diff --git a/docs/static/openapi.yml b/docs/static/openapi.yml
index 20fe92d5..770698f6 100644
--- a/docs/static/openapi.yml
+++ b/docs/static/openapi.yml
@@ -68774,6 +68774,8 @@ definitions:
     type: object
   DecentralCardGame.cardchain.cardchain.MsgSetCollectionArtistResponse:
     type: object
+  DecentralCardGame.cardchain.cardchain.MsgSetCollectionNameResponse:
+    type: object
   DecentralCardGame.cardchain.cardchain.MsgSetCollectionStoryWriterResponse:
     type: object
   DecentralCardGame.cardchain.cardchain.MsgSetProfileCardResponse:
diff --git a/package-lock.json b/package-lock.json
deleted file mode 100644
index 48e341a0..00000000
--- a/package-lock.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "lockfileVersion": 1
-}
diff --git a/proto/cardchain/cardchain/tx.proto b/proto/cardchain/cardchain/tx.proto
index a50f58a1..11f83f24 100644
--- a/proto/cardchain/cardchain/tx.proto
+++ b/proto/cardchain/cardchain/tx.proto
@@ -54,10 +54,11 @@ service Msg {
   rpc SetCollectionArtist             (MsgSetCollectionArtist            ) returns (MsgSetCollectionArtistResponse            );
   rpc SetUserWebsite                  (MsgSetUserWebsite                 ) returns (MsgSetUserWebsiteResponse                 );
   rpc SetUserBiography                (MsgSetUserBiography               ) returns (MsgSetUserBiographyResponse               );
-
+  
   // this line is used by starport scaffolding # proto/tx/rpc
-  rpc MultiVoteCard (MsgMultiVoteCard) returns (MsgMultiVoteCardResponse);
-  rpc MsgOpenMatch  (MsgMsgOpenMatch ) returns (MsgMsgOpenMatchResponse );
+  rpc MultiVoteCard     (MsgMultiVoteCard    ) returns (MsgMultiVoteCardResponse    );
+  rpc MsgOpenMatch      (MsgMsgOpenMatch     ) returns (MsgMsgOpenMatchResponse     );
+  rpc SetCollectionName (MsgSetCollectionName) returns (MsgSetCollectionNameResponse);
 }
 message MsgCreateuser {
   string creator = 1;
@@ -74,7 +75,7 @@ message MsgBuyCardScheme {
   cosmos.base.v1beta1.Coin bid     = 2 [(gogoproto.nullable) = false, (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coin"];
 
   /*
-                               string bid = 2;
+                                       string bid = 2;
    */}
 
 message MsgBuyCardSchemeResponse {
@@ -335,9 +336,9 @@ message MsgRewokeCouncilRegistration {
 message MsgRewokeCouncilRegistrationResponse {}
 
 message MsgConfirmMatch {
-           string  creator = 1;
-           uint64  matchId = 2;
-           Outcome outcome = 3;
+           string     creator    = 1;
+           uint64     matchId    = 2;
+           Outcome    outcome    = 3;
   repeated SingleVote votedCards = 4;
 }
 
@@ -406,9 +407,9 @@ message MsgMultiVoteCard {
 message MsgMultiVoteCardResponse {}
 
 message MsgMsgOpenMatch {
-  string creator = 1;
-  string playerA = 2;
-  string playerB = 3;
+           string creator     = 1;
+           string playerA     = 2;
+           string playerB     = 3;
   repeated uint64 playerADeck = 4;
   repeated uint64 playerBDeck = 5;
 }
@@ -417,3 +418,11 @@ message MsgMsgOpenMatchResponse {
   uint64 matchId = 1;
 }
 
+message MsgSetCollectionName {
+  string creator      = 1;
+  uint64 collectionId = 2;
+  string name         = 3;
+}
+
+message MsgSetCollectionNameResponse {}
+
diff --git a/x/cardchain/client/cli/tx.go b/x/cardchain/client/cli/tx.go
index 7e9ec4c3..8c6ae1da 100644
--- a/x/cardchain/client/cli/tx.go
+++ b/x/cardchain/client/cli/tx.go
@@ -71,6 +71,7 @@ func GetTxCmd() *cobra.Command {
 	cmd.AddCommand(CmdSetUserBiography())
 	cmd.AddCommand(CmdMultiVoteCard())
 	cmd.AddCommand(CmdMsgOpenMatch())
+	cmd.AddCommand(CmdSetCollectionName())
 	// this line is used by starport scaffolding # 1
 
 	return cmd
diff --git a/x/cardchain/client/cli/tx_set_collection_name.go b/x/cardchain/client/cli/tx_set_collection_name.go
new file mode 100644
index 00000000..741068a1
--- /dev/null
+++ b/x/cardchain/client/cli/tx_set_collection_name.go
@@ -0,0 +1,48 @@
+package cli
+
+import (
+	"strconv"
+
+	"github.com/DecentralCardGame/Cardchain/x/cardchain/types"
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/cosmos/cosmos-sdk/client/tx"
+	"github.com/spf13/cast"
+	"github.com/spf13/cobra"
+)
+
+var _ = strconv.Itoa(0)
+
+func CmdSetCollectionName() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "set-collection-name [collection-id] [name]",
+		Short: "Broadcast message SetCollectionName",
+		Args:  cobra.ExactArgs(2),
+		RunE: func(cmd *cobra.Command, args []string) (err error) {
+			argCollectionId, err := cast.ToUint64E(args[0])
+			if err != nil {
+				return err
+			}
+			argName := args[1]
+
+			clientCtx, err := client.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			msg := types.NewMsgSetCollectionName(
+				clientCtx.GetFromAddress().String(),
+				argCollectionId,
+				argName,
+			)
+			if err := msg.ValidateBasic(); err != nil {
+				return err
+			}
+			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
+		},
+	}
+
+	flags.AddTxFlagsToCmd(cmd)
+
+	return cmd
+}
diff --git a/x/cardchain/keeper/collection.go b/x/cardchain/keeper/collection.go
index 51b404d5..d6d84361 100644
--- a/x/cardchain/keeper/collection.go
+++ b/x/cardchain/keeper/collection.go
@@ -1,7 +1,8 @@
 package keeper
 
 import (
-	"errors"
+	"fmt"
+	"github.com/cosmos/cosmos-sdk/types/errors"
 
 	sdkerrors "cosmossdk.io/errors"
 	"github.com/DecentralCardGame/Cardchain/x/cardchain/types"
@@ -104,5 +105,20 @@ func GetCardRarity(card *keywords.Card) (*cardobject.Rarity, error) {
 	} else if card.Headquarter != nil {
 		return card.Headquarter.Rarity, nil
 	}
-	return nil, errors.New("no card-attributes")
+	return nil, fmt.Errorf("no card-attributes")
+}
+
+func checkCollectionEditable(collection *types.Collection, user string) error {
+	if len(collection.Contributors) == 0 {
+		return sdkerrors.Wrap(types.ErrUninitializedType, "Collection not initialized")
+	}
+
+	if user != collection.Contributors[0] {
+		return sdkerrors.Wrap(errors.ErrUnauthorized, "Invalid creator")
+	}
+
+	if collection.Status != types.CStatus_design {
+		return types.ErrCollectionNotInDesign
+	}
+	return nil
 }
diff --git a/x/cardchain/keeper/msg_server_add_contributor_to_collection.go b/x/cardchain/keeper/msg_server_add_contributor_to_collection.go
index 2d881398..b728995d 100644
--- a/x/cardchain/keeper/msg_server_add_contributor_to_collection.go
+++ b/x/cardchain/keeper/msg_server_add_contributor_to_collection.go
@@ -14,18 +14,16 @@ func (k msgServer) AddContributorToCollection(goCtx context.Context, msg *types.
 	ctx := sdk.UnwrapSDKContext(goCtx)
 
 	collection := k.Collections.Get(ctx, msg.CollectionId)
-	if msg.Creator != collection.Contributors[0] {
-		return nil, sdkerrors.Wrap(errors.ErrUnauthorized, "Invalid creator")
-	}
-	if collection.Status != types.CStatus_design {
-		return nil, types.ErrCollectionNotInDesign
+	err := checkCollectionEditable(collection, msg.Creator)
+	if err != nil {
+		return nil, err
 	}
 
 	if slices.Contains(collection.Contributors, msg.User) {
 		return nil, sdkerrors.Wrap(types.ErrContributor, "Contributor allready Contributor: "+msg.User)
 	}
 
-	err := k.CollectCollectionConributionFee(ctx, msg.Creator)
+	err = k.CollectCollectionConributionFee(ctx, msg.Creator)
 	if err != nil {
 		return nil, sdkerrors.Wrap(errors.ErrInsufficientFunds, err.Error())
 	}
diff --git a/x/cardchain/keeper/msg_server_set_card_rarity.go b/x/cardchain/keeper/msg_server_set_card_rarity.go
index 473f953f..b7ca9db5 100644
--- a/x/cardchain/keeper/msg_server_set_card_rarity.go
+++ b/x/cardchain/keeper/msg_server_set_card_rarity.go
@@ -34,7 +34,7 @@ func (k msgServer) SetCardRarity(goCtx context.Context, msg *types.MsgSetCardRar
 	if err != nil {
 		return nil, sdkerrors.Wrap(types.ErrCardobject, err.Error())
 	}
-	
+
 	if cardobj.Action != nil {
 		cardobj.Action.Rarity = &rarity
 	} else if cardobj.Place != nil {
diff --git a/x/cardchain/keeper/msg_server_set_collection_artist.go b/x/cardchain/keeper/msg_server_set_collection_artist.go
index d26fc995..a43c9517 100644
--- a/x/cardchain/keeper/msg_server_set_collection_artist.go
+++ b/x/cardchain/keeper/msg_server_set_collection_artist.go
@@ -3,22 +3,17 @@ package keeper
 import (
 	"context"
 
-	sdkerrors "cosmossdk.io/errors"
 	"github.com/DecentralCardGame/Cardchain/x/cardchain/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	"github.com/cosmos/cosmos-sdk/types/errors"
 )
 
 func (k msgServer) SetCollectionArtist(goCtx context.Context, msg *types.MsgSetCollectionArtist) (*types.MsgSetCollectionArtistResponse, error) {
 	ctx := sdk.UnwrapSDKContext(goCtx)
 
 	collection := k.Collections.Get(ctx, msg.CollectionId)
-	if msg.Creator != collection.Contributors[0] {
-		return nil, sdkerrors.Wrap(errors.ErrUnauthorized, "Invalid creator")
-	}
-
-	if collection.Status != types.CStatus_design {
-		return nil, types.ErrCollectionNotInDesign
+	err := checkCollectionEditable(collection, msg.Creator)
+	if err != nil {
+		return nil, err
 	}
 
 	collection.Artist = msg.Artist
diff --git a/x/cardchain/keeper/msg_server_set_collection_name.go b/x/cardchain/keeper/msg_server_set_collection_name.go
new file mode 100644
index 00000000..52ab6976
--- /dev/null
+++ b/x/cardchain/keeper/msg_server_set_collection_name.go
@@ -0,0 +1,24 @@
+package keeper
+
+import (
+	"context"
+
+	"github.com/DecentralCardGame/Cardchain/x/cardchain/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+func (k msgServer) SetCollectionName(goCtx context.Context, msg *types.MsgSetCollectionName) (*types.MsgSetCollectionNameResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+
+	collection := k.Collections.Get(ctx, msg.CollectionId)
+	err := checkCollectionEditable(collection, msg.Creator)
+	if err != nil {
+		return nil, err
+	}
+	
+	collection.Name = msg.Name
+
+	k.Collections.Set(ctx, msg.CollectionId, collection)
+
+	return &types.MsgSetCollectionNameResponse{}, nil
+}
diff --git a/x/cardchain/keeper/msg_server_set_collection_story_writer.go b/x/cardchain/keeper/msg_server_set_collection_story_writer.go
index 6f2edc24..70b3eda7 100644
--- a/x/cardchain/keeper/msg_server_set_collection_story_writer.go
+++ b/x/cardchain/keeper/msg_server_set_collection_story_writer.go
@@ -3,22 +3,17 @@ package keeper
 import (
 	"context"
 
-	sdkerrors "cosmossdk.io/errors"
 	"github.com/DecentralCardGame/Cardchain/x/cardchain/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	"github.com/cosmos/cosmos-sdk/types/errors"
 )
 
 func (k msgServer) SetCollectionStoryWriter(goCtx context.Context, msg *types.MsgSetCollectionStoryWriter) (*types.MsgSetCollectionStoryWriterResponse, error) {
 	ctx := sdk.UnwrapSDKContext(goCtx)
 
 	collection := k.Collections.Get(ctx, msg.CollectionId)
-	if msg.Creator != collection.Contributors[0] {
-		return nil, sdkerrors.Wrap(errors.ErrUnauthorized, "Invalid creator")
-	}
-
-	if collection.Status != types.CStatus_design {
-		return nil, types.ErrCollectionNotInDesign
+	err := checkCollectionEditable(collection, msg.Creator)
+	if err != nil {
+		return nil, err
 	}
 
 	collection.StoryWriter = msg.StoryWriter
diff --git a/x/cardchain/keeper/msg_server_set_user_website.go b/x/cardchain/keeper/msg_server_set_user_website.go
index 3b5f1c32..e12ca40e 100644
--- a/x/cardchain/keeper/msg_server_set_user_website.go
+++ b/x/cardchain/keeper/msg_server_set_user_website.go
@@ -3,9 +3,9 @@ package keeper
 import (
 	"context"
 
+	sdkerrors "cosmossdk.io/errors"
 	"github.com/DecentralCardGame/Cardchain/x/cardchain/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	sdkerrors "cosmossdk.io/errors"
 )
 
 func (k msgServer) SetUserWebsite(goCtx context.Context, msg *types.MsgSetUserWebsite) (*types.MsgSetUserWebsiteResponse, error) {
diff --git a/x/cardchain/module_simulation.go b/x/cardchain/module_simulation.go
index 6d1222c6..48a79b3c 100644
--- a/x/cardchain/module_simulation.go
+++ b/x/cardchain/module_simulation.go
@@ -192,6 +192,10 @@ const (
 	// TODO: Determine the simulation weight value
 	defaultWeightMsgMsgOpenMatch int = 100
 
+	opWeightMsgSetCollectionName = "op_weight_msg_set_collection_name"
+	// TODO: Determine the simulation weight value
+	defaultWeightMsgSetCollectionName int = 100
+
 	// this line is used by starport scaffolding # simapp/module/const
 )
 
@@ -687,6 +691,17 @@ func (am AppModule) WeightedOperations(simState module.SimulationState) []simtyp
 		cardchainsimulation.SimulateMsgMsgOpenMatch(am.accountKeeper, am.bankKeeper, am.keeper),
 	))
 
+	var weightMsgSetCollectionName int
+	simState.AppParams.GetOrGenerate(simState.Cdc, opWeightMsgSetCollectionName, &weightMsgSetCollectionName, nil,
+		func(_ *rand.Rand) {
+			weightMsgSetCollectionName = defaultWeightMsgSetCollectionName
+		},
+	)
+	operations = append(operations, simulation.NewWeightedOperation(
+		weightMsgSetCollectionName,
+		cardchainsimulation.SimulateMsgSetCollectionName(am.accountKeeper, am.bankKeeper, am.keeper),
+	))
+
 	// this line is used by starport scaffolding # simapp/module/operation
 
 	return operations
diff --git a/x/cardchain/simulation/set_collection_name.go b/x/cardchain/simulation/set_collection_name.go
new file mode 100644
index 00000000..3997222e
--- /dev/null
+++ b/x/cardchain/simulation/set_collection_name.go
@@ -0,0 +1,29 @@
+package simulation
+
+import (
+	"math/rand"
+
+	"github.com/DecentralCardGame/Cardchain/x/cardchain/keeper"
+	"github.com/DecentralCardGame/Cardchain/x/cardchain/types"
+	"github.com/cosmos/cosmos-sdk/baseapp"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
+)
+
+func SimulateMsgSetCollectionName(
+	ak types.AccountKeeper,
+	bk types.BankKeeper,
+	k keeper.Keeper,
+) simtypes.Operation {
+	return func(r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
+	) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
+		simAccount, _ := simtypes.RandomAcc(r, accs)
+		msg := &types.MsgSetCollectionName{
+			Creator: simAccount.Address.String(),
+		}
+
+		// TODO: Handling the SetCollectionName simulation
+
+		return simtypes.NoOpMsg(types.ModuleName, msg.Type(), "SetCollectionName simulation not implemented"), nil, nil
+	}
+}
diff --git a/x/cardchain/types/codec.go b/x/cardchain/types/codec.go
index e156875d..c1d3cd12 100644
--- a/x/cardchain/types/codec.go
+++ b/x/cardchain/types/codec.go
@@ -54,6 +54,7 @@ func RegisterCodec(cdc *codec.LegacyAmino) {
 	cdc.RegisterConcrete(&MsgSetUserBiography{}, "cardchain/SetUserBiography", nil)
 	cdc.RegisterConcrete(&MsgMultiVoteCard{}, "cardchain/MultiVoteCard", nil)
 	cdc.RegisterConcrete(&MsgMsgOpenMatch{}, "cardchain/MsgOpenMatch", nil)
+	cdc.RegisterConcrete(&MsgSetCollectionName{}, "cardchain/SetCollectionName", nil)
 	// this line is used by starport scaffolding # 2
 }
 
@@ -193,6 +194,9 @@ func RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
 	registry.RegisterImplementations((*sdk.Msg)(nil),
 		&MsgMsgOpenMatch{},
 	)
+	registry.RegisterImplementations((*sdk.Msg)(nil),
+		&MsgSetCollectionName{},
+	)
 	// this line is used by starport scaffolding # 3
 
 	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
diff --git a/x/cardchain/types/errors.go b/x/cardchain/types/errors.go
index 5a7cab41..081c536d 100644
--- a/x/cardchain/types/errors.go
+++ b/x/cardchain/types/errors.go
@@ -31,4 +31,5 @@ var (
 	ErrStringLength            = sdkerrors.Register(ModuleName, 21, "String literal too long")
 	ErrUserAlreadyExists       = sdkerrors.Register(ModuleName, 22, "User already exists")
 	ErrWaitingForPlayers       = sdkerrors.Register(ModuleName, 23, "Waiting for players")
+	ErrUninitializedType       = sdkerrors.Register(ModuleName, 24, "Type not yet initialized")
 )
diff --git a/x/cardchain/types/message_set_collection_name.go b/x/cardchain/types/message_set_collection_name.go
new file mode 100644
index 00000000..42a7fd4b
--- /dev/null
+++ b/x/cardchain/types/message_set_collection_name.go
@@ -0,0 +1,47 @@
+package types
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+)
+
+const TypeMsgSetCollectionName = "set_collection_name"
+
+var _ sdk.Msg = &MsgSetCollectionName{}
+
+func NewMsgSetCollectionName(creator string, collectionId uint64, name string) *MsgSetCollectionName {
+	return &MsgSetCollectionName{
+		Creator:      creator,
+		CollectionId: collectionId,
+		Name:         name,
+	}
+}
+
+func (msg *MsgSetCollectionName) Route() string {
+	return RouterKey
+}
+
+func (msg *MsgSetCollectionName) Type() string {
+	return TypeMsgSetCollectionName
+}
+
+func (msg *MsgSetCollectionName) GetSigners() []sdk.AccAddress {
+	creator, err := sdk.AccAddressFromBech32(msg.Creator)
+	if err != nil {
+		panic(err)
+	}
+	return []sdk.AccAddress{creator}
+}
+
+func (msg *MsgSetCollectionName) GetSignBytes() []byte {
+	bz := ModuleCdc.MustMarshalJSON(msg)
+	return sdk.MustSortJSON(bz)
+}
+
+func (msg *MsgSetCollectionName) ValidateBasic() error {
+	_, err := sdk.AccAddressFromBech32(msg.Creator)
+	if err != nil {
+		return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid creator address (%s)", err)
+	}
+	return nil
+}
diff --git a/x/cardchain/types/message_set_collection_name_test.go b/x/cardchain/types/message_set_collection_name_test.go
new file mode 100644
index 00000000..9e125cd2
--- /dev/null
+++ b/x/cardchain/types/message_set_collection_name_test.go
@@ -0,0 +1,40 @@
+package types
+
+import (
+	"testing"
+
+	"github.com/DecentralCardGame/Cardchain/testutil/sample"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMsgSetCollectionName_ValidateBasic(t *testing.T) {
+	tests := []struct {
+		name string
+		msg  MsgSetCollectionName
+		err  error
+	}{
+		{
+			name: "invalid address",
+			msg: MsgSetCollectionName{
+				Creator: "invalid_address",
+			},
+			err: sdkerrors.ErrInvalidAddress,
+		}, {
+			name: "valid address",
+			msg: MsgSetCollectionName{
+				Creator: sample.AccAddress(),
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := tt.msg.ValidateBasic()
+			if tt.err != nil {
+				require.ErrorIs(t, err, tt.err)
+				return
+			}
+			require.NoError(t, err)
+		})
+	}
+}
diff --git a/x/cardchain/types/tx.pb.go b/x/cardchain/types/tx.pb.go
index b3edc621..23d7368b 100644
--- a/x/cardchain/types/tx.pb.go
+++ b/x/cardchain/types/tx.pb.go
@@ -4084,6 +4084,102 @@ func (m *MsgMsgOpenMatchResponse) GetMatchId() uint64 {
 	return 0
 }
 
+type MsgSetCollectionName struct {
+	Creator      string `protobuf:"bytes,1,opt,name=creator,proto3" json:"creator,omitempty"`
+	CollectionId uint64 `protobuf:"varint,2,opt,name=collectionId,proto3" json:"collectionId,omitempty"`
+	Name         string `protobuf:"bytes,3,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (m *MsgSetCollectionName) Reset()         { *m = MsgSetCollectionName{} }
+func (m *MsgSetCollectionName) String() string { return proto.CompactTextString(m) }
+func (*MsgSetCollectionName) ProtoMessage()    {}
+func (*MsgSetCollectionName) Descriptor() ([]byte, []int) {
+	return fileDescriptor_3b4a3aba0ac94bc8, []int{84}
+}
+func (m *MsgSetCollectionName) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgSetCollectionName) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgSetCollectionName.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 *MsgSetCollectionName) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgSetCollectionName.Merge(m, src)
+}
+func (m *MsgSetCollectionName) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgSetCollectionName) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgSetCollectionName.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgSetCollectionName proto.InternalMessageInfo
+
+func (m *MsgSetCollectionName) GetCreator() string {
+	if m != nil {
+		return m.Creator
+	}
+	return ""
+}
+
+func (m *MsgSetCollectionName) GetCollectionId() uint64 {
+	if m != nil {
+		return m.CollectionId
+	}
+	return 0
+}
+
+func (m *MsgSetCollectionName) GetName() string {
+	if m != nil {
+		return m.Name
+	}
+	return ""
+}
+
+type MsgSetCollectionNameResponse struct {
+}
+
+func (m *MsgSetCollectionNameResponse) Reset()         { *m = MsgSetCollectionNameResponse{} }
+func (m *MsgSetCollectionNameResponse) String() string { return proto.CompactTextString(m) }
+func (*MsgSetCollectionNameResponse) ProtoMessage()    {}
+func (*MsgSetCollectionNameResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_3b4a3aba0ac94bc8, []int{85}
+}
+func (m *MsgSetCollectionNameResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgSetCollectionNameResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgSetCollectionNameResponse.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 *MsgSetCollectionNameResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgSetCollectionNameResponse.Merge(m, src)
+}
+func (m *MsgSetCollectionNameResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgSetCollectionNameResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgSetCollectionNameResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgSetCollectionNameResponse proto.InternalMessageInfo
+
 func init() {
 	proto.RegisterType((*MsgCreateuser)(nil), "DecentralCardGame.cardchain.cardchain.MsgCreateuser")
 	proto.RegisterType((*MsgCreateuserResponse)(nil), "DecentralCardGame.cardchain.cardchain.MsgCreateuserResponse")
@@ -4169,167 +4265,172 @@ func init() {
 	proto.RegisterType((*MsgMultiVoteCardResponse)(nil), "DecentralCardGame.cardchain.cardchain.MsgMultiVoteCardResponse")
 	proto.RegisterType((*MsgMsgOpenMatch)(nil), "DecentralCardGame.cardchain.cardchain.MsgMsgOpenMatch")
 	proto.RegisterType((*MsgMsgOpenMatchResponse)(nil), "DecentralCardGame.cardchain.cardchain.MsgMsgOpenMatchResponse")
+	proto.RegisterType((*MsgSetCollectionName)(nil), "DecentralCardGame.cardchain.cardchain.MsgSetCollectionName")
+	proto.RegisterType((*MsgSetCollectionNameResponse)(nil), "DecentralCardGame.cardchain.cardchain.MsgSetCollectionNameResponse")
 }
 
 func init() { proto.RegisterFile("cardchain/cardchain/tx.proto", fileDescriptor_3b4a3aba0ac94bc8) }
 
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 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -4387,6 +4488,7 @@ type MsgClient interface {
 	// this line is used by starport scaffolding # proto/tx/rpc
 	MultiVoteCard(ctx context.Context, in *MsgMultiVoteCard, opts ...grpc.CallOption) (*MsgMultiVoteCardResponse, error)
 	MsgOpenMatch(ctx context.Context, in *MsgMsgOpenMatch, opts ...grpc.CallOption) (*MsgMsgOpenMatchResponse, error)
+	SetCollectionName(ctx context.Context, in *MsgSetCollectionName, opts ...grpc.CallOption) (*MsgSetCollectionNameResponse, error)
 }
 
 type msgClient struct {
@@ -4775,6 +4877,15 @@ func (c *msgClient) MsgOpenMatch(ctx context.Context, in *MsgMsgOpenMatch, opts
 	return out, nil
 }
 
+func (c *msgClient) SetCollectionName(ctx context.Context, in *MsgSetCollectionName, opts ...grpc.CallOption) (*MsgSetCollectionNameResponse, error) {
+	out := new(MsgSetCollectionNameResponse)
+	err := c.cc.Invoke(ctx, "/DecentralCardGame.cardchain.cardchain.Msg/SetCollectionName", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // MsgServer is the server API for Msg service.
 type MsgServer interface {
 	Createuser(context.Context, *MsgCreateuser) (*MsgCreateuserResponse, error)
@@ -4820,6 +4931,7 @@ type MsgServer interface {
 	// this line is used by starport scaffolding # proto/tx/rpc
 	MultiVoteCard(context.Context, *MsgMultiVoteCard) (*MsgMultiVoteCardResponse, error)
 	MsgOpenMatch(context.Context, *MsgMsgOpenMatch) (*MsgMsgOpenMatchResponse, error)
+	SetCollectionName(context.Context, *MsgSetCollectionName) (*MsgSetCollectionNameResponse, error)
 }
 
 // UnimplementedMsgServer can be embedded to have forward compatible implementations.
@@ -4952,6 +5064,9 @@ func (*UnimplementedMsgServer) MultiVoteCard(ctx context.Context, req *MsgMultiV
 func (*UnimplementedMsgServer) MsgOpenMatch(ctx context.Context, req *MsgMsgOpenMatch) (*MsgMsgOpenMatchResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method MsgOpenMatch not implemented")
 }
+func (*UnimplementedMsgServer) SetCollectionName(ctx context.Context, req *MsgSetCollectionName) (*MsgSetCollectionNameResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method SetCollectionName not implemented")
+}
 
 func RegisterMsgServer(s grpc1.Server, srv MsgServer) {
 	s.RegisterService(&_Msg_serviceDesc, srv)
@@ -5713,6 +5828,24 @@ func _Msg_MsgOpenMatch_Handler(srv interface{}, ctx context.Context, dec func(in
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Msg_SetCollectionName_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MsgSetCollectionName)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MsgServer).SetCollectionName(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/DecentralCardGame.cardchain.cardchain.Msg/SetCollectionName",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MsgServer).SetCollectionName(ctx, req.(*MsgSetCollectionName))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _Msg_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "DecentralCardGame.cardchain.cardchain.Msg",
 	HandlerType: (*MsgServer)(nil),
@@ -5885,6 +6018,10 @@ var _Msg_serviceDesc = grpc.ServiceDesc{
 			MethodName: "MsgOpenMatch",
 			Handler:    _Msg_MsgOpenMatch_Handler,
 		},
+		{
+			MethodName: "SetCollectionName",
+			Handler:    _Msg_SetCollectionName_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "cardchain/cardchain/tx.proto",
@@ -8754,6 +8891,71 @@ func (m *MsgMsgOpenMatchResponse) MarshalToSizedBuffer(dAtA []byte) (int, error)
 	return len(dAtA) - i, nil
 }
 
+func (m *MsgSetCollectionName) 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 *MsgSetCollectionName) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgSetCollectionName) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		i -= len(m.Name)
+		copy(dAtA[i:], m.Name)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Name)))
+		i--
+		dAtA[i] = 0x1a
+	}
+	if m.CollectionId != 0 {
+		i = encodeVarintTx(dAtA, i, uint64(m.CollectionId))
+		i--
+		dAtA[i] = 0x10
+	}
+	if len(m.Creator) > 0 {
+		i -= len(m.Creator)
+		copy(dAtA[i:], m.Creator)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Creator)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *MsgSetCollectionNameResponse) 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 *MsgSetCollectionNameResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgSetCollectionNameResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	return len(dAtA) - i, nil
+}
+
 func encodeVarintTx(dAtA []byte, offset int, v uint64) int {
 	offset -= sovTx(v)
 	base := offset
@@ -10015,6 +10217,35 @@ func (m *MsgMsgOpenMatchResponse) Size() (n int) {
 	return n
 }
 
+func (m *MsgSetCollectionName) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Creator)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	if m.CollectionId != 0 {
+		n += 1 + sovTx(uint64(m.CollectionId))
+	}
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	return n
+}
+
+func (m *MsgSetCollectionNameResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	return n
+}
+
 func sovTx(x uint64) (n int) {
 	return (math_bits.Len64(x|1) + 6) / 7
 }
@@ -18068,6 +18299,189 @@ func (m *MsgMsgOpenMatchResponse) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *MsgSetCollectionName) 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: MsgSetCollectionName: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgSetCollectionName: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Creator", 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.Creator = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field CollectionId", wireType)
+			}
+			m.CollectionId = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.CollectionId |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", 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.Name = string(dAtA[iNdEx:postIndex])
+			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 *MsgSetCollectionNameResponse) 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: MsgSetCollectionNameResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgSetCollectionNameResponse: 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 skipTx(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0