diff --git a/statediff/builder/builder.go b/statediff/builder/builder.go
index 0745444ff..650833af0 100644
--- a/statediff/builder/builder.go
+++ b/statediff/builder/builder.go
@@ -248,8 +248,10 @@ func (sdb *builder) buildStorageDiffsIncremental(oldSR common.Hash, newSR common
 		if it.Leaf() {
 			log.Debug("Found leaf in storage", "path", pathToStr(it))
 			path := pathToStr(it)
+			storageKey:= hexutil.Encode(it.LeafKey())
 			storageValue := hexutil.Encode(it.LeafBlob())
 			storageDiffs[path] = DiffStorage{
+				Key:   &storageKey,
 				Value: &storageValue,
 			}
 		}
diff --git a/statediff/builder/builder_test.go b/statediff/builder/builder_test.go
index e9cb8caf2..af05d1e37 100644
--- a/statediff/builder/builder_test.go
+++ b/statediff/builder/builder_test.go
@@ -73,6 +73,8 @@ func TestBuilder(t *testing.T) {
 		nonce3                = uint64(3)
 		originalContractRoot  = "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"
 		newContractRoot       = "0x9e676b23802aff85d29b4f0243939bc6ecfdca2a41532310091781854d6ffeb2"
+		storageLocation       = common.HexToHash("2")
+		newStorageKey         = crypto.Keccak256Hash(storageLocation[:]).String()
 		newStorageValue       = "0x03"
 	)
 
@@ -222,6 +224,7 @@ func TestBuilder(t *testing.T) {
 						ContractRoot: b.DiffString{Value: &newContractRoot},
 						Storage: map[string]b.DiffStorage{
 							"0x405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5ace": {
+								Key: &newStorageKey,
 								Value: &newStorageValue},
 						},
 					},
diff --git a/statediff/builder/struct.go b/statediff/builder/struct.go
index 44f7f4f84..e3ad599f1 100644
--- a/statediff/builder/struct.go
+++ b/statediff/builder/struct.go
@@ -64,6 +64,7 @@ type AccountDiff struct {
 }
 
 type DiffStorage struct {
+	Key *string `json:"key" gencodec:"optional"`
 	Value *string `json:"value"  gencodec:"optional"`
 }
 type DiffString struct {
diff --git a/statediff/publisher/csv.go b/statediff/publisher/csv.go
index 4efa76cfe..4054b7b15 100644
--- a/statediff/publisher/csv.go
+++ b/statediff/publisher/csv.go
@@ -14,7 +14,7 @@ var (
 	Headers = []string{
 		"blockNumber", "blockHash", "accountAction", "codeHash",
 		"nonceValue", "balanceValue", "contractRoot", "storageDiffPaths",
-		"accountAddress", "storageValue",
+		"accountAddress", "storageKey", "storageValue",
 	}
 
 	timeStampFormat      = "20060102150405.00000"
@@ -88,7 +88,8 @@ func formatAccountData(accountAddr common.Address, accountDiff builder.AccountDi
 	newContractRoot := accountDiff.ContractRoot.Value
 	address := accountAddr.String()
 	var result [][]string
-	for storagePath, storageValue := range accountDiff.Storage {
+
+	for storagePath, storage := range accountDiff.Storage {
 		formattedAccountData := []string{
 			blockNumberString,
 			blockHash,
@@ -99,7 +100,8 @@ func formatAccountData(accountAddr common.Address, accountDiff builder.AccountDi
 			*newContractRoot,
 			storagePath,
 			address,
-			*storageValue.Value,
+			*storage.Key,
+			*storage.Value,
 		}
 
 		result = append(result, formattedAccountData)
diff --git a/statediff/publisher/publisher_test.go b/statediff/publisher/publisher_test.go
index 215505db3..ad9e29318 100644
--- a/statediff/publisher/publisher_test.go
+++ b/statediff/publisher/publisher_test.go
@@ -35,6 +35,7 @@ var expectedCreatedAccountRow = []string{
 	testhelpers.ContractRoot,
 	testhelpers.StoragePath,
 	testhelpers.ContractAddress,
+	"0000000000000000000000000000000000000000000000000000000000000001",
 	testhelpers.StorageValue,
 }
 
@@ -48,6 +49,7 @@ var expectedUpdatedAccountRow = []string{
 	testhelpers.ContractRoot,
 	testhelpers.StoragePath,
 	testhelpers.ContractAddress,
+	"0000000000000000000000000000000000000000000000000000000000000001",
 	testhelpers.StorageValue,
 }
 
@@ -61,6 +63,7 @@ var expectedDeletedAccountRow = []string{
 	testhelpers.ContractRoot,
 	testhelpers.StoragePath,
 	testhelpers.ContractAddress,
+	"0000000000000000000000000000000000000000000000000000000000000001",
 	testhelpers.StorageValue,
 }
 
diff --git a/statediff/testhelpers/test_data.go b/statediff/testhelpers/test_data.go
index 2dff3c323..cd03e1e67 100644
--- a/statediff/testhelpers/test_data.go
+++ b/statediff/testhelpers/test_data.go
@@ -15,8 +15,12 @@ var (
 	NewBalanceValue     = rand.Int63()
 	ContractRoot        = "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"
 	StoragePath         = "0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"
+	StorageKey        = "0000000000000000000000000000000000000000000000000000000000000001"
 	StorageValue        = "0x03"
-	storage             = map[string]builder.DiffStorage{StoragePath: {Value: &StorageValue}}
+	storage             = map[string]builder.DiffStorage{StoragePath: {
+		Key:   &StorageKey,
+		Value: &StorageValue,
+	}}
 	address             = common.HexToAddress("0xaE9BEa628c4Ce503DcFD7E305CaB4e29E7476592")
 	ContractAddress     = address.String()
 	CreatedAccountDiffs = map[common.Address]builder.AccountDiff{address: {