diff --git a/internal/chains/explorer_api_test.go b/internal/chains/explorer_api_test.go
index 1adac0d..b93ba7c 100644
--- a/internal/chains/explorer_api_test.go
+++ b/internal/chains/explorer_api_test.go
@@ -38,10 +38,14 @@ func TestExplorer(t *testing.T) {
 		"arbitrum": "0x1a3b50Bd09594f96dDC192396CE41256EBe0726e",
 		// https://goerli.arbiscan.io/contractsVerified
 		"arbitrum-goerli": "0x1d6032b5e4044d1F870D65f56C067d3D79CbE35d",
+		// https://sepolia.arbiscan.io/contractsVerified
+		"arbitrum-sepolia": "0x93625761A4F4aEee36B06053989095E6EBb1aE08",
 		// https://optimistic.etherscan.io/contractsVerified
 		"op": "0xb54b6262407DB03Be70B6e697DE8F880c94a1461",
 		// https://goerli-optimism.etherscan.io/contractsVerified
 		"op-goerli": "0x98108048528e45f621ad024a1a36f572fcbc64cb",
+		// https://sepolia-optimism.etherscan.io/contractsVerified
+		"op-sepolia": "0xa44040fe7dc1ef251955e922bce6e90277167723",
 		// https://bscscan.com/contractsVerified
 		"bsc": "0xFf179bea631ef161aACe1E0764e7587c0541a566",
 		// https://testnet.bscscan.com/contractsVerified
@@ -54,10 +58,14 @@ func TestExplorer(t *testing.T) {
 		"base": "0x7485d64788a1e8609199ff1d06f7075c56f9f22d",
 		// https://goerli.basescan.org/contractsVerified
 		"base-goerli": "0x87f0E0922207C3F1b88df4a78b8e3bd83C7C7A1F",
+		// https://sepolia.basescan.org/contractsVerified
+		"base-sepoli": "0xe953c66ff9e959063af055332dbc4720c615150d",
 		// https://explorer.metis.io/contractsverified
 		"metis": "0xEA32A96608495e54156Ae48931A7c20f0dcc1a21",
 		// https://goerli.explorer.metisdevops.link/verified-contracts
 		"metis-goerli": "0xfAf6E5c9463334D154f39596764493576187a5d2",
+		// https://sepolia.explorer.metisdevops.link/verified-contracts
+		"metis-sepolia": "0x0BA17BD532f84Ecf7896Bd4FE7c1de21c62660B9",
 	}
 
 	var validIt = func(item *Chain) error {
diff --git a/internal/chains/list.go b/internal/chains/list.go
index f4167df..e254728 100644
--- a/internal/chains/list.go
+++ b/internal/chains/list.go
@@ -3,20 +3,20 @@ package chains
 var Buintin = []*Chain{
 	local,
 	eth,
-	ethGoerli,
 	ethSepolia,
 	ethHolesky,
 	arbitrum,
-	arbitrumGoerli,
+	arbitrumSepolia,
 	opMainnet,
-	opGoerli,
+	opSepolia,
 	bscMainnet,
 	bscTestnet,
 	polygon,
 	polygonMubai,
 	base,
-	baseGoerli,
+	baseSepolia,
 	metis,
+	metisSepolia,
 }
 
 var local = &Chain{
@@ -33,14 +33,6 @@ var eth = &Chain{
 	Alias:    []string{"eth-mainnet", "mainnet"},
 }
 
-var ethGoerli = &Chain{
-	Name:     "goerli",
-	Id:       5,
-	Endpoint: "https://ethereum-goerli.publicnode.com",
-	Explorer: "https://api-goerli.etherscan.io/api",
-	Alias:    []string{"eth-goerli"},
-}
-
 var ethSepolia = &Chain{
 	Name:     "sepolia",
 	Id:       11155111,
@@ -65,14 +57,14 @@ var arbitrum = &Chain{
 	Alias:    []string{"arbi", "arbitrum-one"},
 }
 
-var arbitrumGoerli = &Chain{
-	Name:     "arbitrum-goerli",
-	Id:       421613,
-	Endpoint: "https://goerli-rollup.arbitrum.io/rpc",
-	Explorer: "https://api-goerli.arbiscan.io/api",
-	Alias:    []string{"arbi-goerli"},
+var arbitrumSepolia = &Chain{
+	Name:     "arbitrum-sepolia",
+	Id:       421614,
+	Endpoint: "https://sepolia-rollup.arbitrum.io/rpc",
+	Explorer: "https://api-sepolia.arbiscan.io/api",
 }
 
+// https://docs.optimism.io/chain/networks
 var opMainnet = &Chain{
 	Name:     "op",
 	Id:       10,
@@ -81,11 +73,11 @@ var opMainnet = &Chain{
 	Alias:    []string{"optimistic"},
 }
 
-var opGoerli = &Chain{
-	Name:     "op-goerli",
-	Id:       420,
-	Endpoint: "https://goerli.optimism.io",
-	Explorer: "https://api-goerli-optimism.etherscan.io/api",
+var opSepolia = &Chain{
+	Name:     "op-sepolia",
+	Id:       11155420,
+	Endpoint: "https://sepolia.optimism.io",
+	Explorer: "https://api-sepolia-optimism.etherscan.io/api",
 }
 
 var bscMainnet = &Chain{
@@ -117,6 +109,7 @@ var polygonMubai = &Chain{
 	Explorer: "https://api-testnet.polygonscan.com/api",
 }
 
+// https://docs.base.org/network-information/
 var base = &Chain{
 	Name:     "base",
 	Id:       8453,
@@ -124,11 +117,11 @@ var base = &Chain{
 	Explorer: "https://api.basescan.org/api",
 }
 
-var baseGoerli = &Chain{
-	Name:     "base-goerli",
-	Id:       84531,
-	Endpoint: "https://goerli.base.org",
-	Explorer: "https://api-goerli.basescan.org/api",
+var baseSepolia = &Chain{
+	Name:     "base-sepolia",
+	Id:       84532,
+	Endpoint: "https://sepolia.base.org",
+	Explorer: "https://api-sepolia.basescan.org/api",
 }
 
 var metis = &Chain{
@@ -138,3 +131,10 @@ var metis = &Chain{
 	Explorer: "https://api.routescan.io/v2/network/mainnet/evm/1088/etherscan/api",
 	Alias:    []string{"andromeda"},
 }
+
+var metisSepolia = &Chain{
+	Name:     "metis-sepolia",
+	Id:       59901,
+	Endpoint: "https://sepolia.rpc.metisdevops.link",
+	Explorer: "https://sepolia.explorer.metisdevops.link/api",
+}