diff --git a/_data/chains/eip155-534.json b/_data/chains/eip155-534.json
new file mode 100644
index 00000000..175cb125
--- /dev/null
+++ b/_data/chains/eip155-534.json
@@ -0,0 +1,28 @@
+{
+    "name": "Polygon Mainnet",
+    "chain": "Polygon",
+    "rpc": [
+        "https://polygon-rpc.com/",
+        "https://rpc-mainnet.matic.network",
+        "https://matic-mainnet.chainstacklabs.com",
+        "https://rpc-mainnet.maticvigil.com",
+        "https://rpc-mainnet.matic.quiknode.pro",
+        "https://matic-mainnet-full-rpc.bwarelabs.com"
+    ],
+    "faucets": [],
+    "nativeCurrency": {
+        "name": "MATIC",
+        "symbol": "MATIC",
+        "decimals": 18
+    },
+    "infoURL": "https://polygon.technology/",
+    "shortName": "MATIC",
+    "chainId": 137,
+    "networkId": 137,
+    "slip44": 966,
+    "explorers": [{
+        "name": "polygonscan",
+        "url": "https://polygonscan.com",
+        "standard": "EIP3091"
+    }]
+}