+++ b/rpc/backend/backend_suite_test.go
@@ -137,6 +137,5 @@ func (suite *BackendTestSuite) buildFormattedBlock(
 
 func (suite *BackendTestSuite) generateTestKeyring(clientDir string) (keyring.Keyring, error) {
 	buf := bufio.NewReader(os.Stdin)
-	encCfg := encoding.MakeConfig(app.ModuleBasics)
-	return keyring.New(sdk.KeyringServiceName(), keyring.BackendTest, clientDir, buf, encCfg.Codec, []keyring.Option{hd.EthSecp256k1Option()}...)
+	return keyring.New(sdk.KeyringServiceName(), keyring.BackendTest, clientDir, buf, []keyring.Option{hd.EthSecp256k1Option()}...)
 }
diff --git a/rpc/backend/node_info.go b/rpc/backend/node_info.go
index 0cc42d8599..a120ee224a 100644
--- a/rpc/backend/node_info.go
+++ b/rpc/backend/node_info.go
@@ -5,7 +5,6 @@ import (
 	"math/big"
 	"time"
 
-	sdkmath "cosmossdk.io/math"
 	"github.com/cosmos/cosmos-sdk/client/flags"
 	"github.com/cosmos/cosmos-sdk/client/tx"
 	sdkcrypto "github.com/cosmos/cosmos-sdk/crypto"
@@ -34,11 +33,7 @@ func (b *Backend) Accounts() ([]common.Address, error) {
 	}
 
 	for _, info := range infos {
-		pubKey, err := info.GetPubKey()
-		if err != nil {
-			return nil, err
-		}
-		addressBytes := pubKey.Address().Bytes()
+		addressBytes := info.GetPubKey().Address().Bytes()
 		addresses = append(addresses, common.BytesToAddress(addressBytes))
 	}
 
@@ -133,7 +128,7 @@ func (b *Backend) SetEtherbase(etherbase common.Address) bool {
 	txFactory = txFactory.WithGas(gas)
 
 	value := new(big.Int).SetUint64(gas * minGasPriceValue.Ceil().TruncateInt().Uint64())
-	fees := sdk.Coins{sdk.NewCoin(denom, sdkmath.NewIntFromBigInt(value))}
+	fees := sdk.Coins{sdk.NewCoin(denom, sdk.NewIntFromBigInt(value))}
 	builder.SetFeeAmount(fees)
 	builder.SetGasLimit(gas)
 
@@ -143,7 +138,7 @@ func (b *Backend) SetEtherbase(etherbase common.Address) bool {
 		return false
 	}
 
-	if err := tx.Sign(txFactory, keyInfo.Name, builder, false); err != nil {
+	if err := tx.Sign(txFactory, keyInfo.GetName(), builder, false); err != nil {
 		b.logger.Debug("failed to sign tx", "error", err.Error())
 		return false
 	}
@@ -220,18 +215,14 @@ func (b *Backend) ListAccounts() ([]common.Address, error) {
 	}
 
 	for _, info := range list {
-		pubKey, err := info.GetPubKey()
-		if err != nil {
-			return nil, err
-		}
-		addrs = append(addrs, common.BytesToAddress(pubKey.Address()))
+		addrs = append(addrs, common.BytesToAddress(info.GetPubKey().Address()))
 	}
 
 	return addrs, nil
 }
 
 // NewAccount will create a new account and returns the address for the new account.
-func (b *Backend) NewMnemonic(uid string, language keyring.Language, hdPath, bip39Passphrase string, algo keyring.SignatureAlgo) (*keyring.Record, error) {
+func (b *Backend) NewMnemonic(uid string, language keyring.Language, hdPath, bip39Passphrase string, algo keyring.SignatureAlgo) (keyring.Info, error) {
 	info, _, err := b.clientCtx.Keyring.NewMnemonic(uid, keyring.English, bip39Passphrase, bip39Passphrase, algo)
 	if err != nil {
 		return nil, err
diff --git a/rpc/backend/tx_info.go b/rpc/backend/tx_info.go
index 4de5966144..f3afa1d174 100644
--- a/rpc/backend/tx_info.go
+++ b/rpc/backend/tx_info.go
@@ -258,7 +258,7 @@ func (b *Backend) GetTransactionReceipt(hash common.Hash) (map[string]interface{
 			// tolerate the error for pruned node.
 			b.logger.Error("fetch basefee failed, node is pruned?", "height", res.Height, "error", err)
 		} else {
-			receipt["effectiveGasPrice"] = hexutil.Big(*dynamicTx.EffectiveGasPrice(baseFee))
+			receipt["effectiveGasPrice"] = hexutil.Big(*dynamicTx.GetEffectiveGasPrice(baseFee))
 		}
 	}
 
diff --git a/rpc/namespaces/ethereum/personal/api.go b/rpc/namespaces/ethereum/personal/api.go
index 0b9c09ecda..0c4f51b78b 100644
--- a/rpc/namespaces/ethereum/personal/api.go
+++ b/rpc/namespaces/ethereum/personal/api.go
@@ -90,11 +90,7 @@ func (api *PrivateAccountAPI) NewAccount(password string) (common.Address, error
 		return common.Address{}, err
 	}
 
-	pubKey, err := info.GetPubKey()
-	if err != nil {
-		return common.Address{}, err
-	}
-	addr := common.BytesToAddress(pubKey.Address().Bytes())
+	addr := common.BytesToAddress(info.GetPubKey().Address().Bytes())
 	api.logger.Info("Your new key was generated", "address", addr.String())
 	api.logger.Info("Please backup your key file!", "path", os.Getenv("HOME")+"/.ethermint/"+name) // TODO: pass the correct binary
 	api.logger.Info("Please remember your password!")