diff --git a/_data/chains/eip155-181228.json b/_data/chains/eip155-181228.json
new file mode 100644
index 000000000000..734a426cf0b5
--- /dev/null
+++ b/_data/chains/eip155-181228.json
@@ -0,0 +1,29 @@
+{
+  "name": "HPP Sepolia Testnet",
+  "chain": "ETH",
+  "icon": "hpp",
+  "rpc": ["https://sepolia.hpp.io"],
+  "faucets": ["https://faucet.conduit.xyz"],
+  "nativeCurrency": {
+    "name": "HPP Ether",
+    "symbol": "ETH",
+    "decimals": 18
+  },
+  "infoURL": "https://www.hpp.io",
+  "shortName": "hpp-sepolia",
+  "chainId": 181228,
+  "networkId": 181228,
+  "explorers": [
+    {
+      "name": "HPP Sepolia Expolorer",
+      "url": "https://sepolia-explorer.hpp.io",
+      "icon": "blockscout",
+      "standard": "EIP3091"
+    }
+  ],
+  "parent": {
+    "type": "L2",
+    "chain": "eip155-11155111",
+    "bridges": [{ "url": "https://bridge.arbitrum.io" }]
+  }
+}
diff --git a/_data/icons/hpp.json b/_data/icons/hpp.json
new file mode 100644
index 000000000000..57619339397b
--- /dev/null
+++ b/_data/icons/hpp.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmX5MTCNX4wKb7B9pK6UH7oHGcWj5m8XywhzXqLA7gtVAJ",
+    "width": 400,
+    "height": 400,
+    "format": "svg"
+  }
+]