diff --git a/CHANGELOG.md b/CHANGELOG.md
index 63908faaf..dc9c6318f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@
 ### FEATURES
 
 - [\#69](https://github.com/cosmos/evm/pull/69) Add new `x/precisebank` module with bank decimal extension for EVM usage.
+- [\#84](https://github.com/cosmos/evm/pull/84) permissionless erc20 registration to cosmos coin conversion
 
 ### STATE BREAKING
 
diff --git a/api/cosmos/evm/erc20/v1/tx.pulsar.go b/api/cosmos/evm/erc20/v1/tx.pulsar.go
index 5efbf0635..0487e8734 100644
--- a/api/cosmos/evm/erc20/v1/tx.pulsar.go
+++ b/api/cosmos/evm/erc20/v1/tx.pulsar.go
@@ -2808,14 +2808,14 @@ func (x *_MsgRegisterERC20_2_list) IsValid() bool {
 
 var (
 	md_MsgRegisterERC20                protoreflect.MessageDescriptor
-	fd_MsgRegisterERC20_authority      protoreflect.FieldDescriptor
+	fd_MsgRegisterERC20_signer         protoreflect.FieldDescriptor
 	fd_MsgRegisterERC20_erc20addresses protoreflect.FieldDescriptor
 )
 
 func init() {
 	file_cosmos_evm_erc20_v1_tx_proto_init()
 	md_MsgRegisterERC20 = File_cosmos_evm_erc20_v1_tx_proto.Messages().ByName("MsgRegisterERC20")
-	fd_MsgRegisterERC20_authority = md_MsgRegisterERC20.Fields().ByName("authority")
+	fd_MsgRegisterERC20_signer = md_MsgRegisterERC20.Fields().ByName("signer")
 	fd_MsgRegisterERC20_erc20addresses = md_MsgRegisterERC20.Fields().ByName("erc20addresses")
 }
 
@@ -2884,9 +2884,9 @@ func (x *fastReflection_MsgRegisterERC20) Interface() protoreflect.ProtoMessage
 // While iterating, mutating operations may only be performed
 // on the current field descriptor.
 func (x *fastReflection_MsgRegisterERC20) Range(f func(protoreflect.FieldDescriptor, protoreflect.Value) bool) {
-	if x.Authority != "" {
-		value := protoreflect.ValueOfString(x.Authority)
-		if !f(fd_MsgRegisterERC20_authority, value) {
+	if x.Signer != "" {
+		value := protoreflect.ValueOfString(x.Signer)
+		if !f(fd_MsgRegisterERC20_signer, value) {
 			return
 		}
 	}
@@ -2911,8 +2911,8 @@ func (x *fastReflection_MsgRegisterERC20) Range(f func(protoreflect.FieldDescrip
 // a repeated field is populated if it is non-empty.
 func (x *fastReflection_MsgRegisterERC20) Has(fd protoreflect.FieldDescriptor) bool {
 	switch fd.FullName() {
-	case "cosmos.evm.erc20.v1.MsgRegisterERC20.authority":
-		return x.Authority != ""
+	case "cosmos.evm.erc20.v1.MsgRegisterERC20.signer":
+		return x.Signer != ""
 	case "cosmos.evm.erc20.v1.MsgRegisterERC20.erc20addresses":
 		return len(x.Erc20Addresses) != 0
 	default:
@@ -2931,8 +2931,8 @@ func (x *fastReflection_MsgRegisterERC20) Has(fd protoreflect.FieldDescriptor) b
 // Clear is a mutating operation and unsafe for concurrent use.
 func (x *fastReflection_MsgRegisterERC20) Clear(fd protoreflect.FieldDescriptor) {
 	switch fd.FullName() {
-	case "cosmos.evm.erc20.v1.MsgRegisterERC20.authority":
-		x.Authority = ""
+	case "cosmos.evm.erc20.v1.MsgRegisterERC20.signer":
+		x.Signer = ""
 	case "cosmos.evm.erc20.v1.MsgRegisterERC20.erc20addresses":
 		x.Erc20Addresses = nil
 	default:
@@ -2951,8 +2951,8 @@ func (x *fastReflection_MsgRegisterERC20) Clear(fd protoreflect.FieldDescriptor)
 // of the value; to obtain a mutable reference, use Mutable.
 func (x *fastReflection_MsgRegisterERC20) Get(descriptor protoreflect.FieldDescriptor) protoreflect.Value {
 	switch descriptor.FullName() {
-	case "cosmos.evm.erc20.v1.MsgRegisterERC20.authority":
-		value := x.Authority
+	case "cosmos.evm.erc20.v1.MsgRegisterERC20.signer":
+		value := x.Signer
 		return protoreflect.ValueOfString(value)
 	case "cosmos.evm.erc20.v1.MsgRegisterERC20.erc20addresses":
 		if len(x.Erc20Addresses) == 0 {
@@ -2980,8 +2980,8 @@ func (x *fastReflection_MsgRegisterERC20) Get(descriptor protoreflect.FieldDescr
 // Set is a mutating operation and unsafe for concurrent use.
 func (x *fastReflection_MsgRegisterERC20) Set(fd protoreflect.FieldDescriptor, value protoreflect.Value) {
 	switch fd.FullName() {
-	case "cosmos.evm.erc20.v1.MsgRegisterERC20.authority":
-		x.Authority = value.Interface().(string)
+	case "cosmos.evm.erc20.v1.MsgRegisterERC20.signer":
+		x.Signer = value.Interface().(string)
 	case "cosmos.evm.erc20.v1.MsgRegisterERC20.erc20addresses":
 		lv := value.List()
 		clv := lv.(*_MsgRegisterERC20_2_list)
@@ -3012,8 +3012,8 @@ func (x *fastReflection_MsgRegisterERC20) Mutable(fd protoreflect.FieldDescripto
 		}
 		value := &_MsgRegisterERC20_2_list{list: &x.Erc20Addresses}
 		return protoreflect.ValueOfList(value)
-	case "cosmos.evm.erc20.v1.MsgRegisterERC20.authority":
-		panic(fmt.Errorf("field authority of message cosmos.evm.erc20.v1.MsgRegisterERC20 is not mutable"))
+	case "cosmos.evm.erc20.v1.MsgRegisterERC20.signer":
+		panic(fmt.Errorf("field signer of message cosmos.evm.erc20.v1.MsgRegisterERC20 is not mutable"))
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.evm.erc20.v1.MsgRegisterERC20"))
@@ -3027,7 +3027,7 @@ func (x *fastReflection_MsgRegisterERC20) Mutable(fd protoreflect.FieldDescripto
 // For lists, maps, and messages, this returns a new, empty, mutable value.
 func (x *fastReflection_MsgRegisterERC20) NewField(fd protoreflect.FieldDescriptor) protoreflect.Value {
 	switch fd.FullName() {
-	case "cosmos.evm.erc20.v1.MsgRegisterERC20.authority":
+	case "cosmos.evm.erc20.v1.MsgRegisterERC20.signer":
 		return protoreflect.ValueOfString("")
 	case "cosmos.evm.erc20.v1.MsgRegisterERC20.erc20addresses":
 		list := []string{}
@@ -3101,7 +3101,7 @@ func (x *fastReflection_MsgRegisterERC20) ProtoMethods() *protoiface.Methods {
 		var n int
 		var l int
 		_ = l
-		l = len(x.Authority)
+		l = len(x.Signer)
 		if l > 0 {
 			n += 1 + l + runtime.Sov(uint64(l))
 		}
@@ -3149,10 +3149,10 @@ func (x *fastReflection_MsgRegisterERC20) ProtoMethods() *protoiface.Methods {
 				dAtA[i] = 0x12
 			}
 		}
-		if len(x.Authority) > 0 {
-			i -= len(x.Authority)
-			copy(dAtA[i:], x.Authority)
-			i = runtime.EncodeVarint(dAtA, i, uint64(len(x.Authority)))
+		if len(x.Signer) > 0 {
+			i -= len(x.Signer)
+			copy(dAtA[i:], x.Signer)
+			i = runtime.EncodeVarint(dAtA, i, uint64(len(x.Signer)))
 			i--
 			dAtA[i] = 0xa
 		}
@@ -3207,7 +3207,7 @@ func (x *fastReflection_MsgRegisterERC20) ProtoMethods() *protoiface.Methods {
 			switch fieldNum {
 			case 1:
 				if wireType != 2 {
-					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field Authority", wireType)
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field Signer", wireType)
 				}
 				var stringLen uint64
 				for shift := uint(0); ; shift += 7 {
@@ -3235,7 +3235,7 @@ func (x *fastReflection_MsgRegisterERC20) ProtoMethods() *protoiface.Methods {
 				if postIndex > l {
 					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
 				}
-				x.Authority = string(dAtA[iNdEx:postIndex])
+				x.Signer = string(dAtA[iNdEx:postIndex])
 				iNdEx = postIndex
 			case 2:
 				if wireType != 2 {
@@ -4774,8 +4774,8 @@ type MsgRegisterERC20 struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// authority is the address of the governance account.
-	Authority string `protobuf:"bytes,1,opt,name=authority,proto3" json:"authority,omitempty"`
+	// signer is the address registering the erc20 pairs
+	Signer string `protobuf:"bytes,1,opt,name=signer,proto3" json:"signer,omitempty"`
 	// erc20addresses is a slice of ERC20 token contract hex addresses
 	Erc20Addresses []string `protobuf:"bytes,2,rep,name=erc20addresses,proto3" json:"erc20addresses,omitempty"`
 }
@@ -4800,9 +4800,9 @@ func (*MsgRegisterERC20) Descriptor() ([]byte, []int) {
 	return file_cosmos_evm_erc20_v1_tx_proto_rawDescGZIP(), []int{6}
 }
 
-func (x *MsgRegisterERC20) GetAuthority() string {
+func (x *MsgRegisterERC20) GetSigner() string {
 	if x != nil {
-		return x.Authority
+		return x.Signer
 	}
 	return ""
 }
@@ -4927,133 +4927,136 @@ var file_cosmos_evm_erc20_v1_tx_proto_rawDesc = []byte{
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+	0x56, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/proto/cosmos/evm/erc20/v1/tx.proto b/proto/cosmos/evm/erc20/v1/tx.proto
index b576877e2..a66010f3f 100644
--- a/proto/cosmos/evm/erc20/v1/tx.proto
+++ b/proto/cosmos/evm/erc20/v1/tx.proto
@@ -55,7 +55,7 @@ message MsgConvertERC20 {
     (amino.dont_omitempty) = true
   ];
   // receiver is the bech32 address to receive native Cosmos coins
-  string receiver = 3;
+  string receiver = 3 [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
   // sender is the hex address from the owner of the given ERC20 tokens
   string sender = 4;
 }
@@ -74,7 +74,7 @@ message MsgConvertCoin {
   string receiver = 2;
   // sender is the cosmos bech32 address from the owner of the given Cosmos
   // coins
-  string sender = 3;
+  string sender = 3 [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
 }
 
 // MsgConvertCoinResponse returns no fields
@@ -104,10 +104,10 @@ message MsgUpdateParamsResponse {}
 // an Erc20 contract token pair.
 message MsgRegisterERC20 {
   option (amino.name) = "cosmos/evm/x/erc20/MsgRegisterERC20";
-  option (cosmos.msg.v1.signer) = "authority";
+  option (cosmos.msg.v1.signer) = "signer";
 
-  // authority is the address of the governance account.
-  string authority = 1 [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
+  // signer is the address registering the erc20 pairs
+  string signer = 1 [ (cosmos_proto.scalar) = "cosmos.AddressString" ];
 
   // erc20addresses is a slice of ERC20 token contract hex addresses
   repeated string erc20addresses = 2;
diff --git a/tests/ibc/helper.go b/tests/ibc/helper.go
index c2767e81f..3af6ae4e3 100644
--- a/tests/ibc/helper.go
+++ b/tests/ibc/helper.go
@@ -49,7 +49,7 @@ func SetupNativeErc20(t *testing.T, chain *evmibctesting.TestChain) *NativeErc20
 
 	// Register the contract
 	_, err = evmApp.Erc20Keeper.RegisterERC20(evmCtx, &erc20types.MsgRegisterERC20{
-		Authority:      authtypes.NewModuleAddress(govtypes.ModuleName).String(),
+		Signer:         authtypes.NewModuleAddress(govtypes.ModuleName).String(), // does not have to be gov
 		Erc20Addresses: []string{contractAddr.Hex()},
 	})
 	if err != nil {
diff --git a/testutil/integration/os/utils/erc20.go b/testutil/integration/os/utils/erc20.go
index 4fa95faac..281087ab0 100644
--- a/testutil/integration/os/utils/erc20.go
+++ b/testutil/integration/os/utils/erc20.go
@@ -58,7 +58,7 @@ func RegisterERC20(tf factory.TxFactory, network network.Network, data ERC20Regi
 	}
 
 	proposal := erc20types.MsgRegisterERC20{
-		Authority:      authtypes.NewModuleAddress("gov").String(),
+		Signer:         authtypes.NewModuleAddress("gov").String(),
 		Erc20Addresses: data.Addresses,
 	}
 
diff --git a/x/erc20/client/cli/tx.go b/x/erc20/client/cli/tx.go
index eb7bfb046..647630ddd 100644
--- a/x/erc20/client/cli/tx.go
+++ b/x/erc20/client/cli/tx.go
@@ -30,6 +30,7 @@ func NewTxCmd() *cobra.Command {
 	txCmd.AddCommand(
 		NewConvertCoinCmd(),
 		NewConvertERC20Cmd(),
+		NewMsgRegisterERC20Cmd(),
 	)
 	return txCmd
 }
@@ -127,3 +128,33 @@ func NewConvertCoinCmd() *cobra.Command {
 	flags.AddTxFlagsToCmd(cmd)
 	return cmd
 }
+
+func NewMsgRegisterERC20Cmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "register-erc20 [CONTRACT_ADDRESS...]",
+		Short: "Register a native ERC20 token",
+		Args:  cobra.MinimumNArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			cliCtx, err := client.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			for _, contract := range args {
+				if err := cosmosevmtypes.ValidateAddress(contract); err != nil {
+					return fmt.Errorf("invalid ERC20 contract address %w", err)
+				}
+			}
+
+			msg := &types.MsgRegisterERC20{
+				Signer:         cliCtx.GetFromAddress().String(),
+				Erc20Addresses: args,
+			}
+
+			return tx.GenerateOrBroadcastTxCLI(cliCtx, cmd.Flags(), msg)
+		},
+	}
+
+	flags.AddTxFlagsToCmd(cmd)
+	return cmd
+}
diff --git a/x/erc20/keeper/msg_server.go b/x/erc20/keeper/msg_server.go
index e516ff020..e8601fd63 100644
--- a/x/erc20/keeper/msg_server.go
+++ b/x/erc20/keeper/msg_server.go
@@ -315,9 +315,8 @@ func (k *Keeper) UpdateParams(goCtx context.Context, req *types.MsgUpdateParams)
 	return &types.MsgUpdateParamsResponse{}, nil
 }
 
-// RegisterERC20 implements the gRPC MsgServer interface. After a successful governance vote
-// it updates creates the token pair for an ERC20 contract if the requested authority
-// is the Cosmos SDK governance module account
+// RegisterERC20 implements the gRPC MsgServer interface. Any account can permissionlessly
+// register a native ERC20 contract to map to a Cosmos Coin.
 func (k *Keeper) RegisterERC20(goCtx context.Context, req *types.MsgRegisterERC20) (*types.MsgRegisterERC20Response, error) {
 	ctx := sdk.UnwrapSDKContext(goCtx)
 	// Check if the conversion is globally enabled
@@ -325,10 +324,6 @@ func (k *Keeper) RegisterERC20(goCtx context.Context, req *types.MsgRegisterERC2
 		return nil, types.ErrERC20Disabled.Wrap("registration is currently disabled by governance")
 	}
 
-	if err := k.validateAuthority(req.Authority); err != nil {
-		return nil, err
-	}
-
 	for _, addr := range req.Erc20Addresses {
 		if !common.IsHexAddress(addr) {
 			return nil, errortypes.ErrInvalidAddress.Wrapf("invalid ERC20 contract address: %s", addr)
diff --git a/x/erc20/keeper/proposals_test.go b/x/erc20/keeper/proposals_test.go
index 324fbcd28..780aa3142 100644
--- a/x/erc20/keeper/proposals_test.go
+++ b/x/erc20/keeper/proposals_test.go
@@ -166,7 +166,7 @@ func (suite *KeeperTestSuite) TestRegisterERC20() {
 			tc.malleate()
 
 			_, err = suite.network.App.Erc20Keeper.RegisterERC20(ctx, &types.MsgRegisterERC20{
-				Authority:      authtypes.NewModuleAddress("gov").String(),
+				Signer:         suite.keyring.GetAccAddr(0).String(),
 				Erc20Addresses: []string{contractAddr.Hex()},
 			})
 			metadata, found := suite.network.App.BankKeeper.GetDenomMetaData(ctx, coinName)
diff --git a/x/erc20/types/msg.go b/x/erc20/types/msg.go
index e6677f315..9970b57a3 100644
--- a/x/erc20/types/msg.go
+++ b/x/erc20/types/msg.go
@@ -100,6 +100,11 @@ func (m MsgUpdateParams) GetSignBytes() []byte {
 
 // ValidateBasic does a sanity check of the provided data
 func (m *MsgRegisterERC20) ValidateBasic() error {
+	_, err := sdk.AccAddressFromBech32(m.Signer)
+	if err != nil {
+		return errorsmod.Wrap(err, "invalid signer address")
+	}
+
 	for _, addr := range m.Erc20Addresses {
 		if !common.IsHexAddress(addr) {
 			return errortypes.ErrInvalidAddress.Wrapf("invalid ERC20 contract address: %s", addr)
diff --git a/x/erc20/types/tx.pb.go b/x/erc20/types/tx.pb.go
index 29e2877ba..326cb74b7 100644
--- a/x/erc20/types/tx.pb.go
+++ b/x/erc20/types/tx.pb.go
@@ -341,8 +341,8 @@ var xxx_messageInfo_MsgUpdateParamsResponse proto.InternalMessageInfo
 // MsgRegisterERC20 is the Msg/RegisterERC20 request type for registering
 // an Erc20 contract token pair.
 type MsgRegisterERC20 struct {
-	// authority is the address of the governance account.
-	Authority string `protobuf:"bytes,1,opt,name=authority,proto3" json:"authority,omitempty"`
+	// signer is the address registering the erc20 pairs
+	Signer string `protobuf:"bytes,1,opt,name=signer,proto3" json:"signer,omitempty"`
 	// erc20addresses is a slice of ERC20 token contract hex addresses
 	Erc20Addresses []string `protobuf:"bytes,2,rep,name=erc20addresses,proto3" json:"erc20addresses,omitempty"`
 }
@@ -380,9 +380,9 @@ func (m *MsgRegisterERC20) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgRegisterERC20 proto.InternalMessageInfo
 
-func (m *MsgRegisterERC20) GetAuthority() string {
+func (m *MsgRegisterERC20) GetSigner() string {
 	if m != nil {
-		return m.Authority
+		return m.Signer
 	}
 	return ""
 }
@@ -543,56 +543,57 @@ func init() {
 func init() { proto.RegisterFile("cosmos/evm/erc20/v1/tx.proto", fileDescriptor_e06c8e6992ada536) }
 
 var fileDescriptor_e06c8e6992ada536 = []byte{
-	// 771 bytes of a gzipped FileDescriptorProto
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-	0x07, 0x00, 0x00,
+	// 796 bytes of a gzipped FileDescriptorProto
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 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -1084,10 +1085,10 @@ func (m *MsgRegisterERC20) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 			dAtA[i] = 0x12
 		}
 	}
-	if len(m.Authority) > 0 {
-		i -= len(m.Authority)
-		copy(dAtA[i:], m.Authority)
-		i = encodeVarintTx(dAtA, i, uint64(len(m.Authority)))
+	if len(m.Signer) > 0 {
+		i -= len(m.Signer)
+		copy(dAtA[i:], m.Signer)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Signer)))
 		i--
 		dAtA[i] = 0xa
 	}
@@ -1278,7 +1279,7 @@ func (m *MsgRegisterERC20) Size() (n int) {
 	}
 	var l int
 	_ = l
-	l = len(m.Authority)
+	l = len(m.Signer)
 	if l > 0 {
 		n += 1 + l + sovTx(uint64(l))
 	}
@@ -1955,7 +1956,7 @@ func (m *MsgRegisterERC20) Unmarshal(dAtA []byte) error {
 		switch fieldNum {
 		case 1:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Authority", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field Signer", wireType)
 			}
 			var stringLen uint64
 			for shift := uint(0); ; shift += 7 {
@@ -1983,7 +1984,7 @@ func (m *MsgRegisterERC20) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.Authority = string(dAtA[iNdEx:postIndex])
+			m.Signer = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
 		case 2:
 			if wireType != 2 {
diff --git a/x/erc20/types/tx.pb.gw.go b/x/erc20/types/tx.pb.gw.go
index abeb08222..ea477d402 100644
--- a/x/erc20/types/tx.pb.gw.go
+++ b/x/erc20/types/tx.pb.gw.go
@@ -244,7 +244,7 @@ func RegisterMsgHandlerClient(ctx context.Context, mux *runtime.ServeMux, client
 var (
 	pattern_Msg_ConvertERC20_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3, 2, 4, 2, 5}, []string{"cosmos", "evm", "erc20", "v1", "tx", "convert_erc20"}, "", runtime.AssumeColonVerbOpt(false)))
 
-	pattern_Msg_ConvertCoin_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3, 2, 4}, []string{"os", "erc20", "v1", "tx", "convert_coin"}, "", runtime.AssumeColonVerbOpt(false)))
+	pattern_Msg_ConvertCoin_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3, 2, 4, 2, 5}, []string{"cosmos", "evm", "erc20", "v1", "tx", "convert_coin"}, "", runtime.AssumeColonVerbOpt(false)))
 )
 
 var (