diff --git a/disperser/api/grpc/encoder/encoder.pb.go b/disperser/api/grpc/encoder/encoder.pb.go
index 908a5691ea..e7baba1a31 100644
--- a/disperser/api/grpc/encoder/encoder.pb.go
+++ b/disperser/api/grpc/encoder/encoder.pb.go
@@ -20,6 +20,55 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
+type ChunkEncodingFormat int32
+
+const (
+	ChunkEncodingFormat_UNKNOWN ChunkEncodingFormat = 0
+	ChunkEncodingFormat_GNARK   ChunkEncodingFormat = 1
+	ChunkEncodingFormat_GOB     ChunkEncodingFormat = 2
+)
+
+// Enum value maps for ChunkEncodingFormat.
+var (
+	ChunkEncodingFormat_name = map[int32]string{
+		0: "UNKNOWN",
+		1: "GNARK",
+		2: "GOB",
+	}
+	ChunkEncodingFormat_value = map[string]int32{
+		"UNKNOWN": 0,
+		"GNARK":   1,
+		"GOB":     2,
+	}
+)
+
+func (x ChunkEncodingFormat) Enum() *ChunkEncodingFormat {
+	p := new(ChunkEncodingFormat)
+	*p = x
+	return p
+}
+
+func (x ChunkEncodingFormat) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (ChunkEncodingFormat) Descriptor() protoreflect.EnumDescriptor {
+	return file_encoder_encoder_proto_enumTypes[0].Descriptor()
+}
+
+func (ChunkEncodingFormat) Type() protoreflect.EnumType {
+	return &file_encoder_encoder_proto_enumTypes[0]
+}
+
+func (x ChunkEncodingFormat) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use ChunkEncodingFormat.Descriptor instead.
+func (ChunkEncodingFormat) EnumDescriptor() ([]byte, []int) {
+	return file_encoder_encoder_proto_rawDescGZIP(), []int{0}
+}
+
 // BlomCommitments contains the blob's commitment, degree proof, and the actual degree
 type BlobCommitment struct {
 	state         protoimpl.MessageState
@@ -213,6 +262,8 @@ type EncodeBlobReply struct {
 
 	Commitment *BlobCommitment `protobuf:"bytes,1,opt,name=commitment,proto3" json:"commitment,omitempty"`
 	Chunks     [][]byte        `protobuf:"bytes,2,rep,name=chunks,proto3" json:"chunks,omitempty"`
+	// How the above chunks are encoded.
+	ChunkEncodingFormat ChunkEncodingFormat `protobuf:"varint,3,opt,name=chunk_encoding_format,json=chunkEncodingFormat,proto3,enum=encoder.ChunkEncodingFormat" json:"chunk_encoding_format,omitempty"`
 }
 
 func (x *EncodeBlobReply) Reset() {
@@ -261,6 +312,13 @@ func (x *EncodeBlobReply) GetChunks() [][]byte {
 	return nil
 }
 
+func (x *EncodeBlobReply) GetChunkEncodingFormat() ChunkEncodingFormat {
+	if x != nil {
+		return x.ChunkEncodingFormat
+	}
+	return ChunkEncodingFormat_UNKNOWN
+}
+
 var File_encoder_encoder_proto protoreflect.FileDescriptor
 
 var file_encoder_encoder_proto_rawDesc = []byte{
@@ -287,22 +345,31 @@ var file_encoder_encoder_proto_rawDesc = []byte{
 	0x64, 0x69, 0x6e, 0x67, 0x5f, 0x70, 0x61, 0x72, 0x61, 0x6d, 0x73, 0x18, 0x02, 0x20, 0x01, 0x28,
 	0x0b, 0x32, 0x17, 0x2e, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x72, 0x2e, 0x45, 0x6e, 0x63, 0x6f,
 	0x64, 0x69, 0x6e, 0x67, 0x50, 0x61, 0x72, 0x61, 0x6d, 0x73, 0x52, 0x0e, 0x65, 0x6e, 0x63, 0x6f,
-	0x64, 0x69, 0x6e, 0x67, 0x50, 0x61, 0x72, 0x61, 0x6d, 0x73, 0x22, 0x62, 0x0a, 0x0f, 0x45, 0x6e,
-	0x63, 0x6f, 0x64, 0x65, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x12, 0x37, 0x0a,
-	0x0a, 0x63, 0x6f, 0x6d, 0x6d, 0x69, 0x74, 0x6d, 0x65, 0x6e, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28,
-	0x0b, 0x32, 0x17, 0x2e, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x72, 0x2e, 0x42, 0x6c, 0x6f, 0x62,
-	0x43, 0x6f, 0x6d, 0x6d, 0x69, 0x74, 0x6d, 0x65, 0x6e, 0x74, 0x52, 0x0a, 0x63, 0x6f, 0x6d, 0x6d,
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-	0x18, 0x02, 0x20, 0x03, 0x28, 0x0c, 0x52, 0x06, 0x63, 0x68, 0x75, 0x6e, 0x6b, 0x73, 0x32, 0x4f,
-	0x0a, 0x07, 0x45, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x72, 0x12, 0x44, 0x0a, 0x0a, 0x45, 0x6e, 0x63,
-	0x6f, 0x64, 0x65, 0x42, 0x6c, 0x6f, 0x62, 0x12, 0x1a, 0x2e, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x65,
-	0x72, 0x2e, 0x45, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x71, 0x75,
-	0x65, 0x73, 0x74, 0x1a, 0x18, 0x2e, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x72, 0x2e, 0x45, 0x6e,
-	0x63, 0x6f, 0x64, 0x65, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x22, 0x00, 0x42,
-	0x2f, 0x5a, 0x2d, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x4c, 0x61,
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-	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x64, 0x69, 0x6e, 0x67, 0x50, 0x61, 0x72, 0x61, 0x6d, 0x73, 0x22, 0xb4, 0x01, 0x0a, 0x0f, 0x45,
+	0x6e, 0x63, 0x6f, 0x64, 0x65, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x12, 0x37,
+	0x0a, 0x0a, 0x63, 0x6f, 0x6d, 0x6d, 0x69, 0x74, 0x6d, 0x65, 0x6e, 0x74, 0x18, 0x01, 0x20, 0x01,
+	0x28, 0x0b, 0x32, 0x17, 0x2e, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x72, 0x2e, 0x42, 0x6c, 0x6f,
+	0x62, 0x43, 0x6f, 0x6d, 0x6d, 0x69, 0x74, 0x6d, 0x65, 0x6e, 0x74, 0x52, 0x0a, 0x63, 0x6f, 0x6d,
+	0x6d, 0x69, 0x74, 0x6d, 0x65, 0x6e, 0x74, 0x12, 0x16, 0x0a, 0x06, 0x63, 0x68, 0x75, 0x6e, 0x6b,
+	0x73, 0x18, 0x02, 0x20, 0x03, 0x28, 0x0c, 0x52, 0x06, 0x63, 0x68, 0x75, 0x6e, 0x6b, 0x73, 0x12,
+	0x50, 0x0a, 0x15, 0x63, 0x68, 0x75, 0x6e, 0x6b, 0x5f, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x69, 0x6e,
+	0x67, 0x5f, 0x66, 0x6f, 0x72, 0x6d, 0x61, 0x74, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x1c,
+	0x2e, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x72, 0x2e, 0x43, 0x68, 0x75, 0x6e, 0x6b, 0x45, 0x6e,
+	0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x46, 0x6f, 0x72, 0x6d, 0x61, 0x74, 0x52, 0x13, 0x63, 0x68,
+	0x75, 0x6e, 0x6b, 0x45, 0x6e, 0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x46, 0x6f, 0x72, 0x6d, 0x61,
+	0x74, 0x2a, 0x36, 0x0a, 0x13, 0x43, 0x68, 0x75, 0x6e, 0x6b, 0x45, 0x6e, 0x63, 0x6f, 0x64, 0x69,
+	0x6e, 0x67, 0x46, 0x6f, 0x72, 0x6d, 0x61, 0x74, 0x12, 0x0b, 0x0a, 0x07, 0x55, 0x4e, 0x4b, 0x4e,
+	0x4f, 0x57, 0x4e, 0x10, 0x00, 0x12, 0x09, 0x0a, 0x05, 0x47, 0x4e, 0x41, 0x52, 0x4b, 0x10, 0x01,
+	0x12, 0x07, 0x0a, 0x03, 0x47, 0x4f, 0x42, 0x10, 0x02, 0x32, 0x4f, 0x0a, 0x07, 0x45, 0x6e, 0x63,
+	0x6f, 0x64, 0x65, 0x72, 0x12, 0x44, 0x0a, 0x0a, 0x45, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x42, 0x6c,
+	0x6f, 0x62, 0x12, 0x1a, 0x2e, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x72, 0x2e, 0x45, 0x6e, 0x63,
+	0x6f, 0x64, 0x65, 0x42, 0x6c, 0x6f, 0x62, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x18,
+	0x2e, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x72, 0x2e, 0x45, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x42,
+	0x6c, 0x6f, 0x62, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x22, 0x00, 0x42, 0x2f, 0x5a, 0x2d, 0x67, 0x69,
+	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x4c, 0x61, 0x79, 0x72, 0x2d, 0x4c, 0x61,
+	0x62, 0x73, 0x2f, 0x65, 0x69, 0x67, 0x65, 0x6e, 0x64, 0x61, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x67,
+	0x72, 0x70, 0x63, 0x2f, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x33,
 }
 
 var (
@@ -317,23 +384,26 @@ func file_encoder_encoder_proto_rawDescGZIP() []byte {
 	return file_encoder_encoder_proto_rawDescData
 }
 
+var file_encoder_encoder_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
 var file_encoder_encoder_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
 var file_encoder_encoder_proto_goTypes = []interface{}{
-	(*BlobCommitment)(nil),    // 0: encoder.BlobCommitment
-	(*EncodingParams)(nil),    // 1: encoder.EncodingParams
-	(*EncodeBlobRequest)(nil), // 2: encoder.EncodeBlobRequest
-	(*EncodeBlobReply)(nil),   // 3: encoder.EncodeBlobReply
+	(ChunkEncodingFormat)(0),  // 0: encoder.ChunkEncodingFormat
+	(*BlobCommitment)(nil),    // 1: encoder.BlobCommitment
+	(*EncodingParams)(nil),    // 2: encoder.EncodingParams
+	(*EncodeBlobRequest)(nil), // 3: encoder.EncodeBlobRequest
+	(*EncodeBlobReply)(nil),   // 4: encoder.EncodeBlobReply
 }
 var file_encoder_encoder_proto_depIdxs = []int32{
-	1, // 0: encoder.EncodeBlobRequest.encoding_params:type_name -> encoder.EncodingParams
-	0, // 1: encoder.EncodeBlobReply.commitment:type_name -> encoder.BlobCommitment
-	2, // 2: encoder.Encoder.EncodeBlob:input_type -> encoder.EncodeBlobRequest
-	3, // 3: encoder.Encoder.EncodeBlob:output_type -> encoder.EncodeBlobReply
-	3, // [3:4] is the sub-list for method output_type
-	2, // [2:3] is the sub-list for method input_type
-	2, // [2:2] is the sub-list for extension type_name
-	2, // [2:2] is the sub-list for extension extendee
-	0, // [0:2] is the sub-list for field type_name
+	2, // 0: encoder.EncodeBlobRequest.encoding_params:type_name -> encoder.EncodingParams
+	1, // 1: encoder.EncodeBlobReply.commitment:type_name -> encoder.BlobCommitment
+	0, // 2: encoder.EncodeBlobReply.chunk_encoding_format:type_name -> encoder.ChunkEncodingFormat
+	3, // 3: encoder.Encoder.EncodeBlob:input_type -> encoder.EncodeBlobRequest
+	4, // 4: encoder.Encoder.EncodeBlob:output_type -> encoder.EncodeBlobReply
+	4, // [4:5] is the sub-list for method output_type
+	3, // [3:4] is the sub-list for method input_type
+	3, // [3:3] is the sub-list for extension type_name
+	3, // [3:3] is the sub-list for extension extendee
+	0, // [0:3] is the sub-list for field type_name
 }
 
 func init() { file_encoder_encoder_proto_init() }
@@ -396,13 +466,14 @@ func file_encoder_encoder_proto_init() {
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_encoder_encoder_proto_rawDesc,
-			NumEnums:      0,
+			NumEnums:      1,
 			NumMessages:   4,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
 		GoTypes:           file_encoder_encoder_proto_goTypes,
 		DependencyIndexes: file_encoder_encoder_proto_depIdxs,
+		EnumInfos:         file_encoder_encoder_proto_enumTypes,
 		MessageInfos:      file_encoder_encoder_proto_msgTypes,
 	}.Build()
 	File_encoder_encoder_proto = out.File
diff --git a/disperser/api/proto/encoder/encoder.proto b/disperser/api/proto/encoder/encoder.proto
index 7a67e6a4a4..f5813f9563 100644
--- a/disperser/api/proto/encoder/encoder.proto
+++ b/disperser/api/proto/encoder/encoder.proto
@@ -27,9 +27,17 @@ message EncodeBlobRequest {
   EncodingParams encoding_params = 2;
 }
 
-// EncodeBlobReply returns all encoded chunks along with BlobCommitment for the same, 
+enum ChunkEncodingFormat {
+	UNKNOWN = 0;
+	GNARK = 1;
+	GOB = 2;
+}
+
+// EncodeBlobReply returns all encoded chunks along with BlobCommitment for the same,
 // where Chunk is the smallest unit that is distributed to DA nodes
 message EncodeBlobReply {
   BlobCommitment commitment = 1;
   repeated bytes chunks = 2;
+  // How the above chunks are encoded.
+  ChunkEncodingFormat chunk_encoding_format = 3;
 }
diff --git a/disperser/cmd/encoder/config.go b/disperser/cmd/encoder/config.go
index d1d4717ca9..513a970182 100644
--- a/disperser/cmd/encoder/config.go
+++ b/disperser/cmd/encoder/config.go
@@ -24,9 +24,10 @@ func NewConfig(ctx *cli.Context) (Config, error) {
 		EncoderConfig: kzg.ReadCLIConfig(ctx),
 		LoggerConfig:  *loggerConfig,
 		ServerConfig: &encoder.ServerConfig{
-			GrpcPort:              ctx.GlobalString(flags.GrpcPortFlag.Name),
-			MaxConcurrentRequests: ctx.GlobalInt(flags.MaxConcurrentRequestsFlag.Name),
-			RequestPoolSize:       ctx.GlobalInt(flags.RequestPoolSizeFlag.Name),
+			GrpcPort:                 ctx.GlobalString(flags.GrpcPortFlag.Name),
+			MaxConcurrentRequests:    ctx.GlobalInt(flags.MaxConcurrentRequestsFlag.Name),
+			RequestPoolSize:          ctx.GlobalInt(flags.RequestPoolSizeFlag.Name),
+			EnableGnarkChunkEncoding: ctx.Bool(flags.EnableGnarkChunkEncodingFlag.Name),
 		},
 		MetricsConfig: encoder.MetrisConfig{
 			HTTPPort:      ctx.GlobalString(flags.MetricsHTTPPort.Name),
diff --git a/disperser/cmd/encoder/flags/flags.go b/disperser/cmd/encoder/flags/flags.go
index db560bbaa2..27a1bec0c8 100644
--- a/disperser/cmd/encoder/flags/flags.go
+++ b/disperser/cmd/encoder/flags/flags.go
@@ -47,6 +47,12 @@ var (
 		Value:    32,
 		EnvVar:   common.PrefixEnvVar(envVarPrefix, "REQUEST_POOL_SIZE"),
 	}
+	EnableGnarkChunkEncodingFlag = cli.BoolFlag{
+		Name:     common.PrefixFlag(FlagPrefix, "enable-gnark-chunk-encoding"),
+		Usage:    "if true, will produce chunks in Gnark, instead of Gob",
+		Required: false,
+		EnvVar:   common.PrefixEnvVar(envVarPrefix, "ENABLE_GNARK_CHUNK_ENCODING"),
+	}
 )
 
 var requiredFlags = []cli.Flag{
@@ -58,6 +64,7 @@ var optionalFlags = []cli.Flag{
 	EnableMetrics,
 	MaxConcurrentRequestsFlag,
 	RequestPoolSizeFlag,
+	EnableGnarkChunkEncodingFlag,
 }
 
 // Flags contains the list of configuration options available to the binary.
diff --git a/disperser/encoder/client.go b/disperser/encoder/client.go
index 8a72b08c85..6052bcf68c 100644
--- a/disperser/encoder/client.go
+++ b/disperser/encoder/client.go
@@ -60,11 +60,18 @@ func (c client) EncodeBlob(ctx context.Context, data []byte, encodingParams enco
 	if err != nil {
 		return nil, nil, err
 	}
+	var format core.ChunkEncodingFormat
+	switch reply.GetChunkEncodingFormat() {
+	case pb.ChunkEncodingFormat_GNARK:
+		format = core.GnarkChunkEncodingFormat
+	case pb.ChunkEncodingFormat_GOB:
+		format = core.GobChunkEncodingFormat
+	case pb.ChunkEncodingFormat_UNKNOWN:
+		format = core.GobChunkEncodingFormat
+	}
 	chunksData := &core.ChunksData{
-		Chunks: reply.GetChunks(),
-		// TODO(jianoaix): plumb the encoding format for the encoder server. For now it's fine
-		// as it's hard coded using Gob at Encoder server.
-		Format:   core.GobChunkEncodingFormat,
+		Chunks:   reply.GetChunks(),
+		Format:   format,
 		ChunkLen: int(encodingParams.ChunkLength),
 	}
 	return &encoding.BlobCommitments{
diff --git a/disperser/encoder/config.go b/disperser/encoder/config.go
index 9a0c8309e2..dcb2311584 100644
--- a/disperser/encoder/config.go
+++ b/disperser/encoder/config.go
@@ -5,7 +5,8 @@ const (
 )
 
 type ServerConfig struct {
-	GrpcPort              string
-	MaxConcurrentRequests int
-	RequestPoolSize       int
+	GrpcPort                 string
+	MaxConcurrentRequests    int
+	RequestPoolSize          int
+	EnableGnarkChunkEncoding bool
 }
diff --git a/disperser/encoder/server.go b/disperser/encoder/server.go
index 4b0f940c70..c4ab0f1219 100644
--- a/disperser/encoder/server.go
+++ b/disperser/encoder/server.go
@@ -116,8 +116,20 @@ func (s *Server) handleEncoding(ctx context.Context, req *pb.EncodeBlobRequest)
 
 	var chunksData [][]byte
 
+	var format pb.ChunkEncodingFormat
+	if s.config.EnableGnarkChunkEncoding {
+		format = pb.ChunkEncodingFormat_GNARK
+	} else {
+		format = pb.ChunkEncodingFormat_GOB
+	}
+
 	for _, chunk := range chunks {
-		chunkSerialized, err := chunk.Serialize()
+		var chunkSerialized []byte
+		if s.config.EnableGnarkChunkEncoding {
+			chunkSerialized, err = chunk.SerializeGnark()
+		} else {
+			chunkSerialized, err = chunk.Serialize()
+		}
 		if err != nil {
 			return nil, err
 		}
@@ -135,7 +147,8 @@ func (s *Server) handleEncoding(ctx context.Context, req *pb.EncodeBlobRequest)
 			LengthProof:      lengthProofData,
 			Length:           uint32(commits.Length),
 		},
-		Chunks: chunksData,
+		Chunks:              chunksData,
+		ChunkEncodingFormat: format,
 	}, nil
 }