diff --git a/builder/builder.go b/builder/builder.go
index ec9a65ec..38acafe0 100644
--- a/builder/builder.go
+++ b/builder/builder.go
@@ -291,8 +291,9 @@ func (b *Builder) parseWithdrawalMessages(
 		}
 		for _, msg := range cosmosTx.GetBody().GetMessages() {
 			userWithdrawalMsgType := cdctypes.MsgTypeURL(new(rolluptypes.MsgInitiateWithdrawal))
+			erc20WithdrawalMsgType := cdctypes.MsgTypeURL(new(rolluptypes.MsgInitiateERC20Withdrawal))
 			feeWithdrawalMsgType := cdctypes.MsgTypeURL(new(rolluptypes.MsgInitiateFeeWithdrawal))
-			if msg.TypeUrl == userWithdrawalMsgType || msg.TypeUrl == feeWithdrawalMsgType {
+			if msg.TypeUrl == userWithdrawalMsgType || msg.TypeUrl == feeWithdrawalMsgType || msg.TypeUrl == erc20WithdrawalMsgType {
 				// Store the withdrawal message hash in the monomer EVM state db and populate the nonce in the event data.
 				err := b.storeWithdrawalMsgInEVM(execTxResult, ethState, header)
 				if err != nil {
@@ -362,11 +363,17 @@ func parseWithdrawalEventAttributes(withdrawalEvent *abcitypes.Event) (*crossdom
 	for _, attr := range withdrawalEvent.Attributes {
 		switch attr.Key {
 		case rolluptypes.AttributeKeySender:
-			senderCosmosAddress, err := sdk.AccAddressFromBech32(attr.Value)
-			if err != nil {
-				return nil, fmt.Errorf("convert sender to cosmos address: %v", err)
+			// check whether the sender address should be encoded as an Ethereum address or a Cosmos address
+			var sender common.Address
+			if common.IsHexAddress(attr.Value) {
+				sender = common.HexToAddress(attr.Value)
+			} else {
+				senderCosmosAddress, err := sdk.AccAddressFromBech32(attr.Value)
+				if err != nil {
+					return nil, fmt.Errorf("convert sender to cosmos address: %v", err)
+				}
+				sender = common.BytesToAddress(senderCosmosAddress.Bytes())
 			}
-			sender := common.BytesToAddress(senderCosmosAddress.Bytes())
 			params.Sender = &sender
 		case rolluptypes.AttributeKeyL1Target:
 			target := common.HexToAddress(attr.Value)
diff --git a/proto/rollup/v1/tx.proto b/proto/rollup/v1/tx.proto
index 8036b9e9..3efef77f 100644
--- a/proto/rollup/v1/tx.proto
+++ b/proto/rollup/v1/tx.proto
@@ -20,9 +20,12 @@ service Msg {
   // ApplyUserDeposit defines a method for applying a user deposit tx.
   rpc ApplyUserDeposit(MsgApplyUserDeposit) returns (MsgApplyUserDepositResponse);
 
-  // InitiateWithdrawal defines a method for initiating a withdrawal from L2 to L1.
+  // InitiateWithdrawal defines a method for initiating an ETH withdrawal from L2 to L1.
   rpc InitiateWithdrawal(MsgInitiateWithdrawal) returns (MsgInitiateWithdrawalResponse);
 
+  // InitiateERC20Withdrawal defines a method for initiating an ERC-20 withdrawal from L2 to L1.
+  rpc InitiateERC20Withdrawal(MsgInitiateERC20Withdrawal) returns (MsgInitiateERC20WithdrawalResponse);
+
   // InitiateFeeWithdrawal defines a method for initiating a withdrawal of fees from L2 to the L1 fee recipient address.
   rpc InitiateFeeWithdrawal(MsgInitiateFeeWithdrawal) returns (MsgInitiateFeeWithdrawalResponse);
 
@@ -54,7 +57,7 @@ message MsgApplyUserDeposit {
 // MsgApplyUserDepositResponse defines the ApplyUserDeposit response type.
 message MsgApplyUserDepositResponse {}
 
-// MsgInitiateWithdrawal defines the message for initiating an L2 withdrawal.
+// MsgInitiateWithdrawal defines the message for initiating an L2 ETH withdrawal.
 message MsgInitiateWithdrawal {
   option (cosmos.msg.v1.signer) = "sender";
 
@@ -78,6 +81,32 @@ message MsgInitiateWithdrawal {
 // MsgInitiateWithdrawalResponse defines the Msg/InitiateWithdrawal response type.
 message MsgInitiateWithdrawalResponse {}
 
+// MsgInitiateERC20Withdrawal defines the message for initiating an L2 ERC-20 withdrawal.
+message MsgInitiateERC20Withdrawal {
+  option (cosmos.msg.v1.signer) = "sender";
+
+  // The cosmos address of the user who wants to withdraw from L2.
+  string sender = 1 [(cosmos_proto.scalar) = "cosmos.AddressString"];
+  // The ethereum address on L1 that the user wants to withdraw to.
+  string target = 2;
+  // The address of the ERC-20 token contract on L1.
+  string token_address = 3;
+  // The amount of ERC-20 tokens that the user wants to withdraw.
+  string value = 4 [
+    (cosmos_proto.scalar) = "cosmos.Int",
+    (gogoproto.customtype) = "cosmossdk.io/math.Int",
+    (gogoproto.nullable) = false,
+    (amino.dont_omitempty) = true
+  ];
+  // Minimum gas limit for executing the message on L1.
+  bytes gas_limit = 5;
+  // Extra data to forward to L1 target.
+  bytes extra_data = 6;
+}
+
+// MsgInitiateERC20WithdrawalResponse defines the Msg/InitiateERC20Withdrawal response type.
+message MsgInitiateERC20WithdrawalResponse {}
+
 // MsgInitiateFeeWithdrawal defines the message for initiating an L2 fee withdrawal to the L1 fee recipient address.
 message MsgInitiateFeeWithdrawal {
   option (cosmos.msg.v1.signer) = "sender";
diff --git a/x/rollup/keeper/deposits.go b/x/rollup/keeper/deposits.go
index 6c1a7308..ae3a2f30 100644
--- a/x/rollup/keeper/deposits.go
+++ b/x/rollup/keeper/deposits.go
@@ -246,7 +246,7 @@ func (k *Keeper) mintERC20(
 	amount sdkmath.Int,
 ) (*sdk.Event, error) {
 	// use the "erc20/{l1erc20addr}" format for the coin denom
-	coin := sdk.NewCoin("erc20/"+erc20addr[2:], amount)
+	coin := sdk.NewCoin(getERC20Denom(erc20addr), amount)
 	if err := k.bankkeeper.MintCoins(ctx, types.ModuleName, sdk.NewCoins(coin)); err != nil {
 		return nil, fmt.Errorf("failed to mint ERC-20 deposit coins to the rollup module: %v", err)
 	}
diff --git a/x/rollup/keeper/keeper.go b/x/rollup/keeper/keeper.go
index ec2e8ed2..6bcd2756 100644
--- a/x/rollup/keeper/keeper.go
+++ b/x/rollup/keeper/keeper.go
@@ -102,3 +102,9 @@ func (k *Keeper) SetParams(ctx sdk.Context, params *types.Params) error { //noli
 	}
 	return nil
 }
+
+// getERC20Denom returns the Monomer L2 coin denom for the given ERC-20 L1 address.
+// The "erc20/{l1erc20addr}" format is used for the L2 coin denom.
+func getERC20Denom(erc20Addr string) string {
+	return "erc20/" + erc20Addr[2:]
+}
diff --git a/x/rollup/keeper/keeper_test.go b/x/rollup/keeper/keeper_test.go
index 492ac493..3f75f158 100644
--- a/x/rollup/keeper/keeper_test.go
+++ b/x/rollup/keeper/keeper_test.go
@@ -61,12 +61,12 @@ func (s *KeeperTestSuite) setup() {
 	s.eventManger = sdkCtx.EventManager()
 }
 
-func (s *KeeperTestSuite) mockBurnETH() {
+func (s *KeeperTestSuite) mockBurn() {
 	s.bankKeeper.EXPECT().SendCoinsFromAccountToModule(s.ctx, gomock.Any(), types.ModuleName, gomock.Any()).Return(nil).AnyTimes()
 	s.bankKeeper.EXPECT().BurnCoins(s.ctx, types.ModuleName, gomock.Any()).Return(nil).AnyTimes()
 }
 
-func (s *KeeperTestSuite) mockMintETH() {
+func (s *KeeperTestSuite) mockMint() {
 	s.bankKeeper.EXPECT().MintCoins(s.ctx, types.ModuleName, gomock.Any()).Return(nil).AnyTimes()
 	s.bankKeeper.EXPECT().SendCoinsFromModuleToAccount(s.ctx, types.ModuleName, gomock.Any(), gomock.Any()).Return(nil).AnyTimes()
 }
diff --git a/x/rollup/keeper/msg_server.go b/x/rollup/keeper/msg_server.go
index f09dc056..4fc9a25c 100644
--- a/x/rollup/keeper/msg_server.go
+++ b/x/rollup/keeper/msg_server.go
@@ -4,10 +4,15 @@ import (
 	"context"
 	"fmt"
 	"math/big"
+	"strings"
 
 	"cosmossdk.io/math"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
+	opbindings "github.com/ethereum-optimism/optimism/op-bindings/bindings"
+	"github.com/ethereum-optimism/optimism/op-bindings/predeploys"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/polymerdao/monomer/x/rollup/types"
 )
@@ -47,7 +52,7 @@ func (k *Keeper) InitiateWithdrawal(
 	msg *types.MsgInitiateWithdrawal,
 ) (*types.MsgInitiateWithdrawalResponse, error) {
 	ctx := sdk.UnwrapSDKContext(goCtx)
-	ctx.Logger().Debug("Withdrawing L2 assets", "sender", msg.Sender, "value", msg.Value)
+	ctx.Logger().Debug("Withdrawing ETH L2 assets", "sender", msg.Sender, "value", msg.Value)
 
 	cosmAddr, err := sdk.AccAddressFromBech32(msg.Sender)
 	if err != nil {
@@ -80,6 +85,96 @@ func (k *Keeper) InitiateWithdrawal(
 	return &types.MsgInitiateWithdrawalResponse{}, nil
 }
 
+func (k *Keeper) InitiateERC20Withdrawal(
+	goCtx context.Context,
+	msg *types.MsgInitiateERC20Withdrawal,
+) (*types.MsgInitiateERC20WithdrawalResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+	ctx.Logger().Debug("Withdrawing ERC-20 L2 assets", "sender", msg.Sender, "value", msg.Value, "tokenAddress", msg.TokenAddress)
+
+	cosmAddr, err := sdk.AccAddressFromBech32(msg.Sender)
+	if err != nil {
+		return nil, types.WrapError(types.ErrInvalidSender, "failed to create cosmos address for sender: %v; error: %v", msg.Sender, err)
+	}
+
+	if err = k.burnERC20(ctx, cosmAddr, msg.TokenAddress, msg.Value); err != nil {
+		return nil, types.WrapError(
+			types.ErrInitiateERC20Withdrawal,
+			"failed to burn ERC-20 for cosmosAddress: %v, tokenAddress: %v; err: %v",
+			cosmAddr,
+			msg.TokenAddress,
+			err,
+		)
+	}
+
+	params, err := k.GetParams(ctx)
+	if err != nil {
+		return nil, types.WrapError(types.ErrInitiateERC20Withdrawal, "failed to get params: %v", err)
+	}
+
+	// Pack the finalizeBridgeERC20 message to forward to the L1StandardBridge contract on Ethereum.
+	// see https://github.com/ethereum-optimism/optimism/blob/24a8d3e/packages/contracts-bedrock/src/universal/StandardBridge.sol#L267
+	standardBridgeABI, err := abi.JSON(strings.NewReader(opbindings.StandardBridgeMetaData.ABI))
+	if err != nil {
+		return nil, types.WrapError(types.ErrInitiateERC20Withdrawal, "failed to parse StandardBridge ABI: %v", err)
+	}
+	finalizeBridgeERC20Bz, err := standardBridgeABI.Pack(
+		"finalizeBridgeERC20",
+		common.HexToAddress(msg.TokenAddress), // local token
+		common.HexToAddress(msg.TokenAddress), // remote token
+		common.HexToAddress(msg.Sender),       // from
+		common.HexToAddress(msg.Target),       // to
+		msg.Value.BigInt(),                    // amount
+		msg.ExtraData,                         // extra data
+	)
+	if err != nil {
+		return nil, types.WrapError(types.ErrInitiateERC20Withdrawal, "failed to pack finalizeBridgeERC20: %v", err)
+	}
+
+	// Pack the relayMessage to forward to the L1CrossDomainMessenger contract on Ethereum.
+	// see https://github.com/ethereum-optimism/optimism/blob/24a8d3e/packages/contracts-bedrock/src/universal/CrossDomainMessenger.sol#L207
+	crossDomainMessengerABI, err := abi.JSON(strings.NewReader(opbindings.CrossDomainMessengerMetaData.ABI))
+	if err != nil {
+		return nil, types.WrapError(types.ErrInitiateERC20Withdrawal, "failed to parse CrossDomainMessenger ABI: %v", err)
+	}
+	relayMessageBz, err := crossDomainMessengerABI.Pack(
+		"relayMessage",
+		big.NewInt(0), // nonce
+		common.HexToAddress(predeploys.L2StandardBridge), // sender
+		common.HexToAddress(params.L1StandardBridge),     // target
+		big.NewInt(0),         // value
+		big.NewInt(0),         // min gas limit
+		finalizeBridgeERC20Bz, // message
+	)
+	if err != nil {
+		return nil, types.WrapError(types.ErrInitiateERC20Withdrawal, "failed to pack relayMessage: %v", err)
+	}
+
+	withdrawalValueHex := hexutil.EncodeBig(msg.Value.BigInt())
+	k.EmitEvents(ctx, sdk.Events{
+		sdk.NewEvent(
+			types.EventTypeWithdrawalInitiated,
+			// To forward the ERC-20 withdrawal to L1, we need to use the L2CrossDomainMessenger address as the msg.sender
+			sdk.NewAttribute(types.AttributeKeySender, predeploys.L2CrossDomainMessenger),
+			sdk.NewAttribute(types.AttributeKeyL1Target, params.L1CrossDomainMessenger),
+			// The ERC-20 withdrawal value is stored in the data field
+			sdk.NewAttribute(types.AttributeKeyValue, hexutil.EncodeBig(big.NewInt(0))),
+			sdk.NewAttribute(types.AttributeKeyGasLimit, hexutil.EncodeBig(new(big.Int).SetBytes(msg.GasLimit))),
+			sdk.NewAttribute(types.AttributeKeyData, hexutil.Encode(relayMessageBz)),
+			// The nonce attribute will be set by Monomer
+		),
+		sdk.NewEvent(
+			types.EventTypeBurnERC20,
+			sdk.NewAttribute(types.AttributeKeyL2WithdrawalTx, types.EventTypeWithdrawalInitiated),
+			sdk.NewAttribute(types.AttributeKeyFromCosmosAddress, msg.Sender),
+			sdk.NewAttribute(types.AttributeKeyERC20Address, msg.TokenAddress),
+			sdk.NewAttribute(types.AttributeKeyValue, withdrawalValueHex),
+		),
+	})
+
+	return &types.MsgInitiateERC20WithdrawalResponse{}, nil
+}
+
 func (k *Keeper) InitiateFeeWithdrawal(
 	goCtx context.Context,
 	_ *types.MsgInitiateFeeWithdrawal,
diff --git a/x/rollup/keeper/msg_server_test.go b/x/rollup/keeper/msg_server_test.go
index c20b9fa2..29decf26 100644
--- a/x/rollup/keeper/msg_server_test.go
+++ b/x/rollup/keeper/msg_server_test.go
@@ -104,7 +104,7 @@ func (s *KeeperTestSuite) TestApplyUserDeposit() {
 			if test.setupMocks != nil {
 				test.setupMocks()
 			}
-			s.mockMintETH()
+			s.mockMint()
 
 			resp, err := s.rollupKeeper.ApplyUserDeposit(s.ctx, &types.MsgApplyUserDeposit{
 				Tx: test.txBytes,
@@ -131,6 +131,7 @@ func (s *KeeperTestSuite) TestInitiateWithdrawal() {
 	l1Target := "0x12345abcde"
 	withdrawalAmount := math.NewInt(1000000)
 
+	//nolint:dupl
 	tests := map[string]struct {
 		sender      string
 		setupMocks  func()
@@ -146,14 +147,14 @@ func (s *KeeperTestSuite) TestInitiateWithdrawal() {
 		},
 		"bank keeper insufficient funds failure": {
 			setupMocks: func() {
-				s.bankKeeper.EXPECT().SendCoinsFromAccountToModule(s.ctx, gomock.Any(), types.ModuleName, gomock.Any()).Return(types.ErrBurnETH)
+				s.bankKeeper.EXPECT().SendCoinsFromAccountToModule(s.ctx, gomock.Any(), types.ModuleName, gomock.Any()).Return(types.ErrBurnETH).AnyTimes()
 			},
 			sender:      sender,
 			shouldError: true,
 		},
 		"bank keeper burn coins failure": {
 			setupMocks: func() {
-				s.bankKeeper.EXPECT().BurnCoins(s.ctx, types.ModuleName, gomock.Any()).Return(sdkerrors.ErrUnknownRequest)
+				s.bankKeeper.EXPECT().BurnCoins(s.ctx, types.ModuleName, gomock.Any()).Return(sdkerrors.ErrUnknownRequest).AnyTimes()
 			},
 			sender:      sender,
 			shouldError: true,
@@ -165,7 +166,7 @@ func (s *KeeperTestSuite) TestInitiateWithdrawal() {
 			if test.setupMocks != nil {
 				test.setupMocks()
 			}
-			s.mockBurnETH()
+			s.mockBurn()
 
 			resp, err := s.rollupKeeper.InitiateWithdrawal(s.ctx, &types.MsgInitiateWithdrawal{
 				Sender: test.sender,
@@ -194,6 +195,77 @@ func (s *KeeperTestSuite) TestInitiateWithdrawal() {
 	}
 }
 
+func (s *KeeperTestSuite) TestInitiateERC20Withdrawal() {
+	sender := sdk.AccAddress("addr").String()
+	l1Target := "0x12345abcde"
+	erc20TokenAddress := "0x0123456789abcdef"
+	withdrawalAmount := math.NewInt(1000000)
+
+	//nolint:dupl
+	tests := map[string]struct {
+		sender      string
+		setupMocks  func()
+		shouldError bool
+	}{
+		"successful message": {
+			sender:      sender,
+			shouldError: false,
+		},
+		"invalid sender addr": {
+			sender:      "invalid",
+			shouldError: true,
+		},
+		"bank keeper insufficient funds failure": {
+			setupMocks: func() {
+				s.bankKeeper.EXPECT().SendCoinsFromAccountToModule(s.ctx, gomock.Any(), types.ModuleName, gomock.Any()).Return(sdkerrors.ErrUnknownRequest).AnyTimes()
+			},
+			sender:      sender,
+			shouldError: true,
+		},
+		"bank keeper burn coins failure": {
+			setupMocks: func() {
+				s.bankKeeper.EXPECT().BurnCoins(s.ctx, types.ModuleName, gomock.Any()).Return(sdkerrors.ErrUnknownRequest).AnyTimes()
+			},
+			sender:      sender,
+			shouldError: true,
+		},
+	}
+
+	for name, test := range tests {
+		s.Run(name, func() {
+			if test.setupMocks != nil {
+				test.setupMocks()
+			}
+			s.mockBurn()
+
+			resp, err := s.rollupKeeper.InitiateERC20Withdrawal(s.ctx, &types.MsgInitiateERC20Withdrawal{
+				Sender:       test.sender,
+				Target:       l1Target,
+				TokenAddress: erc20TokenAddress,
+				Value:        withdrawalAmount,
+			})
+
+			if test.shouldError {
+				s.Require().Error(err)
+				s.Require().Nil(resp)
+			} else {
+				s.Require().NoError(err)
+				s.Require().NotNil(resp)
+
+				// Verify that the expected event types are emitted
+				expectedEventTypes := []string{
+					sdk.EventTypeMessage,
+					types.EventTypeWithdrawalInitiated,
+					types.EventTypeBurnERC20,
+				}
+				for i, event := range s.eventManger.Events() {
+					s.Require().Equal(expectedEventTypes[i], event.Type)
+				}
+			}
+		})
+	}
+}
+
 func (s *KeeperTestSuite) TestInitiateFeeWithdrawal() {
 	tests := map[string]struct {
 		setupMocks  func()
diff --git a/x/rollup/keeper/withdrawals.go b/x/rollup/keeper/withdrawals.go
index 711fdb63..f7eb0fdc 100644
--- a/x/rollup/keeper/withdrawals.go
+++ b/x/rollup/keeper/withdrawals.go
@@ -24,3 +24,24 @@ func (k *Keeper) burnETH(ctx sdk.Context, addr sdk.AccAddress, amount sdkmath.In
 
 	return nil
 }
+
+// burnERC20 burns a bridged ERC-20 token from an L2 account.
+func (k *Keeper) burnERC20(
+	ctx sdk.Context, //nolint:gocritic // hugeParam
+	userAddr sdk.AccAddress,
+	erc20addr string,
+	amount sdkmath.Int,
+) error {
+	coins := sdk.NewCoins(sdk.NewCoin(getERC20Denom(erc20addr), amount))
+
+	// Transfer the coins to withdraw from the user account to the rollup module
+	if err := k.bankkeeper.SendCoinsFromAccountToModule(ctx, userAddr, types.ModuleName, coins); err != nil {
+		return fmt.Errorf("failed to send withdrawal coins from user account %v to rollup module: %v", userAddr, err)
+	}
+
+	if err := k.bankkeeper.BurnCoins(ctx, types.ModuleName, coins); err != nil {
+		return fmt.Errorf("failed to burn ERC-20 coins from the rollup module: %v", err)
+	}
+
+	return nil
+}
diff --git a/x/rollup/tests/integration/rollup_test.go b/x/rollup/tests/integration/rollup_test.go
index 313ed132..1f204792 100644
--- a/x/rollup/tests/integration/rollup_test.go
+++ b/x/rollup/tests/integration/rollup_test.go
@@ -107,7 +107,7 @@ func TestRollup(t *testing.T) {
 	// query the user's ERC20 balance and assert it's equal to the deposit amount
 	require.Equal(t, erc20depositAmount, queryERC20Balance(t, bankQueryClient, erc20userCosmosAddr, erc20tokenAddr, integrationApp).BigInt())
 
-	// try to withdraw more than deposited and assert error
+	// try to withdraw more ETH than deposited and assert error
 	_, err = integrationApp.RunMsg(&rolluptypes.MsgInitiateWithdrawal{
 		Sender:   userCosmosAddr,
 		Target:   l1WithdrawalAddr,
@@ -127,9 +127,22 @@ func TestRollup(t *testing.T) {
 	})
 	require.NoError(t, err)
 
-	// query the recipient address ETH balance and assert it's zero
+	// query the sender's ETH balance and assert it's zero
 	require.Equal(t, math.ZeroInt(), queryETHBalance(t, bankQueryClient, userCosmosAddr, integrationApp))
 
+	// send a successful MsgInitiateERC20Withdrawal
+	_, err = integrationApp.RunMsg(&rolluptypes.MsgInitiateERC20Withdrawal{
+		Sender:       erc20userCosmosAddr,
+		Target:       l1WithdrawalAddr,
+		TokenAddress: erc20tokenAddr.String(),
+		Value:        math.NewIntFromBigInt(erc20depositAmount),
+		GasLimit:     new(big.Int).SetUint64(100_000_000).Bytes(),
+	})
+	require.NoError(t, err)
+
+	// query the sender's ERC20 balance and assert it's zero
+	require.Equal(t, math.ZeroInt(), queryERC20Balance(t, bankQueryClient, erc20userCosmosAddr, erc20tokenAddr, integrationApp))
+
 	// query the fee collector's ETH balance and assert it's equal to the initial mint amount
 	require.Equal(t, math.NewInt(initialFeeCollectorBalance), queryETHBalance(t, bankQueryClient, feeCollectorAddr, integrationApp))
 
diff --git a/x/rollup/types/errors.go b/x/rollup/types/errors.go
index 741eda91..1f183f5e 100644
--- a/x/rollup/types/errors.go
+++ b/x/rollup/types/errors.go
@@ -19,7 +19,8 @@ var (
 	ErrProcessL1UserDepositTxs  = registerErr("failed to process L1 user deposit txs")
 	ErrProcessL1SystemDepositTx = registerErr("failed to process L1 system deposit tx")
 	ErrInitiateFeeWithdrawal    = registerErr("failed to initiate fee withdrawal")
-	ErrUpdateParams             = registerErr("failed to updated params")
+	ErrInitiateERC20Withdrawal  = registerErr("failed to initiate ERC-20 withdrawal")
+	ErrUpdateParams             = registerErr("failed to update params")
 )
 
 // register new errors without hard-coding error codes
diff --git a/x/rollup/types/events.go b/x/rollup/types/events.go
index 2e604cc2..dfe96e78 100644
--- a/x/rollup/types/events.go
+++ b/x/rollup/types/events.go
@@ -21,5 +21,6 @@ const (
 	EventTypeMintETH             = "mint_eth"
 	EventTypeMintERC20           = "mint_erc20"
 	EventTypeBurnETH             = "burn_eth"
+	EventTypeBurnERC20           = "burn_erc20"
 	EventTypeWithdrawalInitiated = "withdrawal_initiated"
 )
diff --git a/x/rollup/types/msgs.go b/x/rollup/types/msgs.go
index 4f4a5f1c..87a63ee3 100644
--- a/x/rollup/types/msgs.go
+++ b/x/rollup/types/msgs.go
@@ -74,9 +74,39 @@ func (m *MsgInitiateWithdrawal) ValidateBasic() error {
 }
 
 func (*MsgInitiateWithdrawal) Type() string {
-	return "l2withdrawal"
+	return "l2_eth_withdrawal"
 }
 
 func (*MsgInitiateWithdrawal) Route() string {
 	return ModuleName
 }
+
+var _ sdktypes.Msg = (*MsgInitiateERC20Withdrawal)(nil)
+
+func (m *MsgInitiateERC20Withdrawal) ValidateBasic() error {
+	// Check if the target Ethereum address is valid
+	if !common.IsHexAddress(m.Target) {
+		return fmt.Errorf("invalid target address: %s", m.Target)
+	}
+	// Check if the token address is valid
+	if !common.IsHexAddress(m.TokenAddress) {
+		return fmt.Errorf("invalid token address: %s", m.TokenAddress)
+	}
+	// Check if the gas limit is within the allowed range.
+	gasLimit := new(big.Int).SetBytes(m.GasLimit).Uint64()
+	if gasLimit < MinTxGasLimit || gasLimit > MaxTxGasLimit {
+		return fmt.Errorf("gas limit must be between %d and %d: %d", MinTxGasLimit, MaxTxGasLimit, gasLimit)
+	}
+
+	return nil
+}
+
+func (*MsgInitiateERC20Withdrawal) Type() string {
+	return "l2_erc20_withdrawal"
+}
+
+func (*MsgInitiateERC20Withdrawal) Route() string {
+	return ModuleName
+}
+
+// TODO: Add validations for MsgUpdateParams and MsgInitiateFeeWithdrawal
diff --git a/x/rollup/types/params.go b/x/rollup/types/params.go
index 80ad61e4..7acf642c 100644
--- a/x/rollup/types/params.go
+++ b/x/rollup/types/params.go
@@ -12,7 +12,7 @@ func DefaultParams() Params {
 		defaultL1FeeRecipient string = "0x000000000000000000000000000000000000dEaD"
 		// defaultL1CrossDomainMessenger uses the devnet address of the L1 cross domain messenger contract as the default value.
 		defaultL1CrossDomainMessenger string = "0x9A9f2CCfdE556A7E9Ff0848998Aa4a0CFD8863AE"
-		// defaultL1CrossDomainMessenger uses the devnet address of the L1 standard bridge contract as the default value.
+		// defaultL1StandardBridge uses the devnet address of the L1 standard bridge contract as the default value.
 		defaultL1StandardBridge       string = "0x959922bE3CAee4b8Cd9a407cc3ac1C251C2007B1"
 		defaultMinFeeWithdrawalAmount uint64 = 400_000
 		defaultFeeWithdrawalGasLimit  uint64 = 400_000
@@ -36,7 +36,7 @@ func (p *Params) Validate() error {
 		return fmt.Errorf("validate L1 cross domain messenger address: %w", err)
 	}
 	if err := validateEthAddress(p.L1StandardBridge); err != nil {
-		return fmt.Errorf("validate L1 cross domain messenger address: %w", err)
+		return fmt.Errorf("validate L1 standard bridge address: %w", err)
 	}
 
 	return nil
diff --git a/x/rollup/types/tx.pb.go b/x/rollup/types/tx.pb.go
index 7130cbe5..4c2a42cd 100644
--- a/x/rollup/types/tx.pb.go
+++ b/x/rollup/types/tx.pb.go
@@ -258,7 +258,7 @@ func (m *MsgApplyUserDepositResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgApplyUserDepositResponse proto.InternalMessageInfo
 
-// MsgInitiateWithdrawal defines the message for initiating an L2 withdrawal.
+// MsgInitiateWithdrawal defines the message for initiating an L2 ETH withdrawal.
 type MsgInitiateWithdrawal struct {
 	// The cosmos address of the user who wants to withdraw from L2.
 	Sender string `protobuf:"bytes,1,opt,name=sender,proto3" json:"sender,omitempty"`
@@ -370,6 +370,127 @@ func (m *MsgInitiateWithdrawalResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgInitiateWithdrawalResponse proto.InternalMessageInfo
 
+// MsgInitiateERC20Withdrawal defines the message for initiating an L2 ERC-20 withdrawal.
+type MsgInitiateERC20Withdrawal struct {
+	// The cosmos address of the user who wants to withdraw from L2.
+	Sender string `protobuf:"bytes,1,opt,name=sender,proto3" json:"sender,omitempty"`
+	// The ethereum address on L1 that the user wants to withdraw to.
+	Target string `protobuf:"bytes,2,opt,name=target,proto3" json:"target,omitempty"`
+	// The address of the ERC-20 token contract on L1.
+	TokenAddress string `protobuf:"bytes,3,opt,name=token_address,json=tokenAddress,proto3" json:"token_address,omitempty"`
+	// The amount of ERC-20 tokens that the user wants to withdraw.
+	Value cosmossdk_io_math.Int `protobuf:"bytes,4,opt,name=value,proto3,customtype=cosmossdk.io/math.Int" json:"value"`
+	// Minimum gas limit for executing the message on L1.
+	GasLimit []byte `protobuf:"bytes,5,opt,name=gas_limit,json=gasLimit,proto3" json:"gas_limit,omitempty"`
+	// Extra data to forward to L1 target.
+	ExtraData []byte `protobuf:"bytes,6,opt,name=extra_data,json=extraData,proto3" json:"extra_data,omitempty"`
+}
+
+func (m *MsgInitiateERC20Withdrawal) Reset()         { *m = MsgInitiateERC20Withdrawal{} }
+func (m *MsgInitiateERC20Withdrawal) String() string { return proto.CompactTextString(m) }
+func (*MsgInitiateERC20Withdrawal) ProtoMessage()    {}
+func (*MsgInitiateERC20Withdrawal) Descriptor() ([]byte, []int) {
+	return fileDescriptor_106533843870de0f, []int{7}
+}
+func (m *MsgInitiateERC20Withdrawal) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgInitiateERC20Withdrawal) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgInitiateERC20Withdrawal.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *MsgInitiateERC20Withdrawal) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgInitiateERC20Withdrawal.Merge(m, src)
+}
+func (m *MsgInitiateERC20Withdrawal) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgInitiateERC20Withdrawal) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgInitiateERC20Withdrawal.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgInitiateERC20Withdrawal proto.InternalMessageInfo
+
+func (m *MsgInitiateERC20Withdrawal) GetSender() string {
+	if m != nil {
+		return m.Sender
+	}
+	return ""
+}
+
+func (m *MsgInitiateERC20Withdrawal) GetTarget() string {
+	if m != nil {
+		return m.Target
+	}
+	return ""
+}
+
+func (m *MsgInitiateERC20Withdrawal) GetTokenAddress() string {
+	if m != nil {
+		return m.TokenAddress
+	}
+	return ""
+}
+
+func (m *MsgInitiateERC20Withdrawal) GetGasLimit() []byte {
+	if m != nil {
+		return m.GasLimit
+	}
+	return nil
+}
+
+func (m *MsgInitiateERC20Withdrawal) GetExtraData() []byte {
+	if m != nil {
+		return m.ExtraData
+	}
+	return nil
+}
+
+// MsgInitiateERC20WithdrawalResponse defines the Msg/InitiateERC20Withdrawal response type.
+type MsgInitiateERC20WithdrawalResponse struct {
+}
+
+func (m *MsgInitiateERC20WithdrawalResponse) Reset()         { *m = MsgInitiateERC20WithdrawalResponse{} }
+func (m *MsgInitiateERC20WithdrawalResponse) String() string { return proto.CompactTextString(m) }
+func (*MsgInitiateERC20WithdrawalResponse) ProtoMessage()    {}
+func (*MsgInitiateERC20WithdrawalResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_106533843870de0f, []int{8}
+}
+func (m *MsgInitiateERC20WithdrawalResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgInitiateERC20WithdrawalResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgInitiateERC20WithdrawalResponse.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *MsgInitiateERC20WithdrawalResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgInitiateERC20WithdrawalResponse.Merge(m, src)
+}
+func (m *MsgInitiateERC20WithdrawalResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgInitiateERC20WithdrawalResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgInitiateERC20WithdrawalResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgInitiateERC20WithdrawalResponse proto.InternalMessageInfo
+
 // MsgInitiateFeeWithdrawal defines the message for initiating an L2 fee withdrawal to the L1 fee recipient address.
 type MsgInitiateFeeWithdrawal struct {
 	// The signer address of the user initiating the fee withdrawal.
@@ -380,7 +501,7 @@ func (m *MsgInitiateFeeWithdrawal) Reset()         { *m = MsgInitiateFeeWithdraw
 func (m *MsgInitiateFeeWithdrawal) String() string { return proto.CompactTextString(m) }
 func (*MsgInitiateFeeWithdrawal) ProtoMessage()    {}
 func (*MsgInitiateFeeWithdrawal) Descriptor() ([]byte, []int) {
-	return fileDescriptor_106533843870de0f, []int{7}
+	return fileDescriptor_106533843870de0f, []int{9}
 }
 func (m *MsgInitiateFeeWithdrawal) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -424,7 +545,7 @@ func (m *MsgInitiateFeeWithdrawalResponse) Reset()         { *m = MsgInitiateFee
 func (m *MsgInitiateFeeWithdrawalResponse) String() string { return proto.CompactTextString(m) }
 func (*MsgInitiateFeeWithdrawalResponse) ProtoMessage()    {}
 func (*MsgInitiateFeeWithdrawalResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_106533843870de0f, []int{8}
+	return fileDescriptor_106533843870de0f, []int{10}
 }
 func (m *MsgInitiateFeeWithdrawalResponse) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -466,7 +587,7 @@ func (m *MsgUpdateParams) Reset()         { *m = MsgUpdateParams{} }
 func (m *MsgUpdateParams) String() string { return proto.CompactTextString(m) }
 func (*MsgUpdateParams) ProtoMessage()    {}
 func (*MsgUpdateParams) Descriptor() ([]byte, []int) {
-	return fileDescriptor_106533843870de0f, []int{9}
+	return fileDescriptor_106533843870de0f, []int{11}
 }
 func (m *MsgUpdateParams) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -517,7 +638,7 @@ func (m *MsgUpdateParamsResponse) Reset()         { *m = MsgUpdateParamsResponse
 func (m *MsgUpdateParamsResponse) String() string { return proto.CompactTextString(m) }
 func (*MsgUpdateParamsResponse) ProtoMessage()    {}
 func (*MsgUpdateParamsResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_106533843870de0f, []int{10}
+	return fileDescriptor_106533843870de0f, []int{12}
 }
 func (m *MsgUpdateParamsResponse) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -554,6 +675,8 @@ func init() {
 	proto.RegisterType((*MsgApplyUserDepositResponse)(nil), "rollup.v1.MsgApplyUserDepositResponse")
 	proto.RegisterType((*MsgInitiateWithdrawal)(nil), "rollup.v1.MsgInitiateWithdrawal")
 	proto.RegisterType((*MsgInitiateWithdrawalResponse)(nil), "rollup.v1.MsgInitiateWithdrawalResponse")
+	proto.RegisterType((*MsgInitiateERC20Withdrawal)(nil), "rollup.v1.MsgInitiateERC20Withdrawal")
+	proto.RegisterType((*MsgInitiateERC20WithdrawalResponse)(nil), "rollup.v1.MsgInitiateERC20WithdrawalResponse")
 	proto.RegisterType((*MsgInitiateFeeWithdrawal)(nil), "rollup.v1.MsgInitiateFeeWithdrawal")
 	proto.RegisterType((*MsgInitiateFeeWithdrawalResponse)(nil), "rollup.v1.MsgInitiateFeeWithdrawalResponse")
 	proto.RegisterType((*MsgUpdateParams)(nil), "rollup.v1.MsgUpdateParams")
@@ -563,53 +686,59 @@ func init() {
 func init() { proto.RegisterFile("rollup/v1/tx.proto", fileDescriptor_106533843870de0f) }
 
 var fileDescriptor_106533843870de0f = []byte{
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+	0x1f, 0x72, 0xc2, 0x54, 0xa5, 0xae, 0x34, 0x4a, 0xed, 0x6a, 0x33, 0x6d, 0xb3, 0xd9, 0x63, 0xce,
+	0x23, 0xc2, 0x4f, 0x5b, 0xc7, 0x29, 0xc8, 0x2c, 0x7b, 0x33, 0x11, 0x7a, 0x00, 0xdb, 0x43, 0x46,
+	0x22, 0xcb, 0x96, 0xb4, 0x6a, 0xae, 0xbe, 0xd9, 0x28, 0xb5, 0x6b, 0xf3, 0x1c, 0xc7, 0x61, 0xe8,
+	0x8d, 0x9e, 0x30, 0x12, 0x49, 0x75, 0xb3, 0x3c, 0x9c, 0x06, 0x4c, 0x77, 0x00, 0x2d, 0x0b, 0xa1,
+	0x23, 0xd1, 0x5e, 0xdf, 0xa3, 0x67, 0xe7, 0x96, 0x1b, 0x3c, 0xa7, 0xb2, 0xbd, 0x9d, 0x19, 0xea,
+	0xd3, 0x56, 0x67, 0x5c, 0xee, 0x06, 0xcf, 0xa9, 0x59, 0xf2, 0xa6, 0x01, 0xaa, 0x40, 0x81, 0xf0,
+	0x81, 0xc5, 0x63, 0x35, 0x57, 0x57, 0x1a, 0x65, 0x33, 0x4f, 0xf8, 0xe0, 0x71, 0xac, 0x7f, 0x0c,
+	0x5a, 0xc6, 0x8e, 0x08, 0x0b, 0x69, 0xc0, 0x88, 0xbe, 0x0f, 0x1f, 0x65, 0xf4, 0x8a, 0x6e, 0x40,
+	0x8e, 0xc7, 0x42, 0xbc, 0x6c, 0xe6, 0x78, 0xac, 0x57, 0xe1, 0x6e, 0xd6, 0x96, 0x26, 0x2c, 0xd7,
+	0x0a, 0x54, 0x7a, 0xcc, 0xe9, 0x06, 0x2e, 0x77, 0x31, 0x27, 0x4f, 0x5d, 0x3e, 0xb0, 0x23, 0xfc,
+	0x03, 0xf6, 0xd0, 0x21, 0x14, 0x18, 0x09, 0x6c, 0x12, 0x09, 0xb2, 0x62, 0x47, 0x7d, 0xf3, 0xf2,
+	0xe0, 0xb6, 0x3c, 0xce, 0x63, 0xdb, 0x8e, 0x08, 0x63, 0x8f, 0x78, 0xe4, 0x06, 0x8e, 0x29, 0x71,
+	0x68, 0x07, 0x0a, 0x1c, 0x47, 0x0e, 0xe1, 0x62, 0x1b, 0x45, 0x53, 0x46, 0xe8, 0x04, 0xf2, 0x17,
+	0xd8, 0x1b, 0x12, 0x75, 0x53, 0x10, 0x1d, 0xbe, 0x7a, 0xbb, 0xb7, 0xf1, 0xd7, 0xdb, 0xbd, 0x4a,
+	0x42, 0xc6, 0xec, 0xf3, 0xa6, 0x4b, 0x0d, 0x1f, 0xf3, 0x41, 0xb3, 0x1b, 0xf0, 0x37, 0x2f, 0x0f,
+	0x40, 0xaa, 0x74, 0x03, 0xfe, 0xfb, 0xf5, 0x8b, 0xfb, 0x8a, 0x99, 0x2c, 0x47, 0x77, 0xa1, 0xe8,
+	0x60, 0x66, 0x79, 0xae, 0xef, 0x72, 0x75, 0x4b, 0xec, 0xf0, 0x03, 0x07, 0xb3, 0xd3, 0x71, 0x8c,
+	0x10, 0x6c, 0xd9, 0x98, 0x63, 0x35, 0x2f, 0xf2, 0xe2, 0xfd, 0xa8, 0xf4, 0xd3, 0xf5, 0x8b, 0xfb,
+	0xb2, 0x3b, 0x7d, 0x0f, 0xaa, 0x99, 0x1b, 0x4d, 0xad, 0xf8, 0x2d, 0x27, 0xfc, 0x9e, 0x20, 0xbe,
+	0x36, 0x1f, 0xb4, 0x0f, 0xff, 0x17, 0x3f, 0xee, 0xc1, 0x36, 0xa7, 0xe7, 0x24, 0xb0, 0x70, 0xb2,
+	0x2c, 0xf1, 0xc5, 0x2c, 0x8b, 0xa4, 0xa4, 0x9a, 0x9a, 0xb6, 0xf5, 0x1f, 0x9a, 0x96, 0x5f, 0x30,
+	0xad, 0x0a, 0x40, 0x62, 0x1e, 0x61, 0x4b, 0x58, 0x57, 0x10, 0xd5, 0xa2, 0xc8, 0x3c, 0x5c, 0xf2,
+	0xef, 0x13, 0xd0, 0x57, 0xbb, 0x93, 0x9a, 0xf8, 0x1d, 0xa8, 0x33, 0xa8, 0x13, 0xf2, 0xaf, 0x6e,
+	0xd4, 0x7c, 0x03, 0x3a, 0xd4, 0x57, 0x51, 0xa7, 0xf2, 0x3f, 0x2b, 0x70, 0xb3, 0xc7, 0x9c, 0x27,
+	0xa1, 0x8d, 0x39, 0xf9, 0x16, 0x47, 0xd8, 0x67, 0xe8, 0x2b, 0x28, 0xe2, 0x21, 0x1f, 0xd0, 0xc8,
+	0xe5, 0xa3, 0xb5, 0xca, 0x53, 0x28, 0xfa, 0x12, 0x0a, 0xa1, 0x60, 0x10, 0xc7, 0x57, 0x6a, 0xdf,
+	0x9a, 0xf9, 0x94, 0x13, 0xea, 0x4e, 0x71, 0x7c, 0x2a, 0x89, 0xdd, 0x12, 0x7b, 0x74, 0x63, 0xdc,
+	0xf2, 0x94, 0x45, 0xbf, 0x03, 0xbb, 0x0b, 0x0d, 0x4d, 0x9a, 0x6d, 0xff, 0xb1, 0x05, 0x9b, 0x3d,
+	0xe6, 0xa0, 0xa7, 0x70, 0x73, 0x71, 0x9a, 0xbc, 0x7b, 0xaa, 0x69, 0xfb, 0xef, 0x1e, 0x7a, 0x52,
+	0x00, 0x3d, 0x83, 0x0f, 0x97, 0xe6, 0xc3, 0x9a, 0x59, 0xa7, 0x7d, 0xba, 0x66, 0x16, 0x4e, 0xb8,
+	0xbf, 0x07, 0x94, 0x31, 0x34, 0xea, 0xf3, 0xab, 0x97, 0x11, 0x5a, 0x63, 0x1d, 0x22, 0x55, 0xa0,
+	0xb0, 0xbb, 0xea, 0x5b, 0xdc, 0xcf, 0x26, 0x59, 0x80, 0x69, 0x07, 0xef, 0x05, 0x4b, 0x05, 0x5d,
+	0xa8, 0x64, 0x5f, 0xdc, 0x7b, 0xd9, 0x3c, 0x73, 0x20, 0xed, 0xb3, 0xf7, 0x00, 0xa5, 0x52, 0xdf,
+	0x40, 0x79, 0xee, 0x8e, 0x6a, 0xf3, 0x8b, 0x67, 0x6b, 0x9a, 0xbe, 0xba, 0x36, 0xe1, 0xd3, 0xf2,
+	0x3f, 0x8e, 0x2f, 0x61, 0xe7, 0xe4, 0xd5, 0x65, 0x4d, 0x79, 0x7d, 0x59, 0x53, 0xfe, 0xbe, 0xac,
+	0x29, 0xbf, 0x5c, 0xd5, 0x36, 0x5e, 0x5f, 0xd5, 0x36, 0xfe, 0xbc, 0xaa, 0x6d, 0x3c, 0xfb, 0xdc,
+	0x71, 0xf9, 0x60, 0xd8, 0x6f, 0x9e, 0x51, 0xdf, 0x08, 0xa9, 0x37, 0xf2, 0x49, 0x64, 0x63, 0x6a,
+	0xf8, 0x34, 0xa0, 0x3e, 0x89, 0x8c, 0x58, 0xfe, 0x7a, 0x0d, 0x3e, 0x0a, 0x09, 0xeb, 0x17, 0xc4,
+	0x1f, 0xf8, 0x8b, 0x7f, 0x02, 0x00, 0x00, 0xff, 0xff, 0x13, 0xda, 0x7b, 0x60, 0x17, 0x08, 0x00,
+	0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -628,8 +757,10 @@ type MsgClient interface {
 	SetL1Attributes(ctx context.Context, in *MsgSetL1Attributes, opts ...grpc.CallOption) (*MsgSetL1AttributesResponse, error)
 	// ApplyUserDeposit defines a method for applying a user deposit tx.
 	ApplyUserDeposit(ctx context.Context, in *MsgApplyUserDeposit, opts ...grpc.CallOption) (*MsgApplyUserDepositResponse, error)
-	// InitiateWithdrawal defines a method for initiating a withdrawal from L2 to L1.
+	// InitiateWithdrawal defines a method for initiating an ETH withdrawal from L2 to L1.
 	InitiateWithdrawal(ctx context.Context, in *MsgInitiateWithdrawal, opts ...grpc.CallOption) (*MsgInitiateWithdrawalResponse, error)
+	// InitiateERC20Withdrawal defines a method for initiating an ERC-20 withdrawal from L2 to L1.
+	InitiateERC20Withdrawal(ctx context.Context, in *MsgInitiateERC20Withdrawal, opts ...grpc.CallOption) (*MsgInitiateERC20WithdrawalResponse, error)
 	// InitiateFeeWithdrawal defines a method for initiating a withdrawal of fees from L2 to the L1 fee recipient address.
 	InitiateFeeWithdrawal(ctx context.Context, in *MsgInitiateFeeWithdrawal, opts ...grpc.CallOption) (*MsgInitiateFeeWithdrawalResponse, error)
 	// UpdateParams defines a method for updating the x/rollup module parameters.
@@ -671,6 +802,15 @@ func (c *msgClient) InitiateWithdrawal(ctx context.Context, in *MsgInitiateWithd
 	return out, nil
 }
 
+func (c *msgClient) InitiateERC20Withdrawal(ctx context.Context, in *MsgInitiateERC20Withdrawal, opts ...grpc.CallOption) (*MsgInitiateERC20WithdrawalResponse, error) {
+	out := new(MsgInitiateERC20WithdrawalResponse)
+	err := c.cc.Invoke(ctx, "/rollup.v1.Msg/InitiateERC20Withdrawal", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *msgClient) InitiateFeeWithdrawal(ctx context.Context, in *MsgInitiateFeeWithdrawal, opts ...grpc.CallOption) (*MsgInitiateFeeWithdrawalResponse, error) {
 	out := new(MsgInitiateFeeWithdrawalResponse)
 	err := c.cc.Invoke(ctx, "/rollup.v1.Msg/InitiateFeeWithdrawal", in, out, opts...)
@@ -695,8 +835,10 @@ type MsgServer interface {
 	SetL1Attributes(context.Context, *MsgSetL1Attributes) (*MsgSetL1AttributesResponse, error)
 	// ApplyUserDeposit defines a method for applying a user deposit tx.
 	ApplyUserDeposit(context.Context, *MsgApplyUserDeposit) (*MsgApplyUserDepositResponse, error)
-	// InitiateWithdrawal defines a method for initiating a withdrawal from L2 to L1.
+	// InitiateWithdrawal defines a method for initiating an ETH withdrawal from L2 to L1.
 	InitiateWithdrawal(context.Context, *MsgInitiateWithdrawal) (*MsgInitiateWithdrawalResponse, error)
+	// InitiateERC20Withdrawal defines a method for initiating an ERC-20 withdrawal from L2 to L1.
+	InitiateERC20Withdrawal(context.Context, *MsgInitiateERC20Withdrawal) (*MsgInitiateERC20WithdrawalResponse, error)
 	// InitiateFeeWithdrawal defines a method for initiating a withdrawal of fees from L2 to the L1 fee recipient address.
 	InitiateFeeWithdrawal(context.Context, *MsgInitiateFeeWithdrawal) (*MsgInitiateFeeWithdrawalResponse, error)
 	// UpdateParams defines a method for updating the x/rollup module parameters.
@@ -716,6 +858,9 @@ func (*UnimplementedMsgServer) ApplyUserDeposit(ctx context.Context, req *MsgApp
 func (*UnimplementedMsgServer) InitiateWithdrawal(ctx context.Context, req *MsgInitiateWithdrawal) (*MsgInitiateWithdrawalResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method InitiateWithdrawal not implemented")
 }
+func (*UnimplementedMsgServer) InitiateERC20Withdrawal(ctx context.Context, req *MsgInitiateERC20Withdrawal) (*MsgInitiateERC20WithdrawalResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method InitiateERC20Withdrawal not implemented")
+}
 func (*UnimplementedMsgServer) InitiateFeeWithdrawal(ctx context.Context, req *MsgInitiateFeeWithdrawal) (*MsgInitiateFeeWithdrawalResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method InitiateFeeWithdrawal not implemented")
 }
@@ -781,6 +926,24 @@ func _Msg_InitiateWithdrawal_Handler(srv interface{}, ctx context.Context, dec f
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Msg_InitiateERC20Withdrawal_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MsgInitiateERC20Withdrawal)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MsgServer).InitiateERC20Withdrawal(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/rollup.v1.Msg/InitiateERC20Withdrawal",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MsgServer).InitiateERC20Withdrawal(ctx, req.(*MsgInitiateERC20Withdrawal))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Msg_InitiateFeeWithdrawal_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(MsgInitiateFeeWithdrawal)
 	if err := dec(in); err != nil {
@@ -833,6 +996,10 @@ var _Msg_serviceDesc = grpc.ServiceDesc{
 			MethodName: "InitiateWithdrawal",
 			Handler:    _Msg_InitiateWithdrawal_Handler,
 		},
+		{
+			MethodName: "InitiateERC20Withdrawal",
+			Handler:    _Msg_InitiateERC20Withdrawal_Handler,
+		},
 		{
 			MethodName: "InitiateFeeWithdrawal",
 			Handler:    _Msg_InitiateFeeWithdrawal_Handler,
@@ -1097,6 +1264,97 @@ func (m *MsgInitiateWithdrawalResponse) MarshalToSizedBuffer(dAtA []byte) (int,
 	return len(dAtA) - i, nil
 }
 
+func (m *MsgInitiateERC20Withdrawal) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *MsgInitiateERC20Withdrawal) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgInitiateERC20Withdrawal) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.ExtraData) > 0 {
+		i -= len(m.ExtraData)
+		copy(dAtA[i:], m.ExtraData)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.ExtraData)))
+		i--
+		dAtA[i] = 0x32
+	}
+	if len(m.GasLimit) > 0 {
+		i -= len(m.GasLimit)
+		copy(dAtA[i:], m.GasLimit)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.GasLimit)))
+		i--
+		dAtA[i] = 0x2a
+	}
+	{
+		size := m.Value.Size()
+		i -= size
+		if _, err := m.Value.MarshalTo(dAtA[i:]); err != nil {
+			return 0, err
+		}
+		i = encodeVarintTx(dAtA, i, uint64(size))
+	}
+	i--
+	dAtA[i] = 0x22
+	if len(m.TokenAddress) > 0 {
+		i -= len(m.TokenAddress)
+		copy(dAtA[i:], m.TokenAddress)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.TokenAddress)))
+		i--
+		dAtA[i] = 0x1a
+	}
+	if len(m.Target) > 0 {
+		i -= len(m.Target)
+		copy(dAtA[i:], m.Target)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Target)))
+		i--
+		dAtA[i] = 0x12
+	}
+	if len(m.Sender) > 0 {
+		i -= len(m.Sender)
+		copy(dAtA[i:], m.Sender)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Sender)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *MsgInitiateERC20WithdrawalResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *MsgInitiateERC20WithdrawalResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgInitiateERC20WithdrawalResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	return len(dAtA) - i, nil
+}
+
 func (m *MsgInitiateFeeWithdrawal) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -1327,6 +1585,46 @@ func (m *MsgInitiateWithdrawalResponse) Size() (n int) {
 	return n
 }
 
+func (m *MsgInitiateERC20Withdrawal) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Sender)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	l = len(m.Target)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	l = len(m.TokenAddress)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	l = m.Value.Size()
+	n += 1 + l + sovTx(uint64(l))
+	l = len(m.GasLimit)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	l = len(m.ExtraData)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	return n
+}
+
+func (m *MsgInitiateERC20WithdrawalResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	return n
+}
+
 func (m *MsgInitiateFeeWithdrawal) Size() (n int) {
 	if m == nil {
 		return 0
@@ -2069,6 +2367,304 @@ func (m *MsgInitiateWithdrawalResponse) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *MsgInitiateERC20Withdrawal) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTx
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: MsgInitiateERC20Withdrawal: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgInitiateERC20Withdrawal: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Sender", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Sender = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Target", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Target = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field TokenAddress", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.TokenAddress = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Value", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := m.Value.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 5:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field GasLimit", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.GasLimit = append(m.GasLimit[:0], dAtA[iNdEx:postIndex]...)
+			if m.GasLimit == nil {
+				m.GasLimit = []byte{}
+			}
+			iNdEx = postIndex
+		case 6:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExtraData", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ExtraData = append(m.ExtraData[:0], dAtA[iNdEx:postIndex]...)
+			if m.ExtraData == nil {
+				m.ExtraData = []byte{}
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTx(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthTx
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *MsgInitiateERC20WithdrawalResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTx
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: MsgInitiateERC20WithdrawalResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgInitiateERC20WithdrawalResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTx(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthTx
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *MsgInitiateFeeWithdrawal) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0