diff --git a/_data/chains/eip155-5197.json b/_data/chains/eip155-5197.json
new file mode 100644
index 00000000..828553ab
--- /dev/null
+++ b/_data/chains/eip155-5197.json
@@ -0,0 +1,20 @@
+{
+  "name": "EraSwap Mainnet",
+  "chain": "ESN",
+  "network": "mainnet",
+  "icon": "eraswap",
+  "rpc": [
+    "https://mainnet.eraswap.network",
+    "https://rpc-mumbai.mainnet.eraswap.network"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "EraSwap",
+    "symbol": "ES",
+    "decimals": 18
+  },
+  "infoURL": "https://eraswap.info/",
+  "shortName": "es",
+  "chainId": 5197,
+  "networkId": 5197
+}
diff --git a/_data/icons/eraswap.json b/_data/icons/eraswap.json
new file mode 100644
index 00000000..b5b25d73
--- /dev/null
+++ b/_data/icons/eraswap.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmV1wZ1RVXeD7216aiVBpLkbBBHWNuoTvcSzpVQsqi2uaH",
+    "width": 200,
+    "height": 200,
+    "format": "png"
+  }
+]