diff --git a/_data/chains/eip155-4202.json b/_data/chains/eip155-4202.json
new file mode 100644
index 000000000000..05f068244566
--- /dev/null
+++ b/_data/chains/eip155-4202.json
@@ -0,0 +1,24 @@
+{
+  "name": "Lisk Sepolia Testnet",
+  "chain": "ETH",
+  "rpc": ["https://rpc.sepolia-api.lisk.com"],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Sepolia Ether",
+    "symbol": "ETH",
+    "decimals": 18
+  },
+  "infoURL": "https://lisk.com",
+  "shortName": "lisksep",
+  "chainId": 4202,
+  "networkId": 4202,
+  "slip44": 134,
+  "explorers": [
+    {
+      "name": "liskscout",
+      "url": "https://sepolia-blockscout.lisk.com",
+      "icon": "blockscout",
+      "standard": "EIP3091"
+    }
+  ]
+}