diff --git a/api/service/staking/service.go b/api/service/staking/service.go
index f4650290b..7d2fc644a 100644
--- a/api/service/staking/service.go
+++ b/api/service/staking/service.go
@@ -2,6 +2,7 @@ package staking
 
 import (
 	"crypto/ecdsa"
+	"fmt"
 	"math/big"
 	"time"
 
@@ -17,6 +18,7 @@ import (
 	"github.com/harmony-one/harmony/core"
 	"github.com/harmony-one/harmony/core/types"
 	"github.com/harmony-one/harmony/internal/utils"
+	contract_constants "github.com/harmony-one/harmony/internal/utils/contract"
 	"github.com/harmony-one/harmony/p2p"
 	"github.com/harmony-one/harmony/p2p/host"
 )
@@ -133,7 +135,7 @@ func (s *Service) getFakeStakingInfo() *proto.StakingContractInfoResponse {
 	balance := big.NewInt(params.Ether)
 	nonce := uint64(0)
 	return &proto.StakingContractInfoResponse{
-		ContractAddress: StakingContractAddress,
+		ContractAddress: fmt.Sprintf("%s", contract_constants.DeployedContractAddress),
 		Balance:         balance.Bytes(),
 		Nonce:           nonce,
 	}
diff --git a/internal/utils/contract/constants.go b/internal/utils/contract/constants.go
index c4b370dba..27f234b84 100644
--- a/internal/utils/contract/constants.go
+++ b/internal/utils/contract/constants.go
@@ -1,5 +1,10 @@
 package contract
 
+import (
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+)
+
 // DeployAccount is the accounts used for development.
 type DeployAccount struct {
 	Address string
@@ -7,9 +12,18 @@ type DeployAccount struct {
 	Public  string
 }
 
+// GenesisBeaconAccount is the account which creates contract account.
+var GenesisBeaconAccount = DeployAccount{
+	Address: "0x4e464afF0aB44780fC9A008AC890047BcbDf376f",
+	Private: "b167c74da42202fc2093f8e2ed8171b4ad67d095595ac655fc56df236cad9714",
+	Public:  "0x4e464afF0aB44780fC9A008AC890047BcbDf376f",
+}
+
+// DeployedContractAddress is the deployed contract address of the staking smart contract in beacon chain.
+var DeployedContractAddress = crypto.CreateAddress(common.HexToAddress(GenesisBeaconAccount.Address), uint64(0))
+
 // FakeAccounts is the accounts only used for development purpose.
 var FakeAccounts = [...]DeployAccount{
-	{Address: "0x4e464afF0aB44780fC9A008AC890047BcbDf376f", Private: "b167c74da42202fc2093f8e2ed8171b4ad67d095595ac655fc56df236cad9714", Public: "0x4e464afF0aB44780fC9A008AC890047BcbDf376f"},
 	{Address: "0xE2bD4413172C98d5094B94de1A8AC6a383d68b84", Private: "e401343197a852f361e38ce6b46c99f1d6d1f80499864c6ae7effee42b46ab6b", Public: "0xE2bD4413172C98d5094B94de1A8AC6a383d68b84"},
 	{Address: "0x183418934Fd8A97c98E086151317B2df6259b8A8", Private: "a7d764439a7619f703c97ee2a2cf0be2cd62ad4c9deebd5423d6f28de417b907", Public: "0x183418934Fd8A97c98E086151317B2df6259b8A8"},
 	{Address: "0x9df0e70D4cb3E9beC0548D8Ac56F46596D1BcdB6", Private: "4e3f7c819a15249d2824834cd7ce20fe24d6eab8eb39ac63b78cb3713362cf78", Public: "0x9df0e70D4cb3E9beC0548D8Ac56F46596D1BcdB6"},