diff --git a/disperser/batcher/finalizer.go b/disperser/batcher/finalizer.go
index 77891fa9fd..37ca5d719f 100644
--- a/disperser/batcher/finalizer.go
+++ b/disperser/batcher/finalizer.go
@@ -100,10 +100,10 @@ func (f *finalizer) FinalizeBlobs(ctx context.Context) error {
 		if err != nil {
 			return fmt.Errorf("FinalizeBlobs: error getting blob headers: %w", err)
 		}
-		metadatas := metadatas
-		f.logger.Info("FinalizeBlobs: finalizing blobs", "numBlobs", len(metadatas), "finalizedBlockNumber", lastFinalBlock)
+		metas := metadatas
+		f.logger.Info("FinalizeBlobs: finalizing blobs", "numBlobs", len(metas), "finalizedBlockNumber", lastFinalBlock)
 		pool.Submit(func() {
-			f.updateBlobs(ctx, metadatas, lastFinalBlock)
+			f.updateBlobs(ctx, metas, lastFinalBlock)
 		})
 		totalProcessed += len(metadatas)
 
diff --git a/disperser/common/inmem/store.go b/disperser/common/inmem/store.go
index 880f85c00b..207becd77b 100644
--- a/disperser/common/inmem/store.go
+++ b/disperser/common/inmem/store.go
@@ -6,6 +6,7 @@ import (
 	"encoding/hex"
 	"sort"
 	"strconv"
+	"sync"
 
 	"github.com/Layr-Labs/eigenda/core"
 	"github.com/Layr-Labs/eigenda/disperser"
@@ -13,6 +14,7 @@ import (
 
 // BlobStore is an in-memory implementation of the BlobStore interface
 type BlobStore struct {
+	mu       sync.RWMutex
 	Blobs    map[disperser.BlobHash]*BlobHolder
 	Metadata map[disperser.BlobKey]*disperser.BlobMetadata
 }
@@ -33,6 +35,8 @@ func NewBlobStore() disperser.BlobStore {
 }
 
 func (q *BlobStore) StoreBlob(ctx context.Context, blob *core.Blob, requestedAt uint64) (disperser.BlobKey, error) {
+	q.mu.Lock()
+	defer q.mu.Unlock()
 	blobKey := disperser.BlobKey{}
 	// Generate the blob key
 	blobHash, err := q.getNewBlobHash()
@@ -63,6 +67,8 @@ func (q *BlobStore) StoreBlob(ctx context.Context, blob *core.Blob, requestedAt
 }
 
 func (q *BlobStore) GetBlobContent(ctx context.Context, blobHash disperser.BlobHash) ([]byte, error) {
+	q.mu.RLock()
+	defer q.mu.RUnlock()
 	if holder, ok := q.Blobs[blobHash]; ok {
 		return holder.Data, nil
 	} else {
@@ -71,6 +77,8 @@ func (q *BlobStore) GetBlobContent(ctx context.Context, blobHash disperser.BlobH
 }
 
 func (q *BlobStore) MarkBlobConfirmed(ctx context.Context, existingMetadata *disperser.BlobMetadata, confirmationInfo *disperser.ConfirmationInfo) (*disperser.BlobMetadata, error) {
+	q.mu.Lock()
+	defer q.mu.Unlock()
 	// TODO (ian-shim): remove this check once we are sure that the metadata is never overwritten
 	refreshedMetadata, err := q.GetBlobMetadata(ctx, existingMetadata.GetBlobKey())
 	if err != nil {
@@ -92,6 +100,8 @@ func (q *BlobStore) MarkBlobConfirmed(ctx context.Context, existingMetadata *dis
 }
 
 func (q *BlobStore) MarkBlobInsufficientSignatures(ctx context.Context, existingMetadata *disperser.BlobMetadata, confirmationInfo *disperser.ConfirmationInfo) (*disperser.BlobMetadata, error) {
+	q.mu.Lock()
+	defer q.mu.Unlock()
 	blobKey := existingMetadata.GetBlobKey()
 	if _, ok := q.Metadata[blobKey]; !ok {
 		return nil, disperser.ErrBlobNotFound
@@ -104,6 +114,8 @@ func (q *BlobStore) MarkBlobInsufficientSignatures(ctx context.Context, existing
 }
 
 func (q *BlobStore) MarkBlobFinalized(ctx context.Context, blobKey disperser.BlobKey) error {
+	q.mu.Lock()
+	defer q.mu.Unlock()
 	if _, ok := q.Metadata[blobKey]; !ok {
 		return disperser.ErrBlobNotFound
 	}
@@ -113,6 +125,8 @@ func (q *BlobStore) MarkBlobFinalized(ctx context.Context, blobKey disperser.Blo
 }
 
 func (q *BlobStore) MarkBlobProcessing(ctx context.Context, blobKey disperser.BlobKey) error {
+	q.mu.Lock()
+	defer q.mu.Unlock()
 	if _, ok := q.Metadata[blobKey]; !ok {
 		return disperser.ErrBlobNotFound
 	}
@@ -122,6 +136,8 @@ func (q *BlobStore) MarkBlobProcessing(ctx context.Context, blobKey disperser.Bl
 }
 
 func (q *BlobStore) MarkBlobFailed(ctx context.Context, blobKey disperser.BlobKey) error {
+	q.mu.Lock()
+	defer q.mu.Unlock()
 	if _, ok := q.Metadata[blobKey]; !ok {
 		return disperser.ErrBlobNotFound
 	}
@@ -131,6 +147,8 @@ func (q *BlobStore) MarkBlobFailed(ctx context.Context, blobKey disperser.BlobKe
 }
 
 func (q *BlobStore) IncrementBlobRetryCount(ctx context.Context, existingMetadata *disperser.BlobMetadata) error {
+	q.mu.Lock()
+	defer q.mu.Unlock()
 	if _, ok := q.Metadata[existingMetadata.GetBlobKey()]; !ok {
 		return disperser.ErrBlobNotFound
 	}
@@ -140,6 +158,8 @@ func (q *BlobStore) IncrementBlobRetryCount(ctx context.Context, existingMetadat
 }
 
 func (q *BlobStore) GetBlobsByMetadata(ctx context.Context, metadata []*disperser.BlobMetadata) (map[disperser.BlobKey]*core.Blob, error) {
+	q.mu.RLock()
+	defer q.mu.RUnlock()
 	blobs := make(map[disperser.BlobKey]*core.Blob)
 	for _, meta := range metadata {
 		if holder, ok := q.Blobs[meta.BlobHash]; ok {
@@ -155,6 +175,8 @@ func (q *BlobStore) GetBlobsByMetadata(ctx context.Context, metadata []*disperse
 }
 
 func (q *BlobStore) GetBlobMetadataByStatus(ctx context.Context, status disperser.BlobStatus) ([]*disperser.BlobMetadata, error) {
+	q.mu.RLock()
+	defer q.mu.RUnlock()
 	metas := make([]*disperser.BlobMetadata, 0)
 	for _, meta := range q.Metadata {
 		if meta.BlobStatus == status {
@@ -165,6 +187,8 @@ func (q *BlobStore) GetBlobMetadataByStatus(ctx context.Context, status disperse
 }
 
 func (q *BlobStore) GetBlobMetadataByStatusWithPagination(ctx context.Context, status disperser.BlobStatus, limit int32, exclusiveStartKey *disperser.BlobStoreExclusiveStartKey) ([]*disperser.BlobMetadata, *disperser.BlobStoreExclusiveStartKey, error) {
+	q.mu.RLock()
+	defer q.mu.RUnlock()
 	metas := make([]*disperser.BlobMetadata, 0)
 	foundStart := exclusiveStartKey == nil
 
@@ -206,6 +230,8 @@ func (q *BlobStore) GetBlobMetadataByStatusWithPagination(ctx context.Context, s
 }
 
 func (q *BlobStore) GetMetadataInBatch(ctx context.Context, batchHeaderHash [32]byte, blobIndex uint32) (*disperser.BlobMetadata, error) {
+	q.mu.RLock()
+	defer q.mu.RUnlock()
 	for _, meta := range q.Metadata {
 		if meta.ConfirmationInfo != nil && meta.ConfirmationInfo.BatchHeaderHash == batchHeaderHash && meta.ConfirmationInfo.BlobIndex == blobIndex {
 			return meta, nil
@@ -216,6 +242,8 @@ func (q *BlobStore) GetMetadataInBatch(ctx context.Context, batchHeaderHash [32]
 }
 
 func (q *BlobStore) GetAllBlobMetadataByBatch(ctx context.Context, batchHeaderHash [32]byte) ([]*disperser.BlobMetadata, error) {
+	q.mu.RLock()
+	defer q.mu.RUnlock()
 	metas := make([]*disperser.BlobMetadata, 0)
 	for _, meta := range q.Metadata {
 		if meta.ConfirmationInfo != nil && meta.ConfirmationInfo.BatchHeaderHash == batchHeaderHash {