diff --git a/consensus/system_contract/system_contract.go b/consensus/system_contract/system_contract.go
index 8e99c9cfa3d6..a93968e873fc 100644
--- a/consensus/system_contract/system_contract.go
+++ b/consensus/system_contract/system_contract.go
@@ -48,8 +48,9 @@ func New(ctx context.Context, config *params.SystemContractConfig, client sync_s
 	}
 
 	if err := s.fetchAddressFromL1(); err != nil {
-		log.Error("failed to fetch signer address from L1", "err", err)
+		log.Error("Failed to fetch signer address from L1", "err", err)
 	}
+
 	return s
 }
 
@@ -80,7 +81,7 @@ func (s *SystemContract) Start() {
 				return
 			case <-syncTicker.C:
 				if err := s.fetchAddressFromL1(); err != nil {
-					log.Error("failed to fetch signer address from L1", "err", err)
+					log.Error("Failed to fetch signer address from L1", "err", err)
 				}
 			}
 		}
@@ -94,16 +95,24 @@ func (s *SystemContract) fetchAddressFromL1() error {
 	}
 	bAddress := common.BytesToAddress(address)
 
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
 	// Validate the address is not empty
 	if bAddress == (common.Address{}) {
-		return fmt.Errorf("retrieved empty signer address from L1 System Contract: contract=%s, slot=%s", s.config.SystemContractAddress.Hex(), s.config.SystemContractSlot.Hex())
+		log.Debug("Retrieved empty signer address from L1 System Contract", "contract", s.config.SystemContractAddress.Hex(), "slot", s.config.SystemContractSlot.Hex())
+
+		// Not initialized yet -- we don't consider this an error
+		if s.signerAddressL1 == (common.Address{}) {
+			log.Warn("System Contract signer address not initialized")
+			return nil
+		}
+
+		return fmt.Errorf("retrieved empty signer address from L1 System Contract")
 	}
 
 	log.Debug("Read address from system contract", "address", bAddress.Hex())
 
-	s.lock.Lock()
-	defer s.lock.Unlock()
-
 	if s.signerAddressL1 != bAddress {
 		s.signerAddressL1 = bAddress
 		log.Info("Updated new signer from L1 system contract", "signer", bAddress.Hex())
diff --git a/params/config.go b/params/config.go
index 1684a1bc3f8c..d955dd161b0a 100644
--- a/params/config.go
+++ b/params/config.go
@@ -328,20 +328,29 @@ var (
 		CurieBlock:          big.NewInt(4740239),
 		DarwinTime:          newUint64(1723622400),
 		DarwinV2Time:        newUint64(1724832000),
+		EuclidTime:          newUint64(1741680000),
+		EuclidV2Time:        newUint64(1741852800),
 		Clique: &CliqueConfig{
 			Period: 3,
 			Epoch:  30000,
 		},
+		SystemContract: &SystemContractConfig{
+			Period:                3,
+			SystemContractAddress: common.HexToAddress("0xC706Ba9fa4fedF4507CB7A898b4766c1bbf9be57"),
+			SystemContractSlot:    common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000067"),
+		},
 		Scroll: ScrollConfig{
 			UseZktrie:                 true,
 			MaxTxPerBlock:             &ScrollMaxTxPerBlock,
 			MaxTxPayloadBytesPerBlock: &ScrollMaxTxPayloadBytesPerBlock,
 			FeeVaultAddress:           &rcfg.ScrollFeeVaultAddress,
 			L1Config: &L1Config{
-				L1ChainId:             11155111,
-				L1MessageQueueAddress: common.HexToAddress("0xF0B2293F5D834eAe920c6974D50957A1732de763"),
-				NumL1MessagesPerBlock: 10,
-				ScrollChainAddress:    common.HexToAddress("0x2D567EcE699Eabe5afCd141eDB7A4f2D0D6ce8a0"),
+				L1ChainId:                       11155111,
+				L1MessageQueueAddress:           common.HexToAddress("0xF0B2293F5D834eAe920c6974D50957A1732de763"),
+				L1MessageQueueV2Address:         common.HexToAddress("0xA0673eC0A48aa924f067F1274EcD281A10c5f19F"),
+				L1MessageQueueV2DeploymentBlock: 7773746,
+				NumL1MessagesPerBlock:           10,
+				ScrollChainAddress:              common.HexToAddress("0x2D567EcE699Eabe5afCd141eDB7A4f2D0D6ce8a0"),
 			},
 			GenesisStateRoot: &ScrollSepoliaGenesisState,
 		},
@@ -692,8 +701,8 @@ type ScrollConfig struct {
 type L1Config struct {
 	L1ChainId                       uint64         `json:"l1ChainId,string,omitempty"`
 	L1MessageQueueAddress           common.Address `json:"l1MessageQueueAddress,omitempty"`
-	L1MessageQueueV2Address         common.Address `json:"l1MessageQueueV2Address,omitempty"`         // TODO: set address once known
-	L1MessageQueueV2DeploymentBlock uint64         `json:"l1MessageQueueV2DeploymentBlock,omitempty"` // TODO: set block number once known
+	L1MessageQueueV2Address         common.Address `json:"l1MessageQueueV2Address,omitempty"`
+	L1MessageQueueV2DeploymentBlock uint64         `json:"l1MessageQueueV2DeploymentBlock,omitempty"`
 	NumL1MessagesPerBlock           uint64         `json:"numL1MessagesPerBlock,string,omitempty"`
 	ScrollChainAddress              common.Address `json:"scrollChainAddress,omitempty"`
 }
@@ -703,8 +712,8 @@ func (c *L1Config) String() string {
 		return "<nil>"
 	}
 
-	return fmt.Sprintf("{l1ChainId: %v, l1MessageQueueAddress: %v, numL1MessagesPerBlock: %v, ScrollChainAddress: %v}",
-		c.L1ChainId, c.L1MessageQueueAddress.Hex(), c.NumL1MessagesPerBlock, c.ScrollChainAddress.Hex())
+	return fmt.Sprintf("{l1ChainId: %v, l1MessageQueueAddress: %v, l1MessageQueueV2Address: %v, l1MessageQueueV2DeploymentBlock: %v, numL1MessagesPerBlock: %v, ScrollChainAddress: %v}",
+		c.L1ChainId, c.L1MessageQueueAddress.Hex(), c.L1MessageQueueV2Address.Hex(), c.L1MessageQueueV2DeploymentBlock, c.NumL1MessagesPerBlock, c.ScrollChainAddress.Hex())
 }
 
 func (s ScrollConfig) FeeVaultEnabled() bool {
diff --git a/params/version.go b/params/version.go
index 478902b22a49..70874fe4f147 100644
--- a/params/version.go
+++ b/params/version.go
@@ -24,7 +24,7 @@ import (
 const (
 	VersionMajor = 5         // Major version component of the current release
 	VersionMinor = 8         // Minor version component of the current release
-	VersionPatch = 22        // Patch version component of the current release
+	VersionPatch = 23        // Patch version component of the current release
 	VersionMeta  = "mainnet" // Version metadata to append to the version string
 )