diff --git a/api/grpc/node/node.pb.go b/api/grpc/node/node.pb.go
index 5a61d3e79..ab7060c05 100644
--- a/api/grpc/node/node.pb.go
+++ b/api/grpc/node/node.pb.go
@@ -10,6 +10,7 @@ import (
 	common "github.com/Layr-Labs/eigenda/api/grpc/common"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	wrapperspb "google.golang.org/protobuf/types/known/wrapperspb"
 	reflect "reflect"
 	sync "sync"
 )
@@ -21,7 +22,7 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// This describes the chunks returned in RetrieveChunksReply are encoded.
+// This describes how the chunks returned in RetrieveChunksReply are encoded.
 // Used to facilitate the decoding of chunks.
 type ChunkEncoding int32
 
@@ -177,6 +178,217 @@ func (x *StoreChunksReply) GetSignature() []byte {
 	return nil
 }
 
+type StoreBlobsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Blobs to store
+	Blobs []*Blob `protobuf:"bytes,1,rep,name=blobs,proto3" json:"blobs,omitempty"`
+	// The reference block number whose state is used to encode the blobs
+	ReferenceBlockNumber uint32 `protobuf:"varint,2,opt,name=reference_block_number,json=referenceBlockNumber,proto3" json:"reference_block_number,omitempty"`
+}
+
+func (x *StoreBlobsRequest) Reset() {
+	*x = StoreBlobsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_node_node_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StoreBlobsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StoreBlobsRequest) ProtoMessage() {}
+
+func (x *StoreBlobsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_node_node_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use StoreBlobsRequest.ProtoReflect.Descriptor instead.
+func (*StoreBlobsRequest) Descriptor() ([]byte, []int) {
+	return file_node_node_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *StoreBlobsRequest) GetBlobs() []*Blob {
+	if x != nil {
+		return x.Blobs
+	}
+	return nil
+}
+
+func (x *StoreBlobsRequest) GetReferenceBlockNumber() uint32 {
+	if x != nil {
+		return x.ReferenceBlockNumber
+	}
+	return 0
+}
+
+type StoreBlobsReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The operator's BLS sgnature signed on the blob header hashes.
+	// The ordering of the signatures must match the ordering of the blobs sent
+	// in the request, with empty signatures in the places for discarded blobs.
+	Signatures []*wrapperspb.BytesValue `protobuf:"bytes,1,rep,name=signatures,proto3" json:"signatures,omitempty"`
+}
+
+func (x *StoreBlobsReply) Reset() {
+	*x = StoreBlobsReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_node_node_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StoreBlobsReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StoreBlobsReply) ProtoMessage() {}
+
+func (x *StoreBlobsReply) ProtoReflect() protoreflect.Message {
+	mi := &file_node_node_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use StoreBlobsReply.ProtoReflect.Descriptor instead.
+func (*StoreBlobsReply) Descriptor() ([]byte, []int) {
+	return file_node_node_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *StoreBlobsReply) GetSignatures() []*wrapperspb.BytesValue {
+	if x != nil {
+		return x.Signatures
+	}
+	return nil
+}
+
+type AttestBatchRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// header of the batch
+	BatchHeader *BatchHeader `protobuf:"bytes,1,opt,name=batch_header,json=batchHeader,proto3" json:"batch_header,omitempty"`
+	// the header hashes of all blobs in the batch
+	BlobHeaderHashes [][]byte `protobuf:"bytes,2,rep,name=blob_header_hashes,json=blobHeaderHashes,proto3" json:"blob_header_hashes,omitempty"`
+}
+
+func (x *AttestBatchRequest) Reset() {
+	*x = AttestBatchRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_node_node_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AttestBatchRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AttestBatchRequest) ProtoMessage() {}
+
+func (x *AttestBatchRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_node_node_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AttestBatchRequest.ProtoReflect.Descriptor instead.
+func (*AttestBatchRequest) Descriptor() ([]byte, []int) {
+	return file_node_node_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *AttestBatchRequest) GetBatchHeader() *BatchHeader {
+	if x != nil {
+		return x.BatchHeader
+	}
+	return nil
+}
+
+func (x *AttestBatchRequest) GetBlobHeaderHashes() [][]byte {
+	if x != nil {
+		return x.BlobHeaderHashes
+	}
+	return nil
+}
+
+type AttestBatchReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Signature []byte `protobuf:"bytes,1,opt,name=signature,proto3" json:"signature,omitempty"`
+}
+
+func (x *AttestBatchReply) Reset() {
+	*x = AttestBatchReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_node_node_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AttestBatchReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AttestBatchReply) ProtoMessage() {}
+
+func (x *AttestBatchReply) ProtoReflect() protoreflect.Message {
+	mi := &file_node_node_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AttestBatchReply.ProtoReflect.Descriptor instead.
+func (*AttestBatchReply) Descriptor() ([]byte, []int) {
+	return file_node_node_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *AttestBatchReply) GetSignature() []byte {
+	if x != nil {
+		return x.Signature
+	}
+	return nil
+}
+
 type RetrieveChunksRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -198,7 +410,7 @@ type RetrieveChunksRequest struct {
 func (x *RetrieveChunksRequest) Reset() {
 	*x = RetrieveChunksRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_node_node_proto_msgTypes[2]
+		mi := &file_node_node_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -211,7 +423,7 @@ func (x *RetrieveChunksRequest) String() string {
 func (*RetrieveChunksRequest) ProtoMessage() {}
 
 func (x *RetrieveChunksRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_node_node_proto_msgTypes[2]
+	mi := &file_node_node_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -224,7 +436,7 @@ func (x *RetrieveChunksRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RetrieveChunksRequest.ProtoReflect.Descriptor instead.
 func (*RetrieveChunksRequest) Descriptor() ([]byte, []int) {
-	return file_node_node_proto_rawDescGZIP(), []int{2}
+	return file_node_node_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *RetrieveChunksRequest) GetBatchHeaderHash() []byte {
@@ -262,7 +474,7 @@ type RetrieveChunksReply struct {
 func (x *RetrieveChunksReply) Reset() {
 	*x = RetrieveChunksReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_node_node_proto_msgTypes[3]
+		mi := &file_node_node_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -275,7 +487,7 @@ func (x *RetrieveChunksReply) String() string {
 func (*RetrieveChunksReply) ProtoMessage() {}
 
 func (x *RetrieveChunksReply) ProtoReflect() protoreflect.Message {
-	mi := &file_node_node_proto_msgTypes[3]
+	mi := &file_node_node_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -288,7 +500,7 @@ func (x *RetrieveChunksReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RetrieveChunksReply.ProtoReflect.Descriptor instead.
 func (*RetrieveChunksReply) Descriptor() ([]byte, []int) {
-	return file_node_node_proto_rawDescGZIP(), []int{3}
+	return file_node_node_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *RetrieveChunksReply) GetChunks() [][]byte {
@@ -319,7 +531,7 @@ type GetBlobHeaderRequest struct {
 func (x *GetBlobHeaderRequest) Reset() {
 	*x = GetBlobHeaderRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_node_node_proto_msgTypes[4]
+		mi := &file_node_node_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -332,7 +544,7 @@ func (x *GetBlobHeaderRequest) String() string {
 func (*GetBlobHeaderRequest) ProtoMessage() {}
 
 func (x *GetBlobHeaderRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_node_node_proto_msgTypes[4]
+	mi := &file_node_node_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -345,7 +557,7 @@ func (x *GetBlobHeaderRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetBlobHeaderRequest.ProtoReflect.Descriptor instead.
 func (*GetBlobHeaderRequest) Descriptor() ([]byte, []int) {
-	return file_node_node_proto_rawDescGZIP(), []int{4}
+	return file_node_node_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *GetBlobHeaderRequest) GetBatchHeaderHash() []byte {
@@ -385,7 +597,7 @@ type GetBlobHeaderReply struct {
 func (x *GetBlobHeaderReply) Reset() {
 	*x = GetBlobHeaderReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_node_node_proto_msgTypes[5]
+		mi := &file_node_node_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -398,7 +610,7 @@ func (x *GetBlobHeaderReply) String() string {
 func (*GetBlobHeaderReply) ProtoMessage() {}
 
 func (x *GetBlobHeaderReply) ProtoReflect() protoreflect.Message {
-	mi := &file_node_node_proto_msgTypes[5]
+	mi := &file_node_node_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -411,7 +623,7 @@ func (x *GetBlobHeaderReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetBlobHeaderReply.ProtoReflect.Descriptor instead.
 func (*GetBlobHeaderReply) Descriptor() ([]byte, []int) {
-	return file_node_node_proto_rawDescGZIP(), []int{5}
+	return file_node_node_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *GetBlobHeaderReply) GetBlobHeader() *BlobHeader {
@@ -442,7 +654,7 @@ type MerkleProof struct {
 func (x *MerkleProof) Reset() {
 	*x = MerkleProof{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_node_node_proto_msgTypes[6]
+		mi := &file_node_node_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -455,7 +667,7 @@ func (x *MerkleProof) String() string {
 func (*MerkleProof) ProtoMessage() {}
 
 func (x *MerkleProof) ProtoReflect() protoreflect.Message {
-	mi := &file_node_node_proto_msgTypes[6]
+	mi := &file_node_node_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -468,7 +680,7 @@ func (x *MerkleProof) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use MerkleProof.ProtoReflect.Descriptor instead.
 func (*MerkleProof) Descriptor() ([]byte, []int) {
-	return file_node_node_proto_rawDescGZIP(), []int{6}
+	return file_node_node_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *MerkleProof) GetHashes() [][]byte {
@@ -509,7 +721,7 @@ type Blob struct {
 func (x *Blob) Reset() {
 	*x = Blob{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_node_node_proto_msgTypes[7]
+		mi := &file_node_node_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -522,7 +734,7 @@ func (x *Blob) String() string {
 func (*Blob) ProtoMessage() {}
 
 func (x *Blob) ProtoReflect() protoreflect.Message {
-	mi := &file_node_node_proto_msgTypes[7]
+	mi := &file_node_node_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -535,7 +747,7 @@ func (x *Blob) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Blob.ProtoReflect.Descriptor instead.
 func (*Blob) Descriptor() ([]byte, []int) {
-	return file_node_node_proto_rawDescGZIP(), []int{7}
+	return file_node_node_proto_rawDescGZIP(), []int{11}
 }
 
 func (x *Blob) GetHeader() *BlobHeader {
@@ -569,7 +781,7 @@ type Bundle struct {
 func (x *Bundle) Reset() {
 	*x = Bundle{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_node_node_proto_msgTypes[8]
+		mi := &file_node_node_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -582,7 +794,7 @@ func (x *Bundle) String() string {
 func (*Bundle) ProtoMessage() {}
 
 func (x *Bundle) ProtoReflect() protoreflect.Message {
-	mi := &file_node_node_proto_msgTypes[8]
+	mi := &file_node_node_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -595,7 +807,7 @@ func (x *Bundle) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Bundle.ProtoReflect.Descriptor instead.
 func (*Bundle) Descriptor() ([]byte, []int) {
-	return file_node_node_proto_rawDescGZIP(), []int{8}
+	return file_node_node_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *Bundle) GetChunks() [][]byte {
@@ -630,7 +842,7 @@ type G2Commitment struct {
 func (x *G2Commitment) Reset() {
 	*x = G2Commitment{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_node_node_proto_msgTypes[9]
+		mi := &file_node_node_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -643,7 +855,7 @@ func (x *G2Commitment) String() string {
 func (*G2Commitment) ProtoMessage() {}
 
 func (x *G2Commitment) ProtoReflect() protoreflect.Message {
-	mi := &file_node_node_proto_msgTypes[9]
+	mi := &file_node_node_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -656,7 +868,7 @@ func (x *G2Commitment) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use G2Commitment.ProtoReflect.Descriptor instead.
 func (*G2Commitment) Descriptor() ([]byte, []int) {
-	return file_node_node_proto_rawDescGZIP(), []int{9}
+	return file_node_node_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *G2Commitment) GetXA0() []byte {
@@ -707,12 +919,14 @@ type BlobHeader struct {
 	QuorumHeaders []*BlobQuorumInfo `protobuf:"bytes,5,rep,name=quorum_headers,json=quorumHeaders,proto3" json:"quorum_headers,omitempty"`
 	// The ID of the user who is dispersing this blob to EigenDA.
 	AccountId string `protobuf:"bytes,6,opt,name=account_id,json=accountId,proto3" json:"account_id,omitempty"`
+	// The reference block number whose state is used to encode the blob
+	ReferenceBlockNumber uint32 `protobuf:"varint,7,opt,name=reference_block_number,json=referenceBlockNumber,proto3" json:"reference_block_number,omitempty"`
 }
 
 func (x *BlobHeader) Reset() {
 	*x = BlobHeader{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_node_node_proto_msgTypes[10]
+		mi := &file_node_node_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -725,7 +939,7 @@ func (x *BlobHeader) String() string {
 func (*BlobHeader) ProtoMessage() {}
 
 func (x *BlobHeader) ProtoReflect() protoreflect.Message {
-	mi := &file_node_node_proto_msgTypes[10]
+	mi := &file_node_node_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -738,7 +952,7 @@ func (x *BlobHeader) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use BlobHeader.ProtoReflect.Descriptor instead.
 func (*BlobHeader) Descriptor() ([]byte, []int) {
-	return file_node_node_proto_rawDescGZIP(), []int{10}
+	return file_node_node_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *BlobHeader) GetCommitment() *common.G1Commitment {
@@ -783,6 +997,13 @@ func (x *BlobHeader) GetAccountId() string {
 	return ""
 }
 
+func (x *BlobHeader) GetReferenceBlockNumber() uint32 {
+	if x != nil {
+		return x.ReferenceBlockNumber
+	}
+	return 0
+}
+
 // See BlobQuorumParam as defined in
 // api/proto/disperser/disperser.proto
 type BlobQuorumInfo struct {
@@ -800,7 +1021,7 @@ type BlobQuorumInfo struct {
 func (x *BlobQuorumInfo) Reset() {
 	*x = BlobQuorumInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_node_node_proto_msgTypes[11]
+		mi := &file_node_node_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -813,7 +1034,7 @@ func (x *BlobQuorumInfo) String() string {
 func (*BlobQuorumInfo) ProtoMessage() {}
 
 func (x *BlobQuorumInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_node_node_proto_msgTypes[11]
+	mi := &file_node_node_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -826,7 +1047,7 @@ func (x *BlobQuorumInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use BlobQuorumInfo.ProtoReflect.Descriptor instead.
 func (*BlobQuorumInfo) Descriptor() ([]byte, []int) {
-	return file_node_node_proto_rawDescGZIP(), []int{11}
+	return file_node_node_proto_rawDescGZIP(), []int{15}
 }
 
 func (x *BlobQuorumInfo) GetQuorumId() uint32 {
@@ -879,7 +1100,7 @@ type BatchHeader struct {
 func (x *BatchHeader) Reset() {
 	*x = BatchHeader{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_node_node_proto_msgTypes[12]
+		mi := &file_node_node_proto_msgTypes[16]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -892,7 +1113,7 @@ func (x *BatchHeader) String() string {
 func (*BatchHeader) ProtoMessage() {}
 
 func (x *BatchHeader) ProtoReflect() protoreflect.Message {
-	mi := &file_node_node_proto_msgTypes[12]
+	mi := &file_node_node_proto_msgTypes[16]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -905,7 +1126,7 @@ func (x *BatchHeader) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use BatchHeader.ProtoReflect.Descriptor instead.
 func (*BatchHeader) Descriptor() ([]byte, []int) {
-	return file_node_node_proto_rawDescGZIP(), []int{12}
+	return file_node_node_proto_rawDescGZIP(), []int{16}
 }
 
 func (x *BatchHeader) GetBatchRoot() []byte {
@@ -932,7 +1153,7 @@ type NodeInfoRequest struct {
 func (x *NodeInfoRequest) Reset() {
 	*x = NodeInfoRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_node_node_proto_msgTypes[13]
+		mi := &file_node_node_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -945,7 +1166,7 @@ func (x *NodeInfoRequest) String() string {
 func (*NodeInfoRequest) ProtoMessage() {}
 
 func (x *NodeInfoRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_node_node_proto_msgTypes[13]
+	mi := &file_node_node_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -958,7 +1179,7 @@ func (x *NodeInfoRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use NodeInfoRequest.ProtoReflect.Descriptor instead.
 func (*NodeInfoRequest) Descriptor() ([]byte, []int) {
-	return file_node_node_proto_rawDescGZIP(), []int{13}
+	return file_node_node_proto_rawDescGZIP(), []int{17}
 }
 
 // Node info reply
@@ -977,7 +1198,7 @@ type NodeInfoReply struct {
 func (x *NodeInfoReply) Reset() {
 	*x = NodeInfoReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_node_node_proto_msgTypes[14]
+		mi := &file_node_node_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -990,7 +1211,7 @@ func (x *NodeInfoReply) String() string {
 func (*NodeInfoReply) ProtoMessage() {}
 
 func (x *NodeInfoReply) ProtoReflect() protoreflect.Message {
-	mi := &file_node_node_proto_msgTypes[14]
+	mi := &file_node_node_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1003,7 +1224,7 @@ func (x *NodeInfoReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use NodeInfoReply.ProtoReflect.Descriptor instead.
 func (*NodeInfoReply) Descriptor() ([]byte, []int) {
-	return file_node_node_proto_rawDescGZIP(), []int{14}
+	return file_node_node_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *NodeInfoReply) GetSemver() string {
@@ -1045,7 +1266,9 @@ var File_node_node_proto protoreflect.FileDescriptor
 
 var file_node_node_proto_rawDesc = []byte{
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 }
 
 var (
@@ -1198,53 +1455,65 @@ func file_node_node_proto_rawDescGZIP() []byte {
 }
 
 var file_node_node_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_node_node_proto_msgTypes = make([]protoimpl.MessageInfo, 15)
+var file_node_node_proto_msgTypes = make([]protoimpl.MessageInfo, 19)
 var file_node_node_proto_goTypes = []interface{}{
 	(ChunkEncoding)(0),            // 0: node.ChunkEncoding
 	(*StoreChunksRequest)(nil),    // 1: node.StoreChunksRequest
 	(*StoreChunksReply)(nil),      // 2: node.StoreChunksReply
-	(*RetrieveChunksRequest)(nil), // 3: node.RetrieveChunksRequest
-	(*RetrieveChunksReply)(nil),   // 4: node.RetrieveChunksReply
-	(*GetBlobHeaderRequest)(nil),  // 5: node.GetBlobHeaderRequest
-	(*GetBlobHeaderReply)(nil),    // 6: node.GetBlobHeaderReply
-	(*MerkleProof)(nil),           // 7: node.MerkleProof
-	(*Blob)(nil),                  // 8: node.Blob
-	(*Bundle)(nil),                // 9: node.Bundle
-	(*G2Commitment)(nil),          // 10: node.G2Commitment
-	(*BlobHeader)(nil),            // 11: node.BlobHeader
-	(*BlobQuorumInfo)(nil),        // 12: node.BlobQuorumInfo
-	(*BatchHeader)(nil),           // 13: node.BatchHeader
-	(*NodeInfoRequest)(nil),       // 14: node.NodeInfoRequest
-	(*NodeInfoReply)(nil),         // 15: node.NodeInfoReply
-	(*common.G1Commitment)(nil),   // 16: common.G1Commitment
+	(*StoreBlobsRequest)(nil),     // 3: node.StoreBlobsRequest
+	(*StoreBlobsReply)(nil),       // 4: node.StoreBlobsReply
+	(*AttestBatchRequest)(nil),    // 5: node.AttestBatchRequest
+	(*AttestBatchReply)(nil),      // 6: node.AttestBatchReply
+	(*RetrieveChunksRequest)(nil), // 7: node.RetrieveChunksRequest
+	(*RetrieveChunksReply)(nil),   // 8: node.RetrieveChunksReply
+	(*GetBlobHeaderRequest)(nil),  // 9: node.GetBlobHeaderRequest
+	(*GetBlobHeaderReply)(nil),    // 10: node.GetBlobHeaderReply
+	(*MerkleProof)(nil),           // 11: node.MerkleProof
+	(*Blob)(nil),                  // 12: node.Blob
+	(*Bundle)(nil),                // 13: node.Bundle
+	(*G2Commitment)(nil),          // 14: node.G2Commitment
+	(*BlobHeader)(nil),            // 15: node.BlobHeader
+	(*BlobQuorumInfo)(nil),        // 16: node.BlobQuorumInfo
+	(*BatchHeader)(nil),           // 17: node.BatchHeader
+	(*NodeInfoRequest)(nil),       // 18: node.NodeInfoRequest
+	(*NodeInfoReply)(nil),         // 19: node.NodeInfoReply
+	(*wrapperspb.BytesValue)(nil), // 20: google.protobuf.BytesValue
+	(*common.G1Commitment)(nil),   // 21: common.G1Commitment
 }
 var file_node_node_proto_depIdxs = []int32{
-	13, // 0: node.StoreChunksRequest.batch_header:type_name -> node.BatchHeader
-	8,  // 1: node.StoreChunksRequest.blobs:type_name -> node.Blob
-	0,  // 2: node.RetrieveChunksReply.encoding:type_name -> node.ChunkEncoding
-	11, // 3: node.GetBlobHeaderReply.blob_header:type_name -> node.BlobHeader
-	7,  // 4: node.GetBlobHeaderReply.proof:type_name -> node.MerkleProof
-	11, // 5: node.Blob.header:type_name -> node.BlobHeader
-	9,  // 6: node.Blob.bundles:type_name -> node.Bundle
-	16, // 7: node.BlobHeader.commitment:type_name -> common.G1Commitment
-	10, // 8: node.BlobHeader.length_commitment:type_name -> node.G2Commitment
-	10, // 9: node.BlobHeader.length_proof:type_name -> node.G2Commitment
-	12, // 10: node.BlobHeader.quorum_headers:type_name -> node.BlobQuorumInfo
-	1,  // 11: node.Dispersal.StoreChunks:input_type -> node.StoreChunksRequest
-	14, // 12: node.Dispersal.NodeInfo:input_type -> node.NodeInfoRequest
-	3,  // 13: node.Retrieval.RetrieveChunks:input_type -> node.RetrieveChunksRequest
-	5,  // 14: node.Retrieval.GetBlobHeader:input_type -> node.GetBlobHeaderRequest
-	14, // 15: node.Retrieval.NodeInfo:input_type -> node.NodeInfoRequest
-	2,  // 16: node.Dispersal.StoreChunks:output_type -> node.StoreChunksReply
-	15, // 17: node.Dispersal.NodeInfo:output_type -> node.NodeInfoReply
-	4,  // 18: node.Retrieval.RetrieveChunks:output_type -> node.RetrieveChunksReply
-	6,  // 19: node.Retrieval.GetBlobHeader:output_type -> node.GetBlobHeaderReply
-	15, // 20: node.Retrieval.NodeInfo:output_type -> node.NodeInfoReply
-	16, // [16:21] is the sub-list for method output_type
-	11, // [11:16] is the sub-list for method input_type
-	11, // [11:11] is the sub-list for extension type_name
-	11, // [11:11] is the sub-list for extension extendee
-	0,  // [0:11] is the sub-list for field type_name
+	17, // 0: node.StoreChunksRequest.batch_header:type_name -> node.BatchHeader
+	12, // 1: node.StoreChunksRequest.blobs:type_name -> node.Blob
+	12, // 2: node.StoreBlobsRequest.blobs:type_name -> node.Blob
+	20, // 3: node.StoreBlobsReply.signatures:type_name -> google.protobuf.BytesValue
+	17, // 4: node.AttestBatchRequest.batch_header:type_name -> node.BatchHeader
+	0,  // 5: node.RetrieveChunksReply.encoding:type_name -> node.ChunkEncoding
+	15, // 6: node.GetBlobHeaderReply.blob_header:type_name -> node.BlobHeader
+	11, // 7: node.GetBlobHeaderReply.proof:type_name -> node.MerkleProof
+	15, // 8: node.Blob.header:type_name -> node.BlobHeader
+	13, // 9: node.Blob.bundles:type_name -> node.Bundle
+	21, // 10: node.BlobHeader.commitment:type_name -> common.G1Commitment
+	14, // 11: node.BlobHeader.length_commitment:type_name -> node.G2Commitment
+	14, // 12: node.BlobHeader.length_proof:type_name -> node.G2Commitment
+	16, // 13: node.BlobHeader.quorum_headers:type_name -> node.BlobQuorumInfo
+	1,  // 14: node.Dispersal.StoreChunks:input_type -> node.StoreChunksRequest
+	3,  // 15: node.Dispersal.StoreBlobs:input_type -> node.StoreBlobsRequest
+	5,  // 16: node.Dispersal.AttestBatch:input_type -> node.AttestBatchRequest
+	18, // 17: node.Dispersal.NodeInfo:input_type -> node.NodeInfoRequest
+	7,  // 18: node.Retrieval.RetrieveChunks:input_type -> node.RetrieveChunksRequest
+	9,  // 19: node.Retrieval.GetBlobHeader:input_type -> node.GetBlobHeaderRequest
+	18, // 20: node.Retrieval.NodeInfo:input_type -> node.NodeInfoRequest
+	2,  // 21: node.Dispersal.StoreChunks:output_type -> node.StoreChunksReply
+	4,  // 22: node.Dispersal.StoreBlobs:output_type -> node.StoreBlobsReply
+	6,  // 23: node.Dispersal.AttestBatch:output_type -> node.AttestBatchReply
+	19, // 24: node.Dispersal.NodeInfo:output_type -> node.NodeInfoReply
+	8,  // 25: node.Retrieval.RetrieveChunks:output_type -> node.RetrieveChunksReply
+	10, // 26: node.Retrieval.GetBlobHeader:output_type -> node.GetBlobHeaderReply
+	19, // 27: node.Retrieval.NodeInfo:output_type -> node.NodeInfoReply
+	21, // [21:28] is the sub-list for method output_type
+	14, // [14:21] is the sub-list for method input_type
+	14, // [14:14] is the sub-list for extension type_name
+	14, // [14:14] is the sub-list for extension extendee
+	0,  // [0:14] is the sub-list for field type_name
 }
 
 func init() { file_node_node_proto_init() }
@@ -1278,7 +1547,7 @@ func file_node_node_proto_init() {
 			}
 		}
 		file_node_node_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RetrieveChunksRequest); i {
+			switch v := v.(*StoreBlobsRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1290,7 +1559,7 @@ func file_node_node_proto_init() {
 			}
 		}
 		file_node_node_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RetrieveChunksReply); i {
+			switch v := v.(*StoreBlobsReply); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1302,7 +1571,7 @@ func file_node_node_proto_init() {
 			}
 		}
 		file_node_node_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetBlobHeaderRequest); i {
+			switch v := v.(*AttestBatchRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1314,7 +1583,7 @@ func file_node_node_proto_init() {
 			}
 		}
 		file_node_node_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetBlobHeaderReply); i {
+			switch v := v.(*AttestBatchReply); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1326,7 +1595,7 @@ func file_node_node_proto_init() {
 			}
 		}
 		file_node_node_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MerkleProof); i {
+			switch v := v.(*RetrieveChunksRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1338,7 +1607,7 @@ func file_node_node_proto_init() {
 			}
 		}
 		file_node_node_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Blob); i {
+			switch v := v.(*RetrieveChunksReply); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1350,7 +1619,7 @@ func file_node_node_proto_init() {
 			}
 		}
 		file_node_node_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Bundle); i {
+			switch v := v.(*GetBlobHeaderRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1362,7 +1631,7 @@ func file_node_node_proto_init() {
 			}
 		}
 		file_node_node_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*G2Commitment); i {
+			switch v := v.(*GetBlobHeaderReply); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1374,7 +1643,7 @@ func file_node_node_proto_init() {
 			}
 		}
 		file_node_node_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*BlobHeader); i {
+			switch v := v.(*MerkleProof); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1386,7 +1655,7 @@ func file_node_node_proto_init() {
 			}
 		}
 		file_node_node_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*BlobQuorumInfo); i {
+			switch v := v.(*Blob); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1398,7 +1667,7 @@ func file_node_node_proto_init() {
 			}
 		}
 		file_node_node_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*BatchHeader); i {
+			switch v := v.(*Bundle); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1410,7 +1679,7 @@ func file_node_node_proto_init() {
 			}
 		}
 		file_node_node_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*NodeInfoRequest); i {
+			switch v := v.(*G2Commitment); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1422,6 +1691,54 @@ func file_node_node_proto_init() {
 			}
 		}
 		file_node_node_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BlobHeader); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_node_node_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BlobQuorumInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_node_node_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BatchHeader); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_node_node_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*NodeInfoRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_node_node_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*NodeInfoReply); i {
 			case 0:
 				return &v.state
@@ -1440,7 +1757,7 @@ func file_node_node_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_node_node_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   15,
+			NumMessages:   19,
 			NumExtensions: 0,
 			NumServices:   2,
 		},
diff --git a/api/grpc/node/node_grpc.pb.go b/api/grpc/node/node_grpc.pb.go
index 456dc6218..28a516cec 100644
--- a/api/grpc/node/node_grpc.pb.go
+++ b/api/grpc/node/node_grpc.pb.go
@@ -20,6 +20,8 @@ const _ = grpc.SupportPackageIsVersion7
 
 const (
 	Dispersal_StoreChunks_FullMethodName = "/node.Dispersal/StoreChunks"
+	Dispersal_StoreBlobs_FullMethodName  = "/node.Dispersal/StoreBlobs"
+	Dispersal_AttestBatch_FullMethodName = "/node.Dispersal/AttestBatch"
 	Dispersal_NodeInfo_FullMethodName    = "/node.Dispersal/NodeInfo"
 )
 
@@ -34,6 +36,13 @@ type DispersalClient interface {
 	// for the protocol-defined length of custody. It will return a signature at the
 	// end to attest to the data in this request it has processed.
 	StoreChunks(ctx context.Context, in *StoreChunksRequest, opts ...grpc.CallOption) (*StoreChunksReply, error)
+	// StoreBlobs is simiar to StoreChunks, but it stores the blobs using a different storage schema
+	// so that the stored blobs can later be aggregated by AttestBatch method to a bigger batch.
+	// StoreBlobs + AttestBatch will eventually replace and deprecate StoreChunks method.
+	StoreBlobs(ctx context.Context, in *StoreBlobsRequest, opts ...grpc.CallOption) (*StoreBlobsReply, error)
+	// AttestBatch is used to aggregate the batches stored by StoreBlobs method to a bigger batch.
+	// It will return a signature at the end to attest to the aggregated batch.
+	AttestBatch(ctx context.Context, in *AttestBatchRequest, opts ...grpc.CallOption) (*AttestBatchReply, error)
 	// Retrieve node info metadata
 	NodeInfo(ctx context.Context, in *NodeInfoRequest, opts ...grpc.CallOption) (*NodeInfoReply, error)
 }
@@ -55,6 +64,24 @@ func (c *dispersalClient) StoreChunks(ctx context.Context, in *StoreChunksReques
 	return out, nil
 }
 
+func (c *dispersalClient) StoreBlobs(ctx context.Context, in *StoreBlobsRequest, opts ...grpc.CallOption) (*StoreBlobsReply, error) {
+	out := new(StoreBlobsReply)
+	err := c.cc.Invoke(ctx, Dispersal_StoreBlobs_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *dispersalClient) AttestBatch(ctx context.Context, in *AttestBatchRequest, opts ...grpc.CallOption) (*AttestBatchReply, error) {
+	out := new(AttestBatchReply)
+	err := c.cc.Invoke(ctx, Dispersal_AttestBatch_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *dispersalClient) NodeInfo(ctx context.Context, in *NodeInfoRequest, opts ...grpc.CallOption) (*NodeInfoReply, error) {
 	out := new(NodeInfoReply)
 	err := c.cc.Invoke(ctx, Dispersal_NodeInfo_FullMethodName, in, out, opts...)
@@ -75,6 +102,13 @@ type DispersalServer interface {
 	// for the protocol-defined length of custody. It will return a signature at the
 	// end to attest to the data in this request it has processed.
 	StoreChunks(context.Context, *StoreChunksRequest) (*StoreChunksReply, error)
+	// StoreBlobs is simiar to StoreChunks, but it stores the blobs using a different storage schema
+	// so that the stored blobs can later be aggregated by AttestBatch method to a bigger batch.
+	// StoreBlobs + AttestBatch will eventually replace and deprecate StoreChunks method.
+	StoreBlobs(context.Context, *StoreBlobsRequest) (*StoreBlobsReply, error)
+	// AttestBatch is used to aggregate the batches stored by StoreBlobs method to a bigger batch.
+	// It will return a signature at the end to attest to the aggregated batch.
+	AttestBatch(context.Context, *AttestBatchRequest) (*AttestBatchReply, error)
 	// Retrieve node info metadata
 	NodeInfo(context.Context, *NodeInfoRequest) (*NodeInfoReply, error)
 	mustEmbedUnimplementedDispersalServer()
@@ -87,6 +121,12 @@ type UnimplementedDispersalServer struct {
 func (UnimplementedDispersalServer) StoreChunks(context.Context, *StoreChunksRequest) (*StoreChunksReply, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method StoreChunks not implemented")
 }
+func (UnimplementedDispersalServer) StoreBlobs(context.Context, *StoreBlobsRequest) (*StoreBlobsReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method StoreBlobs not implemented")
+}
+func (UnimplementedDispersalServer) AttestBatch(context.Context, *AttestBatchRequest) (*AttestBatchReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method AttestBatch not implemented")
+}
 func (UnimplementedDispersalServer) NodeInfo(context.Context, *NodeInfoRequest) (*NodeInfoReply, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method NodeInfo not implemented")
 }
@@ -121,6 +161,42 @@ func _Dispersal_StoreChunks_Handler(srv interface{}, ctx context.Context, dec fu
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Dispersal_StoreBlobs_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StoreBlobsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DispersalServer).StoreBlobs(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Dispersal_StoreBlobs_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DispersalServer).StoreBlobs(ctx, req.(*StoreBlobsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Dispersal_AttestBatch_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AttestBatchRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DispersalServer).AttestBatch(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Dispersal_AttestBatch_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DispersalServer).AttestBatch(ctx, req.(*AttestBatchRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Dispersal_NodeInfo_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(NodeInfoRequest)
 	if err := dec(in); err != nil {
@@ -150,6 +226,14 @@ var Dispersal_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "StoreChunks",
 			Handler:    _Dispersal_StoreChunks_Handler,
 		},
+		{
+			MethodName: "StoreBlobs",
+			Handler:    _Dispersal_StoreBlobs_Handler,
+		},
+		{
+			MethodName: "AttestBatch",
+			Handler:    _Dispersal_AttestBatch_Handler,
+		},
 		{
 			MethodName: "NodeInfo",
 			Handler:    _Dispersal_NodeInfo_Handler,
diff --git a/api/proto/node/node.proto b/api/proto/node/node.proto
index 932135caf..a9f4afb4d 100644
--- a/api/proto/node/node.proto
+++ b/api/proto/node/node.proto
@@ -1,5 +1,6 @@
 syntax = "proto3";
 package node;
+import "google/protobuf/wrappers.proto";
 import "common/common.proto";
 option go_package = "github.com/Layr-Labs/eigenda/api/grpc/node";
 
@@ -14,6 +15,13 @@ service Dispersal {
 	// for the protocol-defined length of custody. It will return a signature at the
 	// end to attest to the data in this request it has processed.
 	rpc StoreChunks(StoreChunksRequest) returns (StoreChunksReply) {}
+	// StoreBlobs is simiar to StoreChunks, but it stores the blobs using a different storage schema
+	// so that the stored blobs can later be aggregated by AttestBatch method to a bigger batch.
+	// StoreBlobs + AttestBatch will eventually replace and deprecate StoreChunks method.
+	rpc StoreBlobs(StoreBlobsRequest) returns (StoreBlobsReply) {}
+	// AttestBatch is used to aggregate the batches stored by StoreBlobs method to a bigger batch.
+	// It will return a signature at the end to attest to the aggregated batch.
+	rpc AttestBatch(AttestBatchRequest) returns (AttestBatchReply) {}
 	// Retrieve node info metadata
 	rpc NodeInfo(NodeInfoRequest) returns (NodeInfoReply) {}
 }
@@ -41,6 +49,31 @@ message StoreChunksReply {
 	bytes signature = 1;
 }
 
+message StoreBlobsRequest {
+	// Blobs to store
+	repeated Blob blobs = 1;
+	// The reference block number whose state is used to encode the blobs
+	uint32 reference_block_number = 2;
+}
+
+message StoreBlobsReply {
+	// The operator's BLS sgnature signed on the blob header hashes.
+	// The ordering of the signatures must match the ordering of the blobs sent 
+	// in the request, with empty signatures in the places for discarded blobs.
+	repeated google.protobuf.BytesValue signatures = 1;
+}
+
+message AttestBatchRequest {
+	// header of the batch
+	BatchHeader batch_header = 1;
+	// the header hashes of all blobs in the batch
+	repeated bytes blob_header_hashes = 2;
+}
+
+message AttestBatchReply {
+	bytes signature = 1;
+}
+
 message RetrieveChunksRequest {
 	// The hash of the ReducedBatchHeader defined onchain, see:
 	// https://github.com/Layr-Labs/eigenda/blob/master/contracts/src/interfaces/IEigenDAServiceManager.sol#L43
@@ -149,6 +182,8 @@ message BlobHeader {
 	repeated BlobQuorumInfo quorum_headers = 5;
 	// The ID of the user who is dispersing this blob to EigenDA.
 	string account_id = 6;
+	// The reference block number whose state is used to encode the blob
+	uint32 reference_block_number = 7;
 }
 
 // See BlobQuorumParam as defined in
diff --git a/node/grpc/server.go b/node/grpc/server.go
index 598386f9f..01f82cdea 100644
--- a/node/grpc/server.go
+++ b/node/grpc/server.go
@@ -249,6 +249,14 @@ func (s *Server) StoreChunks(ctx context.Context, in *pb.StoreChunksRequest) (*p
 	return reply, err
 }
 
+func (s *Server) StoreBlobs(ctx context.Context, in *pb.StoreBlobsRequest) (*pb.StoreBlobsReply, error) {
+	return nil, errors.New("StoreBlobs is not implemented")
+}
+
+func (s *Server) AttestBatch(ctx context.Context, in *pb.AttestBatchRequest) (*pb.AttestBatchReply, error) {
+	return nil, errors.New("AttestBatch is not implemented")
+}
+
 func (s *Server) RetrieveChunks(ctx context.Context, in *pb.RetrieveChunksRequest) (*pb.RetrieveChunksReply, error) {
 	start := time.Now()
 
diff --git a/node/grpc/server_test.go b/node/grpc/server_test.go
index 84623ec94..2285e581d 100644
--- a/node/grpc/server_test.go
+++ b/node/grpc/server_test.go
@@ -340,6 +340,36 @@ func TestStoreChunksRequestValidation(t *testing.T) {
 	assert.True(t, strings.Contains(err.Error(), "adversary threshold equals 0"))
 }
 
+func TestStoreBlobs(t *testing.T) {
+	server := newTestServer(t, true)
+
+	reqToCopy, _, _, _, _ := makeStoreChunksRequest(t, 66, 33)
+	reqToCopy.BatchHeader = nil
+	req := &pb.StoreBlobsRequest{
+		Blobs:                reqToCopy.Blobs,
+		ReferenceBlockNumber: 1,
+	}
+	reply, err := server.StoreBlobs(context.Background(), req)
+	assert.Nil(t, reply)
+	assert.Error(t, err)
+	assert.Equal(t, strings.Compare(err.Error(), "StoreBlobs is not implemented"), 0)
+}
+
+func TestAttestBatch(t *testing.T) {
+	server := newTestServer(t, true)
+
+	reqToCopy, _, _, _, _ := makeStoreChunksRequest(t, 66, 33)
+	reqToCopy.BatchHeader = nil
+	req := &pb.AttestBatchRequest{
+		BatchHeader:      reqToCopy.BatchHeader,
+		BlobHeaderHashes: [][]byte{},
+	}
+	reply, err := server.AttestBatch(context.Background(), req)
+	assert.Nil(t, reply)
+	assert.Error(t, err)
+	assert.Equal(t, strings.Compare(err.Error(), "AttestBatch is not implemented"), 0)
+}
+
 func TestRetrieveChunks(t *testing.T) {
 	server := newTestServer(t, true)
 	batchHeaderHash, _, _, _ := storeChunks(t, server)