diff --git a/networks/known_networks.go b/networks/known_networks.go
index b35f04870..2da5ec01a 100644
--- a/networks/known_networks.go
+++ b/networks/known_networks.go
@@ -827,6 +827,34 @@ var (
 		DefaultGasLimit:           6000000,
 	}
 
+	BlastSepolia = blockchain.EVMNetwork{
+		Name:                      "Blast Sepolia",
+		SupportsEIP1559:           true,
+		ClientImplementation:      blockchain.EthereumClientImplementation,
+		ChainID:                   168587773,
+		Simulated:                 false,
+		ChainlinkTransactionLimit: 5000,
+		Timeout:                   blockchain.StrDuration{Duration: 2 * time.Minute},
+		MinimumConfirmations:      1,
+		GasEstimationBuffer:       10000,
+		FinalityTag:               true,
+		DefaultGasLimit:           6000000,
+	}
+
+	BlastMainnet = blockchain.EVMNetwork{
+		Name:                      "Blast Mainnet",
+		SupportsEIP1559:           true,
+		ClientImplementation:      blockchain.EthereumClientImplementation,
+		ChainID:                   81457,
+		Simulated:                 false,
+		ChainlinkTransactionLimit: 5000,
+		Timeout:                   blockchain.StrDuration{Duration: 2 * time.Minute},
+		MinimumConfirmations:      1,
+		GasEstimationBuffer:       10000,
+		FinalityTag:               true,
+		DefaultGasLimit:           6000000,
+	}
+
 	MappedNetworks = map[string]blockchain.EVMNetwork{
 		"SIMULATED":               SimulatedEVM,
 		"SIMULATED_1":             SimulatedEVMNonDev1,
@@ -883,6 +911,8 @@ var (
 		"NEXON_STAGE":           NexonStage,
 		"GNOSIS_CHIADO":         GnosisChiado,
 		"GNOSIS_MAINNET":        GnosisMainnet,
+		"BLAST_SEPOLIA":         BlastSepolia,
+		"BLAST_MAINNET":         BlastMainnet,
 		"MODE_SEPOLIA":          ModeSepolia,
 		"MODE_MAINNET":          ModeMainnet,
 	}