diff --git a/genesis/genesis.go b/genesis/genesis.go
index 68933f69..b92a8791 100644
--- a/genesis/genesis.go
+++ b/genesis/genesis.go
@@ -44,17 +44,19 @@ func New(options ...Option) *core.Genesis {
 		Difficulty: big.NewInt(InitDifficulty),
 		Alloc:      make(core.GenesisAlloc),
 		Config: &params.ChainConfig{
-			ChainID:             big.NewInt(10),
-			HomesteadBlock:      big.NewInt(1),
-			ByzantiumBlock:      big.NewInt(1),
-			ConstantinopleBlock: big.NewInt(1),
-			EIP150Block:         big.NewInt(1),
-			EIP155Block:         big.NewInt(1),
-			EIP158Block:         big.NewInt(1),
+			ChainID:              big.NewInt(10),
+			HomesteadBlock:       big.NewInt(0),
+			ByzantiumBlock:       big.NewInt(0),
+			ConstantinopleBlock:  big.NewInt(0),
+			EIP150Block:          big.NewInt(0),
+			EIP155Block:          big.NewInt(0),
+			EIP158Block:          big.NewInt(0),
+			TransactionSizeLimit: 64,
 			Istanbul: &params.IstanbulConfig{
 				ProposerPolicy: uint64(istanbul.DefaultConfig.ProposerPolicy),
 				Epoch:          istanbul.DefaultConfig.Epoch,
 			},
+			IsQuorum: true,
 		},
 		Mixhash: types.IstanbulDigest,
 	}