diff --git a/_data/chains/eip155-18083.json b/_data/chains/eip155-18083.json
new file mode 100644
index 000000000000..243ac82f16cc
--- /dev/null
+++ b/_data/chains/eip155-18083.json
@@ -0,0 +1,28 @@
+{
+  "name": "Inclusive layer Testnet",
+  "title": "Inclusive layer Testnet",
+  "chain": "Inclusive layer Testnet",
+  "rpc": [
+    "https://rpc.inclusive-layer-test.t.raas.gelato.cloud",
+    "wss://ws.inclusive-layer-test.t.raas.gelato.cloud"
+  ],
+  "nativeCurrency": {
+    "name": "Ether",
+    "symbol": "ETH",
+    "decimals": 18
+  },
+  "icon": "inclusive-layer-testnet",
+  "infoURL": "https://raas.gelato.network/rollups/details/public/inclusive-layer-test",
+  "faucets": ["https://faucet.inclusive-layer-test.t.raas.gelato.cloud"],
+  "shortName": "inclusive-layer-testnet",
+  "chainId": 18083,
+  "networkId": 18083,
+  "explorers": [
+    {
+      "name": "blockscout",
+      "url": "https://inclusive-layer-test.cloud.blockscout.com",
+      "icon": "blockscout",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/chains/eip155-9899.json b/_data/chains/eip155-9899.json
new file mode 100644
index 000000000000..1b68ddf46ad3
--- /dev/null
+++ b/_data/chains/eip155-9899.json
@@ -0,0 +1,25 @@
+{
+  "name": "arena-Z-testnet-3",
+  "title": "Arena-Z-Testnet-3",
+  "chain": "arena-Z-testnet-3",
+  "rpc": ["https://testnet-rpc.arena-z.gg", "wss://testnet-ws.arena-z.gg"],
+  "nativeCurrency": {
+    "name": "Ether",
+    "symbol": "ETH",
+    "decimals": 18
+  },
+  "icon": "arena-z",
+  "infoURL": "https://raas.gelato.network/rollups/details/public/arena-z-testnet-3",
+  "faucets": ["https://testnet-faucet.arena-z.gg"],
+  "shortName": "arena-z-testnet-3",
+  "chainId": 9899,
+  "networkId": 9899,
+  "explorers": [
+    {
+      "name": "blockscout",
+      "url": "https://testnet-explorer.arena-z.gg",
+      "icon": "blockscout",
+      "standard": "EIP3091"
+    }
+  ]
+}