diff --git a/go.mod b/go.mod
index ed3594ba5004..da8d806374c7 100644
--- a/go.mod
+++ b/go.mod
@@ -228,7 +228,7 @@ require (
 	rsc.io/tmplfunc v0.0.3 // indirect
 )
 
-replace github.com/ethereum/go-ethereum v1.13.15 => github.com/blockchaindevsh/op-geth v0.0.0-20240711035602-dfbe1492069c
+replace github.com/ethereum/go-ethereum v1.13.15 => github.com/ethstorage/op-geth v0.0.0-20240918005936-a18d1c99aecb
 
 //replace github.com/ethereum/go-ethereum v1.13.9 => ../op-geth
 
diff --git a/go.sum b/go.sum
index 7cd4c72362f4..4c050b77abbf 100644
--- a/go.sum
+++ b/go.sum
@@ -47,8 +47,6 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bits-and-blooms/bitset v1.10.0 h1:ePXTeiPEazB5+opbv5fr8umg2R/1NlzgDsyepwsSr88=
 github.com/bits-and-blooms/bitset v1.10.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
-github.com/blockchaindevsh/op-geth v0.0.0-20240711035602-dfbe1492069c h1:uSibLxYF1JVhapdx6xszr5f/Bzm2RU3l66mag3KdZoY=
-github.com/blockchaindevsh/op-geth v0.0.0-20240711035602-dfbe1492069c/go.mod h1:8tQ6r0e1NNJbSVHzYKafQqf62gV9BzZR+SKkXRckjLM=
 github.com/boltdb/bolt v1.3.1 h1:JQmyP4ZBrce+ZQu0dY660FMfatumYDLun9hBCUVIkF4=
 github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
 github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
@@ -183,6 +181,8 @@ github.com/ethereum/c-kzg-4844 v0.4.0 h1:3MS1s4JtA868KpJxroZoepdV0ZKBp3u/O5HcZ7R
 github.com/ethereum/c-kzg-4844 v0.4.0/go.mod h1:VewdlzQmpT5QSrVhbBuGoCdFJkpaJlO1aQputP83wc0=
 github.com/ethstorage/da-server v0.0.0-20240628094857-ed2ee4ff52d9 h1:yRJRj81rP83R5dZEsYitAFcqRagK/e+UxhiSSK4/Wds=
 github.com/ethstorage/da-server v0.0.0-20240628094857-ed2ee4ff52d9/go.mod h1:YeveZNzQFdseeqS0mQavqfyMI+U9l1GQu0CEwezTZA8=
+github.com/ethstorage/op-geth v0.0.0-20240918005936-a18d1c99aecb h1:f076fgZk2/vUmrpHewhKOJgLXjQqfzsRlU/gKVPiKbg=
+github.com/ethstorage/op-geth v0.0.0-20240918005936-a18d1c99aecb/go.mod h1:8tQ6r0e1NNJbSVHzYKafQqf62gV9BzZR+SKkXRckjLM=
 github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
 github.com/fatih/color v1.15.0 h1:kOqh6YHBtK8aywxGerMG2Eq3H6Qgoqeo13Bk2Mv/nBs=
 github.com/fatih/color v1.15.0/go.mod h1:0h5ZqXfHYED7Bhv2ZJamyIOUej9KtShiJESRwBDUSsw=
diff --git a/op-chain-ops/genesis/config.go b/op-chain-ops/genesis/config.go
index bfc7bb9a08a7..6138b467f135 100644
--- a/op-chain-ops/genesis/config.go
+++ b/op-chain-ops/genesis/config.go
@@ -289,9 +289,10 @@ type DeployConfig struct {
 
 	// UseInterop is a flag that indicates if the system is using interop
 	UseInterop bool `json:"useInterop,omitempty"`
-	// l2 blob related configs
-	EnableL2Blob bool     `json:"enable_l2_blob,omitempty"`
-	DACURLS      []string `json:"dac_urls,omitempty"`
+	// L2GenesisBlobTimeOffset is the number of seconds after genesis block that the L2Blob hard fork activates.
+	// Set it to 0 to activate at genesis. Nil to disable L2Blob.
+	L2GenesisBlobTimeOffset *hexutil.Uint64 `json:"l2GenesisBlobTimeOffset,omitempty"`
+	DACURLS                 []string        `json:"dac_urls,omitempty"`
 
 	// UseSoulGasToken is a flag that indicates if the system is using SoulGasToken
 	UseSoulGasToken bool `json:"useSoulGasToken"`
@@ -612,6 +613,17 @@ func (d *DeployConfig) InteropTime(genesisTime uint64) *uint64 {
 	return &v
 }
 
+func (d *DeployConfig) L2BlobTime(genesisTime uint64) *uint64 {
+	if d.L2GenesisBlobTimeOffset == nil {
+		return nil
+	}
+	v := uint64(0)
+	if offset := *d.L2GenesisBlobTimeOffset; offset > 0 {
+		v = genesisTime + uint64(offset)
+	}
+	return &v
+}
+
 // RollupConfig converts a DeployConfig to a rollup.Config. If Ecotone is active at genesis, the
 // Overhead value is considered a noop.
 func (d *DeployConfig) RollupConfig(l1StartBlock *types.Block, l2GenesisBlockHash common.Hash, l2GenesisBlockNumber uint64) (*rollup.Config, error) {
@@ -631,9 +643,9 @@ func (d *DeployConfig) RollupConfig(l1StartBlock *types.Block, l2GenesisBlockHas
 	}
 
 	var l2BlobConfig *rollup.L2BlobConfig
-	if d.EnableL2Blob {
+	if d.L2GenesisBlobTimeOffset != nil {
 		l2BlobConfig = &rollup.L2BlobConfig{
-			EnableL2Blob: true,
+			L2BlobTime: d.L2BlobTime(l1StartBlock.Time()),
 		}
 		if len(d.DACURLS) > 0 {
 			l2BlobConfig.DACConfig = &rollup.DACConfig{URLS: d.DACURLS}
diff --git a/op-chain-ops/genesis/genesis.go b/op-chain-ops/genesis/genesis.go
index 5b32f561910b..fc5c94387073 100644
--- a/op-chain-ops/genesis/genesis.go
+++ b/op-chain-ops/genesis/genesis.go
@@ -68,11 +68,11 @@ func NewL2Genesis(config *DeployConfig, block *types.Block) (*core.Genesis, erro
 		EcotoneTime:                   config.EcotoneTime(block.Time()),
 		FjordTime:                     config.FjordTime(block.Time()),
 		InteropTime:                   config.InteropTime(block.Time()),
+		L2BlobTime:                    config.L2BlobTime(block.Time()),
 		Optimism: &params.OptimismConfig{
 			EIP1559Denominator:       eip1559Denom,
 			EIP1559Elasticity:        eip1559Elasticity,
 			EIP1559DenominatorCanyon: eip1559DenomCanyon,
-			EnableL2Blob:             config.EnableL2Blob,
 			IsSoulBackedByNative:     config.IsSoulBackedByNative,
 			UseSoulGasToken:          config.UseSoulGasToken,
 		},
diff --git a/op-node/p2p/gossip.go b/op-node/p2p/gossip.go
index 6c6bdd6cf53d..a2f2443bb589 100644
--- a/op-node/p2p/gossip.go
+++ b/op-node/p2p/gossip.go
@@ -313,7 +313,7 @@ func BuildBlocksValidator(log log.Logger, cfg *rollup.Config, runCfg GossipRunti
 		now := uint64(time.Now().Unix())
 
 		// [REJECT] if the `payload.timestamp` is older than 60 seconds in the past
-		if uint64(payload.Timestamp) < now-60 {
+		if uint64(payload.Timestamp) < now-60 || uint64(payload.Timestamp) < cfg.BlockTime /* ensure timestamp>=BlockTime since we'll do subtraction below */ {
 			log.Warn("payload is too old", "timestamp", uint64(payload.Timestamp))
 			return pubsub.ValidationReject
 		}
@@ -362,13 +362,13 @@ func BuildBlocksValidator(log log.Logger, cfg *rollup.Config, runCfg GossipRunti
 
 		if blockVersion.HasBlobProperties() {
 			// [REJECT] if the block is on a topic >= V3 and has a blob gas used value that is not zero
-			if payload.BlobGasUsed == nil || (!cfg.IsL2BlobEnabled() && *payload.BlobGasUsed != 0) {
+			if payload.BlobGasUsed == nil || (!cfg.IsL2Blob(uint64(payload.Timestamp)-cfg.BlockTime) && *payload.BlobGasUsed != 0) {
 				log.Warn("payload is on v3 topic, but has non-zero blob gas used", "bad_hash", payload.BlockHash.String(), "blob_gas_used", payload.BlobGasUsed)
 				return pubsub.ValidationReject
 			}
 
 			// [REJECT] if the block is on a topic >= V3 and has an excess blob gas value that is not zero
-			if payload.ExcessBlobGas == nil || (!cfg.IsL2BlobEnabled() && *payload.ExcessBlobGas != 0) {
+			if payload.ExcessBlobGas == nil || (!cfg.IsL2Blob(uint64(payload.Timestamp)-cfg.BlockTime) && *payload.ExcessBlobGas != 0) {
 				log.Warn("payload is on v3 topic, but has non-zero excess blob gas", "bad_hash", payload.BlockHash.String(), "excess_blob_gas", payload.ExcessBlobGas)
 				return pubsub.ValidationReject
 			}
diff --git a/op-node/rollup/types.go b/op-node/rollup/types.go
index 5d020c94ae38..6f9ebfc171aa 100644
--- a/op-node/rollup/types.go
+++ b/op-node/rollup/types.go
@@ -149,8 +149,8 @@ type Config struct {
 }
 
 type L2BlobConfig struct {
-	DACConfig    *DACConfig `json:"dac_config,omitempty"`
-	EnableL2Blob bool       `json:"enable_l2_blob,omitempty"`
+	DACConfig  *DACConfig `json:"dac_config,omitempty"`
+	L2BlobTime *uint64    `json:"l2BlobTime,omitempty"`
 }
 type DACConfig struct {
 	URLS []string `json:"urls,omitempty"`
@@ -165,8 +165,9 @@ func (dacConfig *DACConfig) Client() DACClient {
 	return client.New(dacConfig.URLS)
 }
 
-func (cfg *Config) IsL2BlobEnabled() bool {
-	return cfg.L2BlobConfig != nil && cfg.L2BlobConfig.EnableL2Blob
+// IsL2Blob returns whether l2 blob is enabled
+func (cfg *Config) IsL2Blob(parentTime uint64) bool {
+	return cfg.L2BlobConfig != nil && *cfg.L2BlobConfig.L2BlobTime <= parentTime
 }
 
 func (cfg *Config) DACConfig() *DACConfig {