diff --git a/proto/opinit/ophost/v1/tx.proto b/proto/opinit/ophost/v1/tx.proto
index c2f10ea..c752883 100644
--- a/proto/opinit/ophost/v1/tx.proto
+++ b/proto/opinit/ophost/v1/tx.proto
@@ -165,29 +165,30 @@ message MsgInitiateTokenDepositResponse {
 
 // MsgFinalizeTokenWithdrawal is a message finalizing funds withdrawal from L2.
 message MsgFinalizeTokenWithdrawal {
-  option (cosmos.msg.v1.signer) = "receiver";
+  option (cosmos.msg.v1.signer) = "sender";
   option (amino.name)           = "ophost/MsgFinalizeTokenWithdrawal";
 
   // address of the sender of the transaction
 
+  string         sender = 1 [(gogoproto.moretags) = "yaml:\"sender\"", (cosmos_proto.scalar) = "cosmos.AddressString"];
   uint64         bridge_id         = 2 [(gogoproto.moretags) = "yaml:\"bridge_id\""];
   uint64         output_index      = 3 [(gogoproto.moretags) = "yaml:\"output_index\""];
   repeated bytes withdrawal_proofs = 4 [(gogoproto.nullable) = true, (amino.dont_omitempty) = false];
 
   // withdraw tx data
 
-  string sender   = 5 [(gogoproto.moretags) = "yaml:\"sender\""];
-  string receiver = 1 [(gogoproto.moretags) = "yaml:\"receiver\"", (cosmos_proto.scalar) = "cosmos.AddressString"];
-  uint64 sequence = 6 [(gogoproto.moretags) = "yaml:\"sequence\""];
-  cosmos.base.v1beta1.Coin amount = 7
+  string from     = 5 [(gogoproto.moretags) = "yaml:\"from\""];
+  string to       = 6 [(gogoproto.moretags) = "yaml:\"to\"", (cosmos_proto.scalar) = "cosmos.AddressString"];
+  uint64 sequence = 7 [(gogoproto.moretags) = "yaml:\"sequence\""];
+  cosmos.base.v1beta1.Coin amount = 8
       [(gogoproto.moretags) = "yaml:\"amount\"", (gogoproto.nullable) = false, (amino.dont_omitempty) = true];
 
   // output root proofs
 
   // version of the output root
-  bytes version         = 8 [(gogoproto.moretags) = "yaml:\"version\""];
-  bytes storage_root    = 9 [(gogoproto.moretags) = "yaml:\"storage_root\""];
-  bytes last_block_hash = 10 [(gogoproto.moretags) = "yaml:\"last_block_hash\""];
+  bytes version         = 9 [(gogoproto.moretags) = "yaml:\"version\""];
+  bytes storage_root    = 10 [(gogoproto.moretags) = "yaml:\"storage_root\""];
+  bytes last_block_hash = 11 [(gogoproto.moretags) = "yaml:\"last_block_hash\""];
 }
 
 // MsgFinalizeTokenWithdrawalResponse returns a message handle result.
diff --git a/x/ophost/client/cli/tx.go b/x/ophost/client/cli/tx.go
index e58d6e8..8f3ff67 100644
--- a/x/ophost/client/cli/tx.go
+++ b/x/ophost/client/cli/tx.go
@@ -338,7 +338,8 @@ func NewFinalizeTokenWithdrawal(ac address.Codec) *cobra.Command {
 					"bridge_id": "1",
 					"output_index": "1",
 					"sequence": "1",
-					"sender" : "bech32-address",
+					"from" : "l2-bech32-address",
+					"to" : "l1-bech32-address",
 					"amount": {"amount": "10000000", "denom": "uinit"},
 					"withdrawal_proofs": [ "base64-encoded proof1", "proof2", ... ],
 					"version": "base64-encoded version",
@@ -358,40 +359,24 @@ func NewFinalizeTokenWithdrawal(ac address.Codec) *cobra.Command {
 			if err != nil {
 				return err
 			}
-			var withdrawalInfo types.MsgFinalizeTokenWithdrawal
-			err = clientCtx.Codec.UnmarshalJSON(withdrawalBytes, &withdrawalInfo)
+
+			var msg types.MsgFinalizeTokenWithdrawal
+			err = clientCtx.Codec.UnmarshalJSON(withdrawalBytes, &msg)
 			if err != nil {
 				return err
 			}
 
-			// cannot validate sender address here because it is l2 address.
-			sender := withdrawalInfo.Sender
-			if len(sender) == 0 {
-				return fmt.Errorf("sender address is required")
-			}
-
-			receiver, err := ac.BytesToString(clientCtx.GetFromAddress())
+			sender, err := ac.BytesToString(clientCtx.GetFromAddress())
 			if err != nil {
 				return err
 			}
 
-			msg := types.NewMsgFinalizeTokenWithdrawal(
-				withdrawalInfo.BridgeId,
-				withdrawalInfo.OutputIndex,
-				withdrawalInfo.Sequence,
-				withdrawalInfo.WithdrawalProofs,
-				sender,
-				receiver,
-				withdrawalInfo.Amount,
-				withdrawalInfo.Version,
-				withdrawalInfo.StorageRoot,
-				withdrawalInfo.LastBlockHash,
-			)
+			msg.Sender = sender
 			if err = msg.Validate(ac); err != nil {
 				return err
 			}
 
-			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
+			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), &msg)
 		},
 	}
 
diff --git a/x/ophost/client/cli/tx_test.go b/x/ophost/client/cli/tx_test.go
index 92aad7a..5b41172 100644
--- a/x/ophost/client/cli/tx_test.go
+++ b/x/ophost/client/cli/tx_test.go
@@ -521,7 +521,8 @@ func (s *CLITestSuite) TestNewFinalizeTokenWithdrawal() {
 		"withdrawal_proofs": [
 			"q6T8JJm7AdbD4rgZ3BjanRHdE1x7aLZwp36pPrOOey4="
 		],
-		"sender": "init1q6jhwnarkw2j5qqgx3qlu20k8nrdglft5ksr0g",
+		"from": "init1q6jhwnarkw2j5qqgx3qlu20k8nrdglft5ksr0g",
+		"to": "init1q6jhwnarkw2j5qqgx3qlu20k8nrdglft5ksr0g",
 		"sequence": "5",
 		"amount": {"amount": "100", "denom": "uinit"},
 		"version": "AQ==",
diff --git a/x/ophost/keeper/msg_server.go b/x/ophost/keeper/msg_server.go
index acf33a6..7d2c130 100644
--- a/x/ophost/keeper/msg_server.go
+++ b/x/ophost/keeper/msg_server.go
@@ -280,7 +280,7 @@ func (ms MsgServer) FinalizeTokenWithdrawal(ctx context.Context, req *types.MsgF
 		return nil, err
 	}
 
-	receiver, err := ms.authKeeper.AddressCodec().StringToBytes(req.Receiver)
+	receiver, err := ms.authKeeper.AddressCodec().StringToBytes(req.To)
 	if err != nil {
 		return nil, err
 	}
@@ -310,7 +310,7 @@ func (ms MsgServer) FinalizeTokenWithdrawal(ctx context.Context, req *types.MsgF
 
 	// verify storage root can be generated from
 	// withdrawal proofs and withdrawal tx data.
-	withdrawalHash := types.GenerateWithdrawalHash(bridgeId, l2Sequence, req.Sender, req.Receiver, denom, amount.Uint64())
+	withdrawalHash := types.GenerateWithdrawalHash(bridgeId, l2Sequence, req.From, req.To, denom, amount.Uint64())
 	if ok, err := ms.HasProvenWithdrawal(ctx, bridgeId, withdrawalHash); err != nil {
 		return nil, err
 	} else if ok {
@@ -339,8 +339,8 @@ func (ms MsgServer) FinalizeTokenWithdrawal(ctx context.Context, req *types.MsgF
 		sdk.NewAttribute(types.AttributeKeyBridgeId, strconv.FormatUint(bridgeId, 10)),
 		sdk.NewAttribute(types.AttributeKeyOutputIndex, strconv.FormatUint(outputIndex, 10)),
 		sdk.NewAttribute(types.AttributeKeyL2Sequence, strconv.FormatUint(l2Sequence, 10)),
-		sdk.NewAttribute(types.AttributeKeyFrom, req.Sender),
-		sdk.NewAttribute(types.AttributeKeyTo, req.Receiver),
+		sdk.NewAttribute(types.AttributeKeyFrom, req.From),
+		sdk.NewAttribute(types.AttributeKeyTo, req.To),
 		sdk.NewAttribute(types.AttributeKeyL1Denom, denom),
 		sdk.NewAttribute(types.AttributeKeyL2Denom, types.L2Denom(bridgeId, denom)),
 		sdk.NewAttribute(types.AttributeKeyAmount, amount.String()),
diff --git a/x/ophost/keeper/msg_server_test.go b/x/ophost/keeper/msg_server_test.go
index 3e04326..af684bb 100644
--- a/x/ophost/keeper/msg_server_test.go
+++ b/x/ophost/keeper/msg_server_test.go
@@ -221,6 +221,7 @@ func Test_FinalizeTokenWithdrawal(t *testing.T) {
 
 	require.NoError(t, err)
 	_, err = ms.FinalizeTokenWithdrawal(ctx, types.NewMsgFinalizeTokenWithdrawal(
+		addrsStr[3], // any address can execute this
 		1, 1, 1, proofs,
 		sender,
 		receiver,
@@ -359,6 +360,11 @@ func Test_UpdateChallengers(t *testing.T) {
 	_, err = ms.UpdateChallengers(ctx, msg)
 	require.Error(t, err)
 
+	// case 6. remove all challengers
+	msg = types.NewMsgUpdateChallengers(addrsStr[4], 1, []string{})
+	_, err = ms.UpdateChallengers(ctx, msg)
+	require.Error(t, err)
+
 	// invalid signer
 	invalidAddr, err := input.AccountKeeper.AddressCodec().BytesToString(authtypes.NewModuleAddress(types.ModuleName))
 	require.NoError(t, err)
diff --git a/x/ophost/types/output.go b/x/ophost/types/output.go
index 2950d6d..d91b168 100644
--- a/x/ophost/types/output.go
+++ b/x/ophost/types/output.go
@@ -28,7 +28,6 @@ func GenerateOutputRoot(version byte, storageRoot []byte, latestBlockHash []byte
 }
 
 func GenerateWithdrawalHash(bridgeId uint64, l2Sequence uint64, sender string, receiver string, denom string, amount uint64) [32]byte {
-	const spliter = "|"
 	var withdrawalHash [32]byte
 	seed := []byte{}
 	seed = binary.BigEndian.AppendUint64(seed, bridgeId)
@@ -37,15 +36,12 @@ func GenerateWithdrawalHash(bridgeId uint64, l2Sequence uint64, sender string, r
 	// variable length
 	senderDigest := sha3.Sum256([]byte(sender))
 	seed = append(seed, senderDigest[:]...) // put utf8 encoded address
-	seed = append(seed, []byte(spliter)...)
 	// variable length
 	receiverDigest := sha3.Sum256([]byte(receiver))
 	seed = append(seed, receiverDigest[:]...) // put utf8 encoded address
-	seed = append(seed, []byte(spliter)...)
 	// variable length
 	denomDigest := sha3.Sum256([]byte(denom))
 	seed = append(seed, denomDigest[:]...)
-	seed = append(seed, []byte(spliter)...)
 	seed = binary.BigEndian.AppendUint64(seed, amount)
 
 	// double hash the leaf node
diff --git a/x/ophost/types/tx.go b/x/ophost/types/tx.go
index 6719458..996c60f 100644
--- a/x/ophost/types/tx.go
+++ b/x/ophost/types/tx.go
@@ -202,23 +202,25 @@ func (msg MsgInitiateTokenDeposit) Validate(ac address.Codec) error {
 
 // NewMsgFinalizeTokenWithdrawal creates a new MsgFinalizeTokenWithdrawal
 func NewMsgFinalizeTokenWithdrawal(
+	sender string,
 	bridgeId uint64,
 	outputIndex uint64,
 	sequence uint64,
 	withdrawalProofs [][]byte,
-	sender string,
-	receiver string,
+	from string,
+	to string,
 	amount sdk.Coin,
 	version []byte,
 	storageRoot []byte,
 	lastBlockHash []byte,
 ) *MsgFinalizeTokenWithdrawal {
 	return &MsgFinalizeTokenWithdrawal{
+		Sender:           sender,
 		BridgeId:         bridgeId,
 		OutputIndex:      outputIndex,
 		WithdrawalProofs: withdrawalProofs,
-		Sender:           sender,
-		Receiver:         receiver,
+		From:             from,
+		To:               to,
 		Sequence:         sequence,
 		Amount:           amount,
 		Version:          version,
@@ -229,12 +231,16 @@ func NewMsgFinalizeTokenWithdrawal(
 
 // Validate performs basic MsgFinalizeTokenWithdrawal message validation.
 func (msg MsgFinalizeTokenWithdrawal) Validate(ac address.Codec) error {
-	// cannot validate sender address as it can be any format of address based on the chain.
-	if len(msg.Sender) == 0 {
-		return sdkerrors.ErrInvalidAddress.Wrap("sender address cannot be empty")
+	if _, err := ac.StringToBytes(msg.Sender); err != nil {
+		return err
+	}
+
+	// cannot validate from address as it can be any format of address based on the chain.
+	if len(msg.From) == 0 {
+		return sdkerrors.ErrInvalidAddress.Wrap("from address cannot be empty")
 	}
 
-	if _, err := ac.StringToBytes(msg.Receiver); err != nil {
+	if _, err := ac.StringToBytes(msg.To); err != nil {
 		return err
 	}
 
diff --git a/x/ophost/types/tx.pb.go b/x/ophost/types/tx.pb.go
index 91a8587..644f786 100644
--- a/x/ophost/types/tx.pb.go
+++ b/x/ophost/types/tx.pb.go
@@ -427,17 +427,18 @@ var xxx_messageInfo_MsgInitiateTokenDepositResponse proto.InternalMessageInfo
 
 // MsgFinalizeTokenWithdrawal is a message finalizing funds withdrawal from L2.
 type MsgFinalizeTokenWithdrawal struct {
+	Sender           string     `protobuf:"bytes,1,opt,name=sender,proto3" json:"sender,omitempty" yaml:"sender"`
 	BridgeId         uint64     `protobuf:"varint,2,opt,name=bridge_id,json=bridgeId,proto3" json:"bridge_id,omitempty" yaml:"bridge_id"`
 	OutputIndex      uint64     `protobuf:"varint,3,opt,name=output_index,json=outputIndex,proto3" json:"output_index,omitempty" yaml:"output_index"`
 	WithdrawalProofs [][]byte   `protobuf:"bytes,4,rep,name=withdrawal_proofs,json=withdrawalProofs,proto3" json:"withdrawal_proofs,omitempty"`
-	Sender           string     `protobuf:"bytes,5,opt,name=sender,proto3" json:"sender,omitempty" yaml:"sender"`
-	Receiver         string     `protobuf:"bytes,1,opt,name=receiver,proto3" json:"receiver,omitempty" yaml:"receiver"`
-	Sequence         uint64     `protobuf:"varint,6,opt,name=sequence,proto3" json:"sequence,omitempty" yaml:"sequence"`
-	Amount           types.Coin `protobuf:"bytes,7,opt,name=amount,proto3" json:"amount" yaml:"amount"`
+	From             string     `protobuf:"bytes,5,opt,name=from,proto3" json:"from,omitempty" yaml:"from"`
+	To               string     `protobuf:"bytes,6,opt,name=to,proto3" json:"to,omitempty" yaml:"to"`
+	Sequence         uint64     `protobuf:"varint,7,opt,name=sequence,proto3" json:"sequence,omitempty" yaml:"sequence"`
+	Amount           types.Coin `protobuf:"bytes,8,opt,name=amount,proto3" json:"amount" yaml:"amount"`
 	// version of the output root
-	Version       []byte `protobuf:"bytes,8,opt,name=version,proto3" json:"version,omitempty" yaml:"version"`
-	StorageRoot   []byte `protobuf:"bytes,9,opt,name=storage_root,json=storageRoot,proto3" json:"storage_root,omitempty" yaml:"storage_root"`
-	LastBlockHash []byte `protobuf:"bytes,10,opt,name=last_block_hash,json=lastBlockHash,proto3" json:"last_block_hash,omitempty" yaml:"last_block_hash"`
+	Version       []byte `protobuf:"bytes,9,opt,name=version,proto3" json:"version,omitempty" yaml:"version"`
+	StorageRoot   []byte `protobuf:"bytes,10,opt,name=storage_root,json=storageRoot,proto3" json:"storage_root,omitempty" yaml:"storage_root"`
+	LastBlockHash []byte `protobuf:"bytes,11,opt,name=last_block_hash,json=lastBlockHash,proto3" json:"last_block_hash,omitempty" yaml:"last_block_hash"`
 }
 
 func (m *MsgFinalizeTokenWithdrawal) Reset()         { *m = MsgFinalizeTokenWithdrawal{} }
@@ -1035,110 +1036,111 @@ func init() {
 func init() { proto.RegisterFile("opinit/ophost/v1/tx.proto", fileDescriptor_d16af6eaf4088d05) }
 
 var fileDescriptor_d16af6eaf4088d05 = []byte{
-	// 1639 bytes of a gzipped FileDescriptorProto
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+	0xb4, 0x49, 0xb3, 0xbc, 0x99, 0xf8, 0x02, 0x56, 0xc3, 0x2f, 0x60, 0x44, 0x99, 0xc2, 0x6b, 0x00,
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+	0x37, 0xd8, 0xf2, 0xee, 0x81, 0xac, 0xdd, 0xa5, 0x4d, 0xec, 0xbb, 0xf4, 0x70, 0xf0, 0x6c, 0xa5,
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+	0x37, 0xf9, 0xb1, 0x4b, 0xb9, 0xc5, 0x48, 0xcc, 0x87, 0x24, 0xc6, 0xe3, 0x87, 0x7b, 0x60, 0x79,
+	0x40, 0xa8, 0x5a, 0xc7, 0x6a, 0xe2, 0x4b, 0x14, 0xed, 0x23, 0xf6, 0xc1, 0x5d, 0x1f, 0xdc, 0xc3,
+	0x79, 0xe4, 0x89, 0x7d, 0x1a, 0x7e, 0x96, 0x01, 0x0b, 0x6a, 0xa1, 0x6d, 0xb5, 0xb9, 0x90, 0xb3,
+	0x4e, 0xc0, 0xdb, 0x60, 0x96, 0x51, 0x1c, 0x6e, 0x77, 0xec, 0x80, 0x3b, 0xb6, 0x96, 0x35, 0xb7,
+	0xc2, 0x92, 0x4d, 0x00, 0x46, 0xbb, 0x32, 0xe3, 0xa1, 0x83, 0x48, 0x6c, 0xe5, 0xe2, 0x60, 0x26,
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+	0x9a, 0x5a, 0x8b, 0x1f, 0xb9, 0x77, 0xbc, 0x3d, 0x7c, 0xd6, 0xd9, 0x40, 0x80, 0x51, 0x58, 0x15,
+	0x37, 0x0a, 0xd7, 0xdb, 0x13, 0xdb, 0x75, 0x6e, 0xeb, 0xd2, 0x90, 0xb3, 0x79, 0xe0, 0xb3, 0x09,
+	0x65, 0x0f, 0xbc, 0x18, 0x66, 0x2b, 0x9c, 0x40, 0xf6, 0x42, 0xf6, 0x95, 0x29, 0x8b, 0xf2, 0xc6,
+	0x60, 0x5e, 0x96, 0x93, 0x79, 0x51, 0x68, 0xe8, 0xf0, 0x3d, 0x32, 0x21, 0x7d, 0x13, 0x39, 0xf9,
+	0x28, 0x03, 0x2e, 0xaa, 0x95, 0xee, 0xfb, 0x76, 0xbd, 0x25, 0xef, 0x1e, 0x67, 0x9d, 0x96, 0xbf,
+	0x82, 0x19, 0xcc, 0xdd, 0xa9, 0x22, 0xcf, 0xae, 0xb5, 0x50, 0x83, 0xa7, 0x65, 0xd2, 0x5c, 0x0e,
+	0x59, 0x8f, 0xeb, 0xa1, 0x35, 0x2d, 0x04, 0x7f, 0x13, 0xe3, 0x72, 0x69, 0x90, 0xf1, 0xcb, 0x49,
+	0xc6, 0xa3, 0x11, 0x43, 0x03, 0x5c, 0x19, 0xaa, 0x50, 0xed, 0xfc, 0x87, 0x74, 0xa4, 0x9d, 0x57,
+	0x10, 0xb5, 0xd9, 0x39, 0xea, 0xac, 0x89, 0x2a, 0x81, 0xc9, 0xb6, 0x74, 0x45, 0xde, 0x93, 0x23,
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+	0x13, 0x75, 0xf8, 0xa5, 0xb8, 0xd3, 0xc8, 0x4d, 0xc1, 0xf6, 0xed, 0xf6, 0xeb, 0x6d, 0xd3, 0xdb,
+	0x60, 0xa2, 0xc3, 0x67, 0x95, 0x37, 0xef, 0xfc, 0xe0, 0xd7, 0x2d, 0x56, 0x35, 0xe7, 0xc3, 0xa3,
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+	0xba, 0xf2, 0x6c, 0x0c, 0x9d, 0x6d, 0x04, 0x5a, 0xff, 0xe3, 0x2f, 0x41, 0xab, 0xe5, 0x6b, 0x60,
+	0x26, 0x71, 0x0a, 0xbd, 0x3a, 0x74, 0x9e, 0x38, 0x48, 0xbf, 0x79, 0x0a, 0x90, 0x5a, 0xe3, 0x21,
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+	0x60, 0x36, 0x79, 0x90, 0xb8, 0x76, 0xc2, 0x14, 0x0a, 0xa5, 0x6f, 0x9c, 0x06, 0x35, 0xc8, 0x9b,
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+	0xb7, 0x7a, 0x12, 0xe9, 0x1c, 0x32, 0xa2, 0xdc, 0x87, 0xb5, 0x1b, 0xfd, 0xdc, 0xfb, 0xec, 0x34,
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+	0xbc, 0x90, 0xfe, 0xe4, 0xb8, 0x90, 0x7a, 0x76, 0x5c, 0x48, 0x7d, 0x73, 0x5c, 0x48, 0xbd, 0xb5,
+	0xe1, 0xb8, 0xb4, 0xd9, 0xad, 0x15, 0xeb, 0xb8, 0x5d, 0x72, 0x79, 0x19, 0xdf, 0x6a, 0xd9, 0x35,
+	0x52, 0xba, 0xbf, 0xcb, 0x9f, 0x8d, 0x1f, 0x05, 0x0f, 0xc7, 0xfc, 0xd5, 0xb8, 0x36, 0xc1, 0x9f,
+	0x8d, 0xff, 0xf0, 0x73, 0x00, 0x00, 0x00, 0xff, 0xff, 0xf9, 0x12, 0xab, 0x52, 0x00, 0x17, 0x00,
+	0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -1988,21 +1990,21 @@ func (m *MsgFinalizeTokenWithdrawal) MarshalToSizedBuffer(dAtA []byte) (int, err
 		copy(dAtA[i:], m.LastBlockHash)
 		i = encodeVarintTx(dAtA, i, uint64(len(m.LastBlockHash)))
 		i--
-		dAtA[i] = 0x52
+		dAtA[i] = 0x5a
 	}
 	if len(m.StorageRoot) > 0 {
 		i -= len(m.StorageRoot)
 		copy(dAtA[i:], m.StorageRoot)
 		i = encodeVarintTx(dAtA, i, uint64(len(m.StorageRoot)))
 		i--
-		dAtA[i] = 0x4a
+		dAtA[i] = 0x52
 	}
 	if len(m.Version) > 0 {
 		i -= len(m.Version)
 		copy(dAtA[i:], m.Version)
 		i = encodeVarintTx(dAtA, i, uint64(len(m.Version)))
 		i--
-		dAtA[i] = 0x42
+		dAtA[i] = 0x4a
 	}
 	{
 		size, err := m.Amount.MarshalToSizedBuffer(dAtA[:i])
@@ -2013,16 +2015,23 @@ func (m *MsgFinalizeTokenWithdrawal) MarshalToSizedBuffer(dAtA []byte) (int, err
 		i = encodeVarintTx(dAtA, i, uint64(size))
 	}
 	i--
-	dAtA[i] = 0x3a
+	dAtA[i] = 0x42
 	if m.Sequence != 0 {
 		i = encodeVarintTx(dAtA, i, uint64(m.Sequence))
 		i--
-		dAtA[i] = 0x30
+		dAtA[i] = 0x38
 	}
-	if len(m.Sender) > 0 {
-		i -= len(m.Sender)
-		copy(dAtA[i:], m.Sender)
-		i = encodeVarintTx(dAtA, i, uint64(len(m.Sender)))
+	if len(m.To) > 0 {
+		i -= len(m.To)
+		copy(dAtA[i:], m.To)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.To)))
+		i--
+		dAtA[i] = 0x32
+	}
+	if len(m.From) > 0 {
+		i -= len(m.From)
+		copy(dAtA[i:], m.From)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.From)))
 		i--
 		dAtA[i] = 0x2a
 	}
@@ -2045,10 +2054,10 @@ func (m *MsgFinalizeTokenWithdrawal) MarshalToSizedBuffer(dAtA []byte) (int, err
 		i--
 		dAtA[i] = 0x10
 	}
-	if len(m.Receiver) > 0 {
-		i -= len(m.Receiver)
-		copy(dAtA[i:], m.Receiver)
-		i = encodeVarintTx(dAtA, i, uint64(len(m.Receiver)))
+	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
 	}
@@ -2690,7 +2699,7 @@ func (m *MsgFinalizeTokenWithdrawal) Size() (n int) {
 	}
 	var l int
 	_ = l
-	l = len(m.Receiver)
+	l = len(m.Sender)
 	if l > 0 {
 		n += 1 + l + sovTx(uint64(l))
 	}
@@ -2706,7 +2715,11 @@ func (m *MsgFinalizeTokenWithdrawal) Size() (n int) {
 			n += 1 + l + sovTx(uint64(l))
 		}
 	}
-	l = len(m.Sender)
+	l = len(m.From)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	l = len(m.To)
 	if l > 0 {
 		n += 1 + l + sovTx(uint64(l))
 	}
@@ -4001,7 +4014,7 @@ func (m *MsgFinalizeTokenWithdrawal) Unmarshal(dAtA []byte) error {
 		switch fieldNum {
 		case 1:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Receiver", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field Sender", wireType)
 			}
 			var stringLen uint64
 			for shift := uint(0); ; shift += 7 {
@@ -4029,7 +4042,7 @@ func (m *MsgFinalizeTokenWithdrawal) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.Receiver = string(dAtA[iNdEx:postIndex])
+			m.Sender = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
 		case 2:
 			if wireType != 0 {
@@ -4103,7 +4116,7 @@ func (m *MsgFinalizeTokenWithdrawal) Unmarshal(dAtA []byte) error {
 			iNdEx = postIndex
 		case 5:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Sender", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field From", wireType)
 			}
 			var stringLen uint64
 			for shift := uint(0); ; shift += 7 {
@@ -4131,9 +4144,41 @@ func (m *MsgFinalizeTokenWithdrawal) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.Sender = string(dAtA[iNdEx:postIndex])
+			m.From = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
 		case 6:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field To", 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.To = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 7:
 			if wireType != 0 {
 				return fmt.Errorf("proto: wrong wireType = %d for field Sequence", wireType)
 			}
@@ -4152,7 +4197,7 @@ func (m *MsgFinalizeTokenWithdrawal) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
-		case 7:
+		case 8:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field Amount", wireType)
 			}
@@ -4185,7 +4230,7 @@ func (m *MsgFinalizeTokenWithdrawal) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
-		case 8:
+		case 9:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field Version", wireType)
 			}
@@ -4219,7 +4264,7 @@ func (m *MsgFinalizeTokenWithdrawal) Unmarshal(dAtA []byte) error {
 				m.Version = []byte{}
 			}
 			iNdEx = postIndex
-		case 9:
+		case 10:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field StorageRoot", wireType)
 			}
@@ -4253,7 +4298,7 @@ func (m *MsgFinalizeTokenWithdrawal) Unmarshal(dAtA []byte) error {
 				m.StorageRoot = []byte{}
 			}
 			iNdEx = postIndex
-		case 10:
+		case 11:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field LastBlockHash", wireType)
 			}