diff --git a/blockchain/block.go b/blockchain/block.go
index 4629799f5..895841e29 100644
--- a/blockchain/block.go
+++ b/blockchain/block.go
@@ -8,6 +8,7 @@ import (
 	"log"
 	"time"
 
+	"github.com/simple-rules/harmony-benchmark/db"
 	"github.com/simple-rules/harmony-benchmark/utils"
 )
 
@@ -69,6 +70,10 @@ func (b *Block) HashTransactions() []byte {
 	return txHash[:]
 }
 
+func (b *Block) Write(db db.Database, key string) error {
+	return db.Put([]byte(key), b.Serialize())
+}
+
 // CalculateBlockHash returns a hash of the block
 func (b *Block) CalculateBlockHash() []byte {
 	var hashes [][]byte
diff --git a/blockchain/block_test.go b/blockchain/block_test.go
index 1e58cb084..7a27a9cdc 100644
--- a/blockchain/block_test.go
+++ b/blockchain/block_test.go
@@ -1,7 +1,7 @@
 package blockchain
 
 import (
-	"bytes"
+	"reflect"
 	"testing"
 )
 
@@ -15,15 +15,7 @@ func TestBlockSerialize(t *testing.T) {
 	serializedValue := block.Serialize()
 	deserializedBlock := DeserializeBlock(serializedValue)
 
-	if block.Timestamp != deserializedBlock.Timestamp {
-		t.Errorf("Serialize or Deserialize incorrect at TimeStamp.")
-	}
-
-	if bytes.Compare(block.PrevBlockHash[:], deserializedBlock.PrevBlockHash[:]) != 0 {
-		t.Errorf("Serialize or Deserialize incorrect at PrevBlockHash.")
-	}
-
-	if bytes.Compare(block.Hash[:], deserializedBlock.Hash[:]) != 0 {
-		t.Errorf("Serialize or Deserialize incorrect at Hash.")
+	if !reflect.DeepEqual(block, deserializedBlock) {
+		t.Errorf("Original block and the deserialized block not equal.")
 	}
 }