diff --git a/_data/chains/eip155-57.json b/_data/chains/eip155-57.json
new file mode 100644
index 00000000..3967e8cc
--- /dev/null
+++ b/_data/chains/eip155-57.json
@@ -0,0 +1,26 @@
+{
+  "name": "Syscoin Mainnet",
+  "chain": "SYS",
+  "network": "mainnet",
+  "rpc": [
+    "https://rpc.syscoin.org",
+    "wss://rpc.syscoin.org/wss"
+  ],
+  "faucets": ["https://faucet.syscoin.org"],
+  "nativeCurrency": {
+    "name": "Syscoin",
+    "symbol": "SYS",
+    "decimals": 18
+  },
+  "infoURL": "https://www.syscoin.org",
+  "shortName": "sys",
+  "chainId": 57,
+  "networkId": 57,
+  "explorers": [
+    {
+      "name": "Syscoin Block Explorer",
+      "url": "https://explorer.syscoin.org",
+      "standard": "EIP3091"
+    }
+  ]
+}