diff --git a/_data/chains/eip155-16000.json b/_data/chains/eip155-16000.json
new file mode 100644
index 00000000..3dfb4573
--- /dev/null
+++ b/_data/chains/eip155-16000.json
@@ -0,0 +1,19 @@
+{
+    "name": "MetaDot Mainnet",
+    "chain": "MTT",
+    "network": "mainnet",
+    "rpc": [
+      "https://mainnet.metadot.network"
+    ],
+    "faucets": [],
+    "nativeCurrency": {
+      "name": "MetaDot Token",
+      "symbol": "MTT",
+      "decimals": 18
+    },
+    "infoURL": "https://metadot.network",
+    "shortName": "mtt",
+    "chainId": 16000,
+    "networkId": 16000
+  }
+  
\ No newline at end of file
diff --git a/_data/chains/eip155-16001.json b/_data/chains/eip155-16001.json
new file mode 100644
index 00000000..451d4598
--- /dev/null
+++ b/_data/chains/eip155-16001.json
@@ -0,0 +1,21 @@
+{
+    "name": "MetaDot Testnet",
+    "chain": "MTTTest",
+    "network": "devnet",
+    "rpc": [
+      "https://testnet.metadot.network"
+    ],
+    "faucets": [
+      "https://faucet.metadot.network/"
+    ],
+    "nativeCurrency": {
+      "name": "MetaDot Token TestNet",
+      "symbol": "MTT-test",
+      "decimals": 18
+    },
+    "infoURL": "https://metadot.network",
+    "shortName": "mtttest",
+    "chainId": 16001,
+    "networkId": 16001
+  }
+