diff --git a/api/cerc/onboarding/v1/onboarding.pulsar.go b/api/cerc/onboarding/v1/onboarding.pulsar.go
index f044479a..692bdaf6 100644
--- a/api/cerc/onboarding/v1/onboarding.pulsar.go
+++ b/api/cerc/onboarding/v1/onboarding.pulsar.go
@@ -427,6 +427,8 @@ var (
 	md_Participant                protoreflect.MessageDescriptor
 	fd_Participant_cosmos_address protoreflect.FieldDescriptor
 	fd_Participant_nitro_address  protoreflect.FieldDescriptor
+	fd_Participant_role           protoreflect.FieldDescriptor
+	fd_Participant_kyc_id         protoreflect.FieldDescriptor
 )
 
 func init() {
@@ -434,6 +436,8 @@ func init() {
 	md_Participant = File_cerc_onboarding_v1_onboarding_proto.Messages().ByName("Participant")
 	fd_Participant_cosmos_address = md_Participant.Fields().ByName("cosmos_address")
 	fd_Participant_nitro_address = md_Participant.Fields().ByName("nitro_address")
+	fd_Participant_role = md_Participant.Fields().ByName("role")
+	fd_Participant_kyc_id = md_Participant.Fields().ByName("kyc_id")
 }
 
 var _ protoreflect.Message = (*fastReflection_Participant)(nil)
@@ -513,6 +517,18 @@ func (x *fastReflection_Participant) Range(f func(protoreflect.FieldDescriptor,
 			return
 		}
 	}
+	if x.Role != "" {
+		value := protoreflect.ValueOfString(x.Role)
+		if !f(fd_Participant_role, value) {
+			return
+		}
+	}
+	if x.KycId != "" {
+		value := protoreflect.ValueOfString(x.KycId)
+		if !f(fd_Participant_kyc_id, value) {
+			return
+		}
+	}
 }
 
 // Has reports whether a field is populated.
@@ -532,6 +548,10 @@ func (x *fastReflection_Participant) Has(fd protoreflect.FieldDescriptor) bool {
 		return x.CosmosAddress != ""
 	case "cerc.onboarding.v1.Participant.nitro_address":
 		return x.NitroAddress != ""
+	case "cerc.onboarding.v1.Participant.role":
+		return x.Role != ""
+	case "cerc.onboarding.v1.Participant.kyc_id":
+		return x.KycId != ""
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.onboarding.v1.Participant"))
@@ -552,6 +572,10 @@ func (x *fastReflection_Participant) Clear(fd protoreflect.FieldDescriptor) {
 		x.CosmosAddress = ""
 	case "cerc.onboarding.v1.Participant.nitro_address":
 		x.NitroAddress = ""
+	case "cerc.onboarding.v1.Participant.role":
+		x.Role = ""
+	case "cerc.onboarding.v1.Participant.kyc_id":
+		x.KycId = ""
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.onboarding.v1.Participant"))
@@ -574,6 +598,12 @@ func (x *fastReflection_Participant) Get(descriptor protoreflect.FieldDescriptor
 	case "cerc.onboarding.v1.Participant.nitro_address":
 		value := x.NitroAddress
 		return protoreflect.ValueOfString(value)
+	case "cerc.onboarding.v1.Participant.role":
+		value := x.Role
+		return protoreflect.ValueOfString(value)
+	case "cerc.onboarding.v1.Participant.kyc_id":
+		value := x.KycId
+		return protoreflect.ValueOfString(value)
 	default:
 		if descriptor.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.onboarding.v1.Participant"))
@@ -598,6 +628,10 @@ func (x *fastReflection_Participant) Set(fd protoreflect.FieldDescriptor, value
 		x.CosmosAddress = value.Interface().(string)
 	case "cerc.onboarding.v1.Participant.nitro_address":
 		x.NitroAddress = value.Interface().(string)
+	case "cerc.onboarding.v1.Participant.role":
+		x.Role = value.Interface().(string)
+	case "cerc.onboarding.v1.Participant.kyc_id":
+		x.KycId = value.Interface().(string)
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.onboarding.v1.Participant"))
@@ -622,6 +656,10 @@ func (x *fastReflection_Participant) Mutable(fd protoreflect.FieldDescriptor) pr
 		panic(fmt.Errorf("field cosmos_address of message cerc.onboarding.v1.Participant is not mutable"))
 	case "cerc.onboarding.v1.Participant.nitro_address":
 		panic(fmt.Errorf("field nitro_address of message cerc.onboarding.v1.Participant is not mutable"))
+	case "cerc.onboarding.v1.Participant.role":
+		panic(fmt.Errorf("field role of message cerc.onboarding.v1.Participant is not mutable"))
+	case "cerc.onboarding.v1.Participant.kyc_id":
+		panic(fmt.Errorf("field kyc_id of message cerc.onboarding.v1.Participant is not mutable"))
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.onboarding.v1.Participant"))
@@ -639,6 +677,10 @@ func (x *fastReflection_Participant) NewField(fd protoreflect.FieldDescriptor) p
 		return protoreflect.ValueOfString("")
 	case "cerc.onboarding.v1.Participant.nitro_address":
 		return protoreflect.ValueOfString("")
+	case "cerc.onboarding.v1.Participant.role":
+		return protoreflect.ValueOfString("")
+	case "cerc.onboarding.v1.Participant.kyc_id":
+		return protoreflect.ValueOfString("")
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.onboarding.v1.Participant"))
@@ -716,6 +758,14 @@ func (x *fastReflection_Participant) ProtoMethods() *protoiface.Methods {
 		if l > 0 {
 			n += 1 + l + runtime.Sov(uint64(l))
 		}
+		l = len(x.Role)
+		if l > 0 {
+			n += 1 + l + runtime.Sov(uint64(l))
+		}
+		l = len(x.KycId)
+		if l > 0 {
+			n += 1 + l + runtime.Sov(uint64(l))
+		}
 		if x.unknownFields != nil {
 			n += len(x.unknownFields)
 		}
@@ -745,6 +795,20 @@ func (x *fastReflection_Participant) ProtoMethods() *protoiface.Methods {
 			i -= len(x.unknownFields)
 			copy(dAtA[i:], x.unknownFields)
 		}
+		if len(x.KycId) > 0 {
+			i -= len(x.KycId)
+			copy(dAtA[i:], x.KycId)
+			i = runtime.EncodeVarint(dAtA, i, uint64(len(x.KycId)))
+			i--
+			dAtA[i] = 0x22
+		}
+		if len(x.Role) > 0 {
+			i -= len(x.Role)
+			copy(dAtA[i:], x.Role)
+			i = runtime.EncodeVarint(dAtA, i, uint64(len(x.Role)))
+			i--
+			dAtA[i] = 0x1a
+		}
 		if len(x.NitroAddress) > 0 {
 			i -= len(x.NitroAddress)
 			copy(dAtA[i:], x.NitroAddress)
@@ -872,6 +936,70 @@ func (x *fastReflection_Participant) ProtoMethods() *protoiface.Methods {
 				}
 				x.NitroAddress = string(dAtA[iNdEx:postIndex])
 				iNdEx = postIndex
+			case 3:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field Role", wireType)
+				}
+				var stringLen uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+					}
+					if iNdEx >= l {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					stringLen |= uint64(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				intStringLen := int(stringLen)
+				if intStringLen < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				postIndex := iNdEx + intStringLen
+				if postIndex < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				if postIndex > l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				x.Role = string(dAtA[iNdEx:postIndex])
+				iNdEx = postIndex
+			case 4:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field KycId", wireType)
+				}
+				var stringLen uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+					}
+					if iNdEx >= l {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					stringLen |= uint64(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				intStringLen := int(stringLen)
+				if intStringLen < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				postIndex := iNdEx + intStringLen
+				if postIndex < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				if postIndex > l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				x.KycId = string(dAtA[iNdEx:postIndex])
+				iNdEx = postIndex
 			default:
 				iNdEx = preIndex
 				skippy, err := runtime.Skip(dAtA[iNdEx:])
@@ -1447,8 +1575,14 @@ type Participant struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
+	// participant's cosmos (laconic) address
 	CosmosAddress string `protobuf:"bytes,1,opt,name=cosmos_address,json=cosmosAddress,proto3" json:"cosmos_address,omitempty"`
-	NitroAddress  string `protobuf:"bytes,2,opt,name=nitro_address,json=nitroAddress,proto3" json:"nitro_address,omitempty"`
+	// participant's Nitro address
+	NitroAddress string `protobuf:"bytes,2,opt,name=nitro_address,json=nitroAddress,proto3" json:"nitro_address,omitempty"`
+	// participant's role (participant | validator)
+	Role string `protobuf:"bytes,3,opt,name=role,proto3" json:"role,omitempty"`
+	// participant's KYC receipt ID
+	KycId string `protobuf:"bytes,4,opt,name=kyc_id,json=kycId,proto3" json:"kyc_id,omitempty"`
 }
 
 func (x *Participant) Reset() {
@@ -1485,6 +1619,20 @@ func (x *Participant) GetNitroAddress() string {
 	return ""
 }
 
+func (x *Participant) GetRole() string {
+	if x != nil {
+		return x.Role
+	}
+	return ""
+}
+
+func (x *Participant) GetKycId() string {
+	if x != nil {
+		return x.KycId
+	}
+	return ""
+}
+
 // EthPayload defines the payload that is signed by the ethereum private key
 type EthPayload struct {
 	state         protoimpl.MessageState
@@ -1544,7 +1692,7 @@ var file_cerc_onboarding_v1_onboarding_proto_rawDesc = []byte{
 	0x6c, 0x65, 0x64, 0x22, 0x20, 0x79, 0x61, 0x6d, 0x6c, 0x3a, 0x22, 0x6f, 0x6e, 0x62, 0x6f, 0x61,
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@@ -1555,29 +1703,35 @@ var file_cerc_onboarding_v1_onboarding_proto_rawDesc = []byte{
 	0x42, 0x2d, 0xf2, 0xde, 0x1f, 0x29, 0x6a, 0x73, 0x6f, 0x6e, 0x3a, 0x22, 0x6e, 0x69, 0x74, 0x72,
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+	0x3b, 0x6f, 0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64, 0x69, 0x6e, 0x67, 0x76, 0x31, 0xa2, 0x02, 0x03,
+	0x43, 0x4f, 0x58, 0xaa, 0x02, 0x12, 0x43, 0x65, 0x72, 0x63, 0x2e, 0x4f, 0x6e, 0x62, 0x6f, 0x61,
+	0x72, 0x64, 0x69, 0x6e, 0x67, 0x2e, 0x56, 0x31, 0xca, 0x02, 0x12, 0x43, 0x65, 0x72, 0x63, 0x5c,
+	0x4f, 0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64, 0x69, 0x6e, 0x67, 0x5c, 0x56, 0x31, 0xe2, 0x02, 0x1e,
+	0x43, 0x65, 0x72, 0x63, 0x5c, 0x4f, 0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64, 0x69, 0x6e, 0x67, 0x5c,
+	0x56, 0x31, 0x5c, 0x47, 0x50, 0x42, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0xea, 0x02,
+	0x14, 0x43, 0x65, 0x72, 0x63, 0x3a, 0x3a, 0x4f, 0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64, 0x69, 0x6e,
+	0x67, 0x3a, 0x3a, 0x56, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/api/cerc/onboarding/v1/tx.pulsar.go b/api/cerc/onboarding/v1/tx.pulsar.go
index 0865e896..e35da0f5 100644
--- a/api/cerc/onboarding/v1/tx.pulsar.go
+++ b/api/cerc/onboarding/v1/tx.pulsar.go
@@ -20,6 +20,8 @@ var (
 	fd_MsgOnboardParticipant_participant   protoreflect.FieldDescriptor
 	fd_MsgOnboardParticipant_eth_payload   protoreflect.FieldDescriptor
 	fd_MsgOnboardParticipant_eth_signature protoreflect.FieldDescriptor
+	fd_MsgOnboardParticipant_role          protoreflect.FieldDescriptor
+	fd_MsgOnboardParticipant_kyc_id        protoreflect.FieldDescriptor
 )
 
 func init() {
@@ -28,6 +30,8 @@ func init() {
 	fd_MsgOnboardParticipant_participant = md_MsgOnboardParticipant.Fields().ByName("participant")
 	fd_MsgOnboardParticipant_eth_payload = md_MsgOnboardParticipant.Fields().ByName("eth_payload")
 	fd_MsgOnboardParticipant_eth_signature = md_MsgOnboardParticipant.Fields().ByName("eth_signature")
+	fd_MsgOnboardParticipant_role = md_MsgOnboardParticipant.Fields().ByName("role")
+	fd_MsgOnboardParticipant_kyc_id = md_MsgOnboardParticipant.Fields().ByName("kyc_id")
 }
 
 var _ protoreflect.Message = (*fastReflection_MsgOnboardParticipant)(nil)
@@ -113,6 +117,18 @@ func (x *fastReflection_MsgOnboardParticipant) Range(f func(protoreflect.FieldDe
 			return
 		}
 	}
+	if x.Role != "" {
+		value := protoreflect.ValueOfString(x.Role)
+		if !f(fd_MsgOnboardParticipant_role, value) {
+			return
+		}
+	}
+	if x.KycId != "" {
+		value := protoreflect.ValueOfString(x.KycId)
+		if !f(fd_MsgOnboardParticipant_kyc_id, value) {
+			return
+		}
+	}
 }
 
 // Has reports whether a field is populated.
@@ -134,6 +150,10 @@ func (x *fastReflection_MsgOnboardParticipant) Has(fd protoreflect.FieldDescript
 		return x.EthPayload != nil
 	case "cerc.onboarding.v1.MsgOnboardParticipant.eth_signature":
 		return x.EthSignature != ""
+	case "cerc.onboarding.v1.MsgOnboardParticipant.role":
+		return x.Role != ""
+	case "cerc.onboarding.v1.MsgOnboardParticipant.kyc_id":
+		return x.KycId != ""
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.onboarding.v1.MsgOnboardParticipant"))
@@ -156,6 +176,10 @@ func (x *fastReflection_MsgOnboardParticipant) Clear(fd protoreflect.FieldDescri
 		x.EthPayload = nil
 	case "cerc.onboarding.v1.MsgOnboardParticipant.eth_signature":
 		x.EthSignature = ""
+	case "cerc.onboarding.v1.MsgOnboardParticipant.role":
+		x.Role = ""
+	case "cerc.onboarding.v1.MsgOnboardParticipant.kyc_id":
+		x.KycId = ""
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.onboarding.v1.MsgOnboardParticipant"))
@@ -181,6 +205,12 @@ func (x *fastReflection_MsgOnboardParticipant) Get(descriptor protoreflect.Field
 	case "cerc.onboarding.v1.MsgOnboardParticipant.eth_signature":
 		value := x.EthSignature
 		return protoreflect.ValueOfString(value)
+	case "cerc.onboarding.v1.MsgOnboardParticipant.role":
+		value := x.Role
+		return protoreflect.ValueOfString(value)
+	case "cerc.onboarding.v1.MsgOnboardParticipant.kyc_id":
+		value := x.KycId
+		return protoreflect.ValueOfString(value)
 	default:
 		if descriptor.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.onboarding.v1.MsgOnboardParticipant"))
@@ -207,6 +237,10 @@ func (x *fastReflection_MsgOnboardParticipant) Set(fd protoreflect.FieldDescript
 		x.EthPayload = value.Message().Interface().(*EthPayload)
 	case "cerc.onboarding.v1.MsgOnboardParticipant.eth_signature":
 		x.EthSignature = value.Interface().(string)
+	case "cerc.onboarding.v1.MsgOnboardParticipant.role":
+		x.Role = value.Interface().(string)
+	case "cerc.onboarding.v1.MsgOnboardParticipant.kyc_id":
+		x.KycId = value.Interface().(string)
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.onboarding.v1.MsgOnboardParticipant"))
@@ -236,6 +270,10 @@ func (x *fastReflection_MsgOnboardParticipant) Mutable(fd protoreflect.FieldDesc
 		panic(fmt.Errorf("field participant of message cerc.onboarding.v1.MsgOnboardParticipant is not mutable"))
 	case "cerc.onboarding.v1.MsgOnboardParticipant.eth_signature":
 		panic(fmt.Errorf("field eth_signature of message cerc.onboarding.v1.MsgOnboardParticipant is not mutable"))
+	case "cerc.onboarding.v1.MsgOnboardParticipant.role":
+		panic(fmt.Errorf("field role of message cerc.onboarding.v1.MsgOnboardParticipant is not mutable"))
+	case "cerc.onboarding.v1.MsgOnboardParticipant.kyc_id":
+		panic(fmt.Errorf("field kyc_id of message cerc.onboarding.v1.MsgOnboardParticipant is not mutable"))
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.onboarding.v1.MsgOnboardParticipant"))
@@ -256,6 +294,10 @@ func (x *fastReflection_MsgOnboardParticipant) NewField(fd protoreflect.FieldDes
 		return protoreflect.ValueOfMessage(m.ProtoReflect())
 	case "cerc.onboarding.v1.MsgOnboardParticipant.eth_signature":
 		return protoreflect.ValueOfString("")
+	case "cerc.onboarding.v1.MsgOnboardParticipant.role":
+		return protoreflect.ValueOfString("")
+	case "cerc.onboarding.v1.MsgOnboardParticipant.kyc_id":
+		return protoreflect.ValueOfString("")
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.onboarding.v1.MsgOnboardParticipant"))
@@ -337,6 +379,14 @@ func (x *fastReflection_MsgOnboardParticipant) ProtoMethods() *protoiface.Method
 		if l > 0 {
 			n += 1 + l + runtime.Sov(uint64(l))
 		}
+		l = len(x.Role)
+		if l > 0 {
+			n += 1 + l + runtime.Sov(uint64(l))
+		}
+		l = len(x.KycId)
+		if l > 0 {
+			n += 1 + l + runtime.Sov(uint64(l))
+		}
 		if x.unknownFields != nil {
 			n += len(x.unknownFields)
 		}
@@ -366,6 +416,20 @@ func (x *fastReflection_MsgOnboardParticipant) ProtoMethods() *protoiface.Method
 			i -= len(x.unknownFields)
 			copy(dAtA[i:], x.unknownFields)
 		}
+		if len(x.KycId) > 0 {
+			i -= len(x.KycId)
+			copy(dAtA[i:], x.KycId)
+			i = runtime.EncodeVarint(dAtA, i, uint64(len(x.KycId)))
+			i--
+			dAtA[i] = 0x2a
+		}
+		if len(x.Role) > 0 {
+			i -= len(x.Role)
+			copy(dAtA[i:], x.Role)
+			i = runtime.EncodeVarint(dAtA, i, uint64(len(x.Role)))
+			i--
+			dAtA[i] = 0x22
+		}
 		if len(x.EthSignature) > 0 {
 			i -= len(x.EthSignature)
 			copy(dAtA[i:], x.EthSignature)
@@ -543,6 +607,70 @@ func (x *fastReflection_MsgOnboardParticipant) ProtoMethods() *protoiface.Method
 				}
 				x.EthSignature = string(dAtA[iNdEx:postIndex])
 				iNdEx = postIndex
+			case 4:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field Role", wireType)
+				}
+				var stringLen uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+					}
+					if iNdEx >= l {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					stringLen |= uint64(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				intStringLen := int(stringLen)
+				if intStringLen < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				postIndex := iNdEx + intStringLen
+				if postIndex < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				if postIndex > l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				x.Role = string(dAtA[iNdEx:postIndex])
+				iNdEx = postIndex
+			case 5:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field KycId", wireType)
+				}
+				var stringLen uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+					}
+					if iNdEx >= l {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					stringLen |= uint64(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				intStringLen := int(stringLen)
+				if intStringLen < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				postIndex := iNdEx + intStringLen
+				if postIndex < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				if postIndex > l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				x.KycId = string(dAtA[iNdEx:postIndex])
+				iNdEx = postIndex
 			default:
 				iNdEx = preIndex
 				skippy, err := runtime.Skip(dAtA[iNdEx:])
@@ -957,6 +1085,8 @@ type MsgOnboardParticipant struct {
 	Participant  string      `protobuf:"bytes,1,opt,name=participant,proto3" json:"participant,omitempty"`
 	EthPayload   *EthPayload `protobuf:"bytes,2,opt,name=eth_payload,json=ethPayload,proto3" json:"eth_payload,omitempty"`
 	EthSignature string      `protobuf:"bytes,3,opt,name=eth_signature,json=ethSignature,proto3" json:"eth_signature,omitempty"`
+	Role         string      `protobuf:"bytes,4,opt,name=role,proto3" json:"role,omitempty"`
+	KycId        string      `protobuf:"bytes,5,opt,name=kyc_id,json=kycId,proto3" json:"kyc_id,omitempty"`
 }
 
 func (x *MsgOnboardParticipant) Reset() {
@@ -1000,6 +1130,20 @@ func (x *MsgOnboardParticipant) GetEthSignature() string {
 	return ""
 }
 
+func (x *MsgOnboardParticipant) GetRole() string {
+	if x != nil {
+		return x.Role
+	}
+	return ""
+}
+
+func (x *MsgOnboardParticipant) GetKycId() string {
+	if x != nil {
+		return x.KycId
+	}
+	return ""
+}
+
 // MsgOnboardParticipantResponse defines the Msg/OnboardParticipant response
 // type.
 type MsgOnboardParticipantResponse struct {
@@ -1041,7 +1185,7 @@ var file_cerc_onboarding_v1_tx_proto_rawDesc = []byte{
 	0x6f, 0x74, 0x6f, 0x2f, 0x67, 0x6f, 0x67, 0x6f, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x23,
 	0x63, 0x65, 0x72, 0x63, 0x2f, 0x6f, 0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64, 0x69, 0x6e, 0x67, 0x2f,
 	0x76, 0x31, 0x2f, 0x6f, 0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64, 0x69, 0x6e, 0x67, 0x2e, 0x70, 0x72,
-	0x6f, 0x74, 0x6f, 0x22, 0xb7, 0x01, 0x0a, 0x15, 0x4d, 0x73, 0x67, 0x4f, 0x6e, 0x62, 0x6f, 0x61,
+	0x6f, 0x74, 0x6f, 0x22, 0xe2, 0x01, 0x0a, 0x15, 0x4d, 0x73, 0x67, 0x4f, 0x6e, 0x62, 0x6f, 0x61,
 	0x72, 0x64, 0x50, 0x61, 0x72, 0x74, 0x69, 0x63, 0x69, 0x70, 0x61, 0x6e, 0x74, 0x12, 0x20, 0x0a,
 	0x0b, 0x70, 0x61, 0x72, 0x74, 0x69, 0x63, 0x69, 0x70, 0x61, 0x6e, 0x74, 0x18, 0x01, 0x20, 0x01,
 	0x28, 0x09, 0x52, 0x0b, 0x70, 0x61, 0x72, 0x74, 0x69, 0x63, 0x69, 0x70, 0x61, 0x6e, 0x74, 0x12,
@@ -1051,35 +1195,38 @@ var file_cerc_onboarding_v1_tx_proto_rawDesc = []byte{
 	0x6c, 0x6f, 0x61, 0x64, 0x42, 0x04, 0xc8, 0xde, 0x1f, 0x00, 0x52, 0x0a, 0x65, 0x74, 0x68, 0x50,
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-	0x6f, 0x61, 0x72, 0x64, 0x69, 0x6e, 0x67, 0x5c, 0x56, 0x31, 0xe2, 0x02, 0x1e, 0x43, 0x65, 0x72,
-	0x63, 0x5c, 0x4f, 0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64, 0x69, 0x6e, 0x67, 0x5c, 0x56, 0x31, 0x5c,
-	0x47, 0x50, 0x42, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0xea, 0x02, 0x14, 0x43, 0x65,
-	0x72, 0x63, 0x3a, 0x3a, 0x4f, 0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64, 0x69, 0x6e, 0x67, 0x3a, 0x3a,
-	0x56, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x61, 0x6e, 0x74, 0x1a, 0x31, 0x2e, 0x63, 0x65, 0x72, 0x63, 0x2e, 0x6f, 0x6e, 0x62, 0x6f, 0x61,
+	0x72, 0x64, 0x69, 0x6e, 0x67, 0x2e, 0x76, 0x31, 0x2e, 0x4d, 0x73, 0x67, 0x4f, 0x6e, 0x62, 0x6f,
+	0x61, 0x72, 0x64, 0x50, 0x61, 0x72, 0x74, 0x69, 0x63, 0x69, 0x70, 0x61, 0x6e, 0x74, 0x52, 0x65,
+	0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x2f, 0x82, 0xd3, 0xe4, 0x93, 0x02, 0x29, 0x22, 0x27,
+	0x2f, 0x63, 0x65, 0x72, 0x63, 0x2f, 0x6f, 0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64, 0x69, 0x6e, 0x67,
+	0x2f, 0x76, 0x31, 0x2f, 0x6f, 0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64, 0x5f, 0x70, 0x61, 0x72, 0x74,
+	0x69, 0x63, 0x69, 0x70, 0x61, 0x6e, 0x74, 0x1a, 0x05, 0x80, 0xe7, 0xb0, 0x2a, 0x01, 0x42, 0xcc,
+	0x01, 0x0a, 0x16, 0x63, 0x6f, 0x6d, 0x2e, 0x63, 0x65, 0x72, 0x63, 0x2e, 0x6f, 0x6e, 0x62, 0x6f,
+	0x61, 0x72, 0x64, 0x69, 0x6e, 0x67, 0x2e, 0x76, 0x31, 0x42, 0x07, 0x54, 0x78, 0x50, 0x72, 0x6f,
+	0x74, 0x6f, 0x50, 0x01, 0x5a, 0x3f, 0x67, 0x69, 0x74, 0x2e, 0x76, 0x64, 0x62, 0x2e, 0x74, 0x6f,
+	0x2f, 0x63, 0x65, 0x72, 0x63, 0x2d, 0x69, 0x6f, 0x2f, 0x6c, 0x61, 0x63, 0x6f, 0x6e, 0x69, 0x63,
+	0x64, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x63, 0x65, 0x72, 0x63, 0x2f, 0x6f, 0x6e, 0x62, 0x6f, 0x61,
+	0x72, 0x64, 0x69, 0x6e, 0x67, 0x2f, 0x76, 0x31, 0x3b, 0x6f, 0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64,
+	0x69, 0x6e, 0x67, 0x76, 0x31, 0xa2, 0x02, 0x03, 0x43, 0x4f, 0x58, 0xaa, 0x02, 0x12, 0x43, 0x65,
+	0x72, 0x63, 0x2e, 0x4f, 0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64, 0x69, 0x6e, 0x67, 0x2e, 0x56, 0x31,
+	0xca, 0x02, 0x12, 0x43, 0x65, 0x72, 0x63, 0x5c, 0x4f, 0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64, 0x69,
+	0x6e, 0x67, 0x5c, 0x56, 0x31, 0xe2, 0x02, 0x1e, 0x43, 0x65, 0x72, 0x63, 0x5c, 0x4f, 0x6e, 0x62,
+	0x6f, 0x61, 0x72, 0x64, 0x69, 0x6e, 0x67, 0x5c, 0x56, 0x31, 0x5c, 0x47, 0x50, 0x42, 0x4d, 0x65,
+	0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0xea, 0x02, 0x14, 0x43, 0x65, 0x72, 0x63, 0x3a, 0x3a, 0x4f,
+	0x6e, 0x62, 0x6f, 0x61, 0x72, 0x64, 0x69, 0x6e, 0x67, 0x3a, 0x3a, 0x56, 0x31, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/gql/cerc-io/laconicd/schema.graphql b/gql/cerc-io/laconicd/schema.graphql
index 8bd8dd17..483dcd1d 100644
--- a/gql/cerc-io/laconicd/schema.graphql
+++ b/gql/cerc-io/laconicd/schema.graphql
@@ -33,6 +33,8 @@ type Account {
 type Participant {
   cosmosAddress: String! # Cosmos address of the participant who will be registered.
   nitroAddress: String! # Nitro addresss of the participant who will be registered.
+  role: String! # Participant's role
+  kycId: String! # Participant's KYC receipt ID
 }
 
 # Value describes a DAG-JSON compatible value.
diff --git a/gql/generated.go b/gql/generated.go
index b7b2ed17..74dbbe8d 100644
--- a/gql/generated.go
+++ b/gql/generated.go
@@ -155,7 +155,9 @@ type ComplexityRoot struct {
 
 	Participant struct {
 		CosmosAddress func(childComplexity int) int
+		KycID         func(childComplexity int) int
 		NitroAddress  func(childComplexity int) int
+		Role          func(childComplexity int) int
 	}
 
 	PeerInfo struct {
@@ -648,6 +650,13 @@ func (e *executableSchema) Complexity(typeName, field string, childComplexity in
 
 		return e.complexity.Participant.CosmosAddress(childComplexity), true
 
+	case "Participant.kycId":
+		if e.complexity.Participant.KycID == nil {
+			break
+		}
+
+		return e.complexity.Participant.KycID(childComplexity), true
+
 	case "Participant.nitroAddress":
 		if e.complexity.Participant.NitroAddress == nil {
 			break
@@ -655,6 +664,13 @@ func (e *executableSchema) Complexity(typeName, field string, childComplexity in
 
 		return e.complexity.Participant.NitroAddress(childComplexity), true
 
+	case "Participant.role":
+		if e.complexity.Participant.Role == nil {
+			break
+		}
+
+		return e.complexity.Participant.Role(childComplexity), true
+
 	case "PeerInfo.isOutbound":
 		if e.complexity.PeerInfo.IsOutbound == nil {
 			break
@@ -3924,6 +3940,94 @@ func (ec *executionContext) fieldContext_Participant_nitroAddress(ctx context.Co
 	return fc, nil
 }
 
+func (ec *executionContext) _Participant_role(ctx context.Context, field graphql.CollectedField, obj *Participant) (ret graphql.Marshaler) {
+	fc, err := ec.fieldContext_Participant_role(ctx, field)
+	if err != nil {
+		return graphql.Null
+	}
+	ctx = graphql.WithFieldContext(ctx, fc)
+	defer func() {
+		if r := recover(); r != nil {
+			ec.Error(ctx, ec.Recover(ctx, r))
+			ret = graphql.Null
+		}
+	}()
+	resTmp, err := ec.ResolverMiddleware(ctx, func(rctx context.Context) (interface{}, error) {
+		ctx = rctx // use context from middleware stack in children
+		return obj.Role, nil
+	})
+	if err != nil {
+		ec.Error(ctx, err)
+		return graphql.Null
+	}
+	if resTmp == nil {
+		if !graphql.HasFieldError(ctx, fc) {
+			ec.Errorf(ctx, "must not be null")
+		}
+		return graphql.Null
+	}
+	res := resTmp.(string)
+	fc.Result = res
+	return ec.marshalNString2string(ctx, field.Selections, res)
+}
+
+func (ec *executionContext) fieldContext_Participant_role(ctx context.Context, field graphql.CollectedField) (fc *graphql.FieldContext, err error) {
+	fc = &graphql.FieldContext{
+		Object:     "Participant",
+		Field:      field,
+		IsMethod:   false,
+		IsResolver: false,
+		Child: func(ctx context.Context, field graphql.CollectedField) (*graphql.FieldContext, error) {
+			return nil, errors.New("field of type String does not have child fields")
+		},
+	}
+	return fc, nil
+}
+
+func (ec *executionContext) _Participant_kycId(ctx context.Context, field graphql.CollectedField, obj *Participant) (ret graphql.Marshaler) {
+	fc, err := ec.fieldContext_Participant_kycId(ctx, field)
+	if err != nil {
+		return graphql.Null
+	}
+	ctx = graphql.WithFieldContext(ctx, fc)
+	defer func() {
+		if r := recover(); r != nil {
+			ec.Error(ctx, ec.Recover(ctx, r))
+			ret = graphql.Null
+		}
+	}()
+	resTmp, err := ec.ResolverMiddleware(ctx, func(rctx context.Context) (interface{}, error) {
+		ctx = rctx // use context from middleware stack in children
+		return obj.KycID, nil
+	})
+	if err != nil {
+		ec.Error(ctx, err)
+		return graphql.Null
+	}
+	if resTmp == nil {
+		if !graphql.HasFieldError(ctx, fc) {
+			ec.Errorf(ctx, "must not be null")
+		}
+		return graphql.Null
+	}
+	res := resTmp.(string)
+	fc.Result = res
+	return ec.marshalNString2string(ctx, field.Selections, res)
+}
+
+func (ec *executionContext) fieldContext_Participant_kycId(ctx context.Context, field graphql.CollectedField) (fc *graphql.FieldContext, err error) {
+	fc = &graphql.FieldContext{
+		Object:     "Participant",
+		Field:      field,
+		IsMethod:   false,
+		IsResolver: false,
+		Child: func(ctx context.Context, field graphql.CollectedField) (*graphql.FieldContext, error) {
+			return nil, errors.New("field of type String does not have child fields")
+		},
+	}
+	return fc, nil
+}
+
 func (ec *executionContext) _PeerInfo_node(ctx context.Context, field graphql.CollectedField, obj *PeerInfo) (ret graphql.Marshaler) {
 	fc, err := ec.fieldContext_PeerInfo_node(ctx, field)
 	if err != nil {
@@ -4836,6 +4940,10 @@ func (ec *executionContext) fieldContext_Query_getParticipants(ctx context.Conte
 				return ec.fieldContext_Participant_cosmosAddress(ctx, field)
 			case "nitroAddress":
 				return ec.fieldContext_Participant_nitroAddress(ctx, field)
+			case "role":
+				return ec.fieldContext_Participant_role(ctx, field)
+			case "kycId":
+				return ec.fieldContext_Participant_kycId(ctx, field)
 			}
 			return nil, fmt.Errorf("no field named %q was found under type Participant", field.Name)
 		},
@@ -8798,6 +8906,20 @@ func (ec *executionContext) _Participant(ctx context.Context, sel ast.SelectionS
 
 			out.Values[i] = ec._Participant_nitroAddress(ctx, field, obj)
 
+			if out.Values[i] == graphql.Null {
+				invalids++
+			}
+		case "role":
+
+			out.Values[i] = ec._Participant_role(ctx, field, obj)
+
+			if out.Values[i] == graphql.Null {
+				invalids++
+			}
+		case "kycId":
+
+			out.Values[i] = ec._Participant_kycId(ctx, field, obj)
+
 			if out.Values[i] == graphql.Null {
 				invalids++
 			}
diff --git a/gql/models_gen.go b/gql/models_gen.go
index 8584ba62..460e8233 100644
--- a/gql/models_gen.go
+++ b/gql/models_gen.go
@@ -138,6 +138,8 @@ type OwnerBonds struct {
 type Participant struct {
 	CosmosAddress string `json:"cosmosAddress"`
 	NitroAddress  string `json:"nitroAddress"`
+	Role          string `json:"role"`
+	KycID         string `json:"kycId"`
 }
 
 type PeerInfo struct {
diff --git a/gql/resolver.go b/gql/resolver.go
index 5538e6d7..ef77e002 100644
--- a/gql/resolver.go
+++ b/gql/resolver.go
@@ -373,6 +373,8 @@ func (q queryResolver) GetParticipants(ctx context.Context) ([]*Participant, err
 		participants[i] = &Participant{
 			CosmosAddress: p.CosmosAddress,
 			NitroAddress:  p.NitroAddress,
+			Role:          p.Role,
+			KycID:         p.KycId,
 		}
 	}
 
diff --git a/proto/cerc/onboarding/v1/onboarding.proto b/proto/cerc/onboarding/v1/onboarding.proto
index 38ca1f4c..002dc6ae 100644
--- a/proto/cerc/onboarding/v1/onboarding.proto
+++ b/proto/cerc/onboarding/v1/onboarding.proto
@@ -16,14 +16,24 @@ message Params {
 // Participant defines the data that will be stored for each enrolled
 // participant
 message Participant {
+  // participant's cosmos (laconic) address
   string cosmos_address = 1
       [ (gogoproto.moretags) =
             "json:\"cosmos_address\" yaml:\"cosmos_address\"" ];
 
+  // participant's Nitro address
   string nitro_address = 2
       [ (gogoproto.moretags) =
             "json:\"nitro_address\" yaml:\"nitro_address\"" ];
+
+  // participant's role (participant | validator)
+  string role = 3 [ (gogoproto.moretags) = "json:\"role\" yaml:\"role\"" ];
+
+  // participant's KYC receipt ID
+  string kyc_id = 4
+      [ (gogoproto.moretags) = "json:\"kyc_id\" yaml:\"kyc_id\"" ];
 }
+
 // EthPayload defines the payload that is signed by the ethereum private key
 message EthPayload {
   string address = 1
diff --git a/proto/cerc/onboarding/v1/tx.proto b/proto/cerc/onboarding/v1/tx.proto
index 2c21614d..6e0eab6e 100644
--- a/proto/cerc/onboarding/v1/tx.proto
+++ b/proto/cerc/onboarding/v1/tx.proto
@@ -28,6 +28,8 @@ message MsgOnboardParticipant {
   string participant = 1;
   EthPayload eth_payload = 2 [ (gogoproto.nullable) = false ];
   string eth_signature = 3;
+  string role = 4;
+  string kyc_id = 5;
 }
 
 // MsgOnboardParticipantResponse defines the Msg/OnboardParticipant response
diff --git a/x/onboarding/keeper/keeper.go b/x/onboarding/keeper/keeper.go
index f86edf81..0f7be5b0 100644
--- a/x/onboarding/keeper/keeper.go
+++ b/x/onboarding/keeper/keeper.go
@@ -100,6 +100,8 @@ func (k Keeper) OnboardParticipant(
 	participant := &onboardingTypes.Participant{
 		CosmosAddress: signerAddress.String(),
 		NitroAddress:  nitroAddress,
+		Role:          msg.Role,
+		KycId:         msg.KycId,
 	}
 
 	if err := k.StoreParticipant(ctx, participant); err != nil {
diff --git a/x/onboarding/module/autocli.go b/x/onboarding/module/autocli.go
index 29a651e0..f076dcfb 100644
--- a/x/onboarding/module/autocli.go
+++ b/x/onboarding/module/autocli.go
@@ -26,11 +26,13 @@ func (am AppModule) AutoCLIOptions() *autocliv1.ModuleOptions {
 			RpcCommandOptions: []*autocliv1.RpcCommandOptions{
 				{
 					RpcMethod: "OnboardParticipant",
-					Use:       "enroll",
+					Use:       "enroll [eth_payload] [eth_signature] [role] [kyc_id]",
 					Short:     "Enroll a testnet validator",
 					PositionalArgs: []*autocliv1.PositionalArgDescriptor{
 						{ProtoField: "eth_payload"},
 						{ProtoField: "eth_signature"},
+						{ProtoField: "role"},
+						{ProtoField: "kyc_id"},
 					},
 				},
 			},
diff --git a/x/onboarding/msgs.go b/x/onboarding/msgs.go
index b6996b6f..c9f5a8c2 100644
--- a/x/onboarding/msgs.go
+++ b/x/onboarding/msgs.go
@@ -1,11 +1,15 @@
 package onboarding
 
 import (
+	"fmt"
+
 	errorsmod "cosmossdk.io/errors"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 )
 
+var PERMITTED_ROLES = []string{"participant", "validator"}
+
 var _ sdk.Msg = &MsgOnboardParticipant{}
 
 func (msg MsgOnboardParticipant) ValidateBasic() error {
@@ -18,7 +22,23 @@ func (msg MsgOnboardParticipant) ValidateBasic() error {
 	}
 
 	if len(msg.EthSignature) != 132 {
-		return errorsmod.Wrap(sdkerrors.ErrNoSignatures, "Invalid signature.")
+		return errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "Invalid signature.")
+	}
+
+	if len(msg.KycId) == 0 {
+		return errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "Empty KYC ID.")
+	}
+
+	isRoleValid := false
+	for _, v := range PERMITTED_ROLES {
+		if msg.Role == v {
+			isRoleValid = true
+			break
+		}
+	}
+
+	if !isRoleValid {
+		return errorsmod.Wrap(sdkerrors.ErrInvalidRequest, fmt.Sprintf("Participant role has to be one of: %v", PERMITTED_ROLES))
 	}
 
 	return nil
diff --git a/x/onboarding/onboarding.pb.go b/x/onboarding/onboarding.pb.go
index 56c781cb..da16f232 100644
--- a/x/onboarding/onboarding.pb.go
+++ b/x/onboarding/onboarding.pb.go
@@ -71,8 +71,14 @@ func (m *Params) GetOnboardingEnabled() bool {
 // Participant defines the data that will be stored for each enrolled
 // participant
 type Participant struct {
+	// participant's cosmos (laconic) address
 	CosmosAddress string `protobuf:"bytes,1,opt,name=cosmos_address,json=cosmosAddress,proto3" json:"cosmos_address,omitempty" json:"cosmos_address" yaml:"cosmos_address"`
-	NitroAddress  string `protobuf:"bytes,2,opt,name=nitro_address,json=nitroAddress,proto3" json:"nitro_address,omitempty" json:"nitro_address" yaml:"nitro_address"`
+	// participant's Nitro address
+	NitroAddress string `protobuf:"bytes,2,opt,name=nitro_address,json=nitroAddress,proto3" json:"nitro_address,omitempty" json:"nitro_address" yaml:"nitro_address"`
+	// participant's role (participant | validator)
+	Role string `protobuf:"bytes,3,opt,name=role,proto3" json:"role,omitempty" json:"role" yaml:"role"`
+	// participant's KYC receipt ID
+	KycId string `protobuf:"bytes,4,opt,name=kyc_id,json=kycId,proto3" json:"kyc_id,omitempty" json:"kyc_id" yaml:"kyc_id"`
 }
 
 func (m *Participant) Reset()         { *m = Participant{} }
@@ -122,6 +128,20 @@ func (m *Participant) GetNitroAddress() string {
 	return ""
 }
 
+func (m *Participant) GetRole() string {
+	if m != nil {
+		return m.Role
+	}
+	return ""
+}
+
+func (m *Participant) GetKycId() string {
+	if m != nil {
+		return m.KycId
+	}
+	return ""
+}
+
 // EthPayload defines the payload that is signed by the ethereum private key
 type EthPayload struct {
 	Address string `protobuf:"bytes,1,opt,name=address,proto3" json:"address,omitempty" json:"address" yaml:"address"`
@@ -186,29 +206,32 @@ func init() {
 }
 
 var fileDescriptor_59afed779274eaf0 = []byte{
-	// 343 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x92, 0xcf, 0x4a, 0xc3, 0x30,
-	0x1c, 0xc7, 0x57, 0x85, 0xa9, 0xd1, 0x09, 0x06, 0x05, 0x15, 0x6c, 0x67, 0xbd, 0x4c, 0xc6, 0x5a,
-	0xc6, 0x0e, 0x82, 0x9e, 0x2c, 0xec, 0x3e, 0x7a, 0xf0, 0xe0, 0x65, 0xa4, 0x7f, 0xac, 0x91, 0x36,
-	0xbf, 0x91, 0x84, 0xe2, 0xde, 0xc2, 0xd7, 0xf1, 0x0d, 0x3c, 0xee, 0xe8, 0xa9, 0xc8, 0xf6, 0x06,
-	0x7d, 0x02, 0x69, 0xb3, 0x6e, 0xeb, 0xf4, 0x96, 0xdf, 0xf7, 0xcf, 0xe7, 0x17, 0x48, 0xd0, 0x8d,
-	0x1f, 0x72, 0xdf, 0x06, 0xe6, 0x01, 0xe1, 0x01, 0x65, 0x91, 0x9d, 0xf6, 0x37, 0x26, 0x6b, 0xc2,
-	0x41, 0x02, 0xc6, 0x45, 0xc8, 0xda, 0x90, 0xd3, 0xfe, 0xe5, 0x69, 0x04, 0x11, 0x94, 0xb6, 0x5d,
-	0x9c, 0x54, 0xd2, 0x9c, 0xa0, 0xe6, 0x88, 0x70, 0x92, 0x08, 0xfc, 0x82, 0xf0, 0xba, 0x30, 0x0e,
-	0x19, 0xf1, 0xe2, 0x30, 0x38, 0xd7, 0xda, 0x5a, 0x67, 0xdf, 0xb9, 0xcb, 0x33, 0x63, 0xf0, 0x26,
-	0x80, 0xdd, 0x9b, 0x7f, 0x33, 0x66, 0x7b, 0x4a, 0x92, 0xf8, 0x5f, 0xc7, 0x3d, 0x59, 0x8b, 0xc3,
-	0xa5, 0xf6, 0xa9, 0xa1, 0xc3, 0x11, 0xe1, 0x92, 0xfa, 0x74, 0x42, 0x98, 0xc4, 0x4f, 0xe8, 0xd8,
-	0x07, 0x91, 0x80, 0x18, 0x93, 0x20, 0xe0, 0xa1, 0x10, 0xe5, 0xce, 0x03, 0xc7, 0xce, 0x33, 0xa3,
-	0xab, 0x76, 0xd6, 0xfd, 0x6a, 0xdf, 0x96, 0xea, 0xb6, 0x94, 0xf0, 0xa8, 0x66, 0xec, 0xa2, 0x16,
-	0xa3, 0x92, 0xc3, 0x0a, 0xbb, 0x53, 0x62, 0x7b, 0x79, 0x66, 0xdc, 0x2a, 0x6c, 0xcd, 0xae, 0xa8,
-	0x75, 0xd1, 0x3d, 0x2a, 0xe7, 0x25, 0xd3, 0x4c, 0x11, 0x1a, 0xca, 0xd7, 0x11, 0x99, 0xc6, 0x40,
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-	0x47, 0xeb, 0x34, 0x41, 0x02, 0x00, 0x00,
+	// 399 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x92, 0xc1, 0xce, 0xd2, 0x40,
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+	0x84, 0x8f, 0xa6, 0x87, 0x3e, 0x18, 0xa4, 0x3c, 0x93, 0xe2, 0x84, 0xbd, 0xd1, 0xd8, 0x59, 0x55,
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+	0x45, 0x1c, 0x0e, 0xbb, 0x1a, 0x35, 0xaa, 0x4a, 0xf4, 0xcc, 0xa0, 0x6a, 0xb5, 0x21, 0xe8, 0xda,
+	0xd7, 0x46, 0xf8, 0x16, 0xf4, 0x37, 0x05, 0x5d, 0x73, 0x36, 0xec, 0xe9, 0x08, 0xaa, 0x4a, 0x34,
+	0x32, 0x11, 0xa3, 0x37, 0xa1, 0x63, 0xe7, 0xdf, 0xd9, 0x14, 0xf4, 0x13, 0x73, 0x72, 0x00, 0x96,
+	0xd9, 0xb7, 0x15, 0x29, 0x62, 0x41, 0x18, 0xfc, 0x00, 0xee, 0xb6, 0xff, 0xcd, 0xab, 0xaa, 0x44,
+	0x2f, 0x0d, 0xe6, 0xea, 0xf9, 0xa7, 0x87, 0x37, 0x09, 0x38, 0x05, 0xdd, 0x44, 0x45, 0xc7, 0xaf,
+	0x7f, 0x5e, 0x95, 0xe8, 0xa9, 0x09, 0x26, 0x2a, 0x6a, 0x42, 0x75, 0xe9, 0xd7, 0x2e, 0xcf, 0xfb,
+	0xbd, 0xb7, 0xad, 0xdd, 0xde, 0xb6, 0xfe, 0xee, 0x6d, 0xeb, 0xe7, 0xc1, 0xee, 0xec, 0x0e, 0x76,
+	0xe7, 0xcf, 0xc1, 0xee, 0x7c, 0x99, 0x44, 0x3c, 0x73, 0x73, 0x16, 0xb8, 0x99, 0xc0, 0xf5, 0x75,
+	0xcd, 0xb8, 0xc0, 0x31, 0xa1, 0x22, 0xe5, 0x94, 0xe1, 0x1f, 0x17, 0x27, 0x18, 0xf4, 0xf5, 0x65,
+	0x2d, 0xfe, 0x05, 0x00, 0x00, 0xff, 0xff, 0x87, 0xe5, 0xd5, 0x6b, 0xaa, 0x02, 0x00, 0x00,
 }
 
 func (m *Params) Marshal() (dAtA []byte, err error) {
@@ -264,6 +287,20 @@ func (m *Participant) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if len(m.KycId) > 0 {
+		i -= len(m.KycId)
+		copy(dAtA[i:], m.KycId)
+		i = encodeVarintOnboarding(dAtA, i, uint64(len(m.KycId)))
+		i--
+		dAtA[i] = 0x22
+	}
+	if len(m.Role) > 0 {
+		i -= len(m.Role)
+		copy(dAtA[i:], m.Role)
+		i = encodeVarintOnboarding(dAtA, i, uint64(len(m.Role)))
+		i--
+		dAtA[i] = 0x1a
+	}
 	if len(m.NitroAddress) > 0 {
 		i -= len(m.NitroAddress)
 		copy(dAtA[i:], m.NitroAddress)
@@ -355,6 +392,14 @@ func (m *Participant) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovOnboarding(uint64(l))
 	}
+	l = len(m.Role)
+	if l > 0 {
+		n += 1 + l + sovOnboarding(uint64(l))
+	}
+	l = len(m.KycId)
+	if l > 0 {
+		n += 1 + l + sovOnboarding(uint64(l))
+	}
 	return n
 }
 
@@ -544,6 +589,70 @@ func (m *Participant) Unmarshal(dAtA []byte) error {
 			}
 			m.NitroAddress = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Role", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOnboarding
+				}
+				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 ErrInvalidLengthOnboarding
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthOnboarding
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Role = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field KycId", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowOnboarding
+				}
+				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 ErrInvalidLengthOnboarding
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthOnboarding
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.KycId = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipOnboarding(dAtA[iNdEx:])
diff --git a/x/onboarding/tx.pb.go b/x/onboarding/tx.pb.go
index 8623b644..8c2f3d20 100644
--- a/x/onboarding/tx.pb.go
+++ b/x/onboarding/tx.pb.go
@@ -36,6 +36,8 @@ type MsgOnboardParticipant struct {
 	Participant  string     `protobuf:"bytes,1,opt,name=participant,proto3" json:"participant,omitempty"`
 	EthPayload   EthPayload `protobuf:"bytes,2,opt,name=eth_payload,json=ethPayload,proto3" json:"eth_payload"`
 	EthSignature string     `protobuf:"bytes,3,opt,name=eth_signature,json=ethSignature,proto3" json:"eth_signature,omitempty"`
+	Role         string     `protobuf:"bytes,4,opt,name=role,proto3" json:"role,omitempty"`
+	KycId        string     `protobuf:"bytes,5,opt,name=kyc_id,json=kycId,proto3" json:"kyc_id,omitempty"`
 }
 
 func (m *MsgOnboardParticipant) Reset()         { *m = MsgOnboardParticipant{} }
@@ -92,6 +94,20 @@ func (m *MsgOnboardParticipant) GetEthSignature() string {
 	return ""
 }
 
+func (m *MsgOnboardParticipant) GetRole() string {
+	if m != nil {
+		return m.Role
+	}
+	return ""
+}
+
+func (m *MsgOnboardParticipant) GetKycId() string {
+	if m != nil {
+		return m.KycId
+	}
+	return ""
+}
+
 // MsgOnboardParticipantResponse defines the Msg/OnboardParticipant response
 // type.
 type MsgOnboardParticipantResponse struct {
@@ -138,31 +154,33 @@ func init() {
 func init() { proto.RegisterFile("cerc/onboarding/v1/tx.proto", fileDescriptor_6bfde34a550e231e) }
 
 var fileDescriptor_6bfde34a550e231e = []byte{
-	// 370 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x91, 0x41, 0x4b, 0x32, 0x41,
-	0x18, 0xc7, 0x77, 0xf4, 0x7d, 0x5f, 0x78, 0xc7, 0x82, 0x58, 0x8a, 0x64, 0xab, 0x55, 0xd6, 0x43,
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-	0x9d, 0x67, 0xd9, 0x99, 0xc4, 0x6e, 0xe1, 0x27, 0x08, 0xfa, 0x08, 0x7d, 0x01, 0xe9, 0xd2, 0x57,
-	0xf0, 0x28, 0x74, 0xe9, 0x14, 0xa1, 0x81, 0x5f, 0x23, 0x5c, 0x35, 0x17, 0xda, 0xa0, 0xdb, 0xcc,
-	0xff, 0xf9, 0xf3, 0xff, 0x3d, 0x7f, 0x1e, 0x7c, 0xe4, 0xb1, 0xd0, 0x23, 0x20, 0x3b, 0x40, 0x43,
-	0x5f, 0x48, 0x4e, 0x06, 0x15, 0xa2, 0x87, 0x6e, 0x10, 0x82, 0x06, 0xd3, 0x5c, 0x0e, 0xdd, 0xed,
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-	0x19, 0xbd, 0x7c, 0x3c, 0xa4, 0x4a, 0xce, 0x29, 0xf9, 0xf9, 0x0a, 0xed, 0x58, 0x1d, 0xeb, 0xef,
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-	0x00, 0x00,
+	// 401 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x92, 0xc1, 0x8a, 0x13, 0x31,
+	0x1c, 0xc6, 0x27, 0xbb, 0xed, 0x82, 0xa9, 0x82, 0x04, 0x17, 0x87, 0x51, 0x67, 0xcb, 0xec, 0xc1,
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+	0x03, 0x60, 0x79, 0xa2, 0xb4, 0xa4, 0x93, 0x36, 0xb5, 0xd3, 0x38, 0xcb, 0xc1, 0x02, 0x21, 0x5b,
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+	0x71, 0xce, 0x14, 0x15, 0x08, 0x9f, 0xdf, 0x19, 0xf9, 0x6e, 0xc7, 0xbb, 0x2c, 0xb7, 0x8a, 0xab,
+	0x8c, 0x69, 0x4b, 0x9a, 0xb8, 0x91, 0x1d, 0x3f, 0x7d, 0xd4, 0x44, 0xad, 0x07, 0xbd, 0x32, 0x22,
+	0xb7, 0xb8, 0x21, 0xec, 0xb0, 0x9f, 0xb1, 0x59, 0x0a, 0x2c, 0xf1, 0x4f, 0x9a, 0xa8, 0xd5, 0xb8,
+	0x09, 0xe3, 0x7f, 0x7b, 0xc5, 0xb7, 0x76, 0xd8, 0xdd, 0xb9, 0x3a, 0xb5, 0xe5, 0xcf, 0x0b, 0xaf,
+	0x87, 0xc5, 0x5f, 0x42, 0x2e, 0xf1, 0xa3, 0xed, 0x1a, 0xa3, 0xa4, 0x66, 0xf6, 0x63, 0x2e, 0xfc,
+	0x53, 0x17, 0xf5, 0x50, 0xd8, 0xe1, 0xfb, 0x03, 0x23, 0x04, 0xd7, 0x72, 0x48, 0x85, 0x5f, 0x73,
+	0x9a, 0x9b, 0xc9, 0x39, 0x3e, 0x1b, 0xcd, 0x78, 0x5f, 0x25, 0x7e, 0xdd, 0xd1, 0xfa, 0x68, 0xc6,
+	0xdf, 0x26, 0x6f, 0x1e, 0xcf, 0x37, 0x8b, 0xeb, 0xf2, 0x8f, 0x46, 0x17, 0xf8, 0x45, 0x65, 0xc7,
+	0x9e, 0x30, 0x19, 0x68, 0x23, 0x6e, 0xbe, 0x21, 0x7c, 0x7a, 0x67, 0x24, 0xf9, 0x8a, 0x30, 0xa9,
+	0x38, 0x8a, 0xab, 0xaa, 0x4e, 0x95, 0x1b, 0x83, 0xf6, 0xbd, 0xad, 0x87, 0xf0, 0x88, 0xce, 0xbf,
+	0xff, 0xfe, 0x72, 0x72, 0x15, 0xbd, 0xa4, 0xff, 0xbf, 0xb0, 0x7e, 0xa9, 0x4e, 0x50, 0xff, 0xb4,
+	0x59, 0x5c, 0xa3, 0x4e, 0x67, 0x59, 0x84, 0x68, 0x55, 0x84, 0xe8, 0x57, 0x11, 0xa2, 0xcf, 0xeb,
+	0xd0, 0x5b, 0xad, 0x43, 0xef, 0xc7, 0x3a, 0xf4, 0x3e, 0xb4, 0xa4, 0xb2, 0xf1, 0x24, 0x19, 0xc4,
+	0x16, 0xdc, 0xce, 0x57, 0x0a, 0x68, 0xca, 0x38, 0x68, 0xc5, 0x13, 0x3a, 0x2d, 0x25, 0x0c, 0xce,
+	0xdc, 0x2b, 0x78, 0xfd, 0x27, 0x00, 0x00, 0xff, 0xff, 0x75, 0x86, 0x6d, 0xd1, 0xaa, 0x02, 0x00,
+	0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -267,6 +285,20 @@ func (m *MsgOnboardParticipant) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if len(m.KycId) > 0 {
+		i -= len(m.KycId)
+		copy(dAtA[i:], m.KycId)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.KycId)))
+		i--
+		dAtA[i] = 0x2a
+	}
+	if len(m.Role) > 0 {
+		i -= len(m.Role)
+		copy(dAtA[i:], m.Role)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Role)))
+		i--
+		dAtA[i] = 0x22
+	}
 	if len(m.EthSignature) > 0 {
 		i -= len(m.EthSignature)
 		copy(dAtA[i:], m.EthSignature)
@@ -344,6 +376,14 @@ func (m *MsgOnboardParticipant) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovTx(uint64(l))
 	}
+	l = len(m.Role)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	l = len(m.KycId)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
 	return n
 }
 
@@ -488,6 +528,70 @@ func (m *MsgOnboardParticipant) Unmarshal(dAtA []byte) error {
 			}
 			m.EthSignature = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Role", 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.Role = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 5:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field KycId", 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.KycId = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTx(dAtA[iNdEx:])