diff --git a/_data/chains/eip155-22779011.json b/_data/chains/eip155-22779011.json
new file mode 100644
index 000000000000..e86e4494f2c8
--- /dev/null
+++ b/_data/chains/eip155-22779011.json
@@ -0,0 +1,24 @@
+{
+  "name": "MOS CHAIN",
+  "title": "MOS CHAIN TESTNET",
+  "chain": "MOS",
+  "rpc": ["https://rpc.moschain.io"],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "MOS CHAIN",
+    "symbol": "MOS",
+    "decimals": 18
+  },
+  "infoURL": "https://moschain.io/",
+  "shortName": "mostestnet",
+  "chainId": 22779011,
+  "networkId": 22779011,
+  "icon": "mos",
+  "explorers": [
+    {
+      "name": "Explorer website",
+      "url": "https://mosscan.io",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/icons/Mos.json b/_data/icons/Mos.json
new file mode 100644
index 000000000000..68f8f686b35e
--- /dev/null
+++ b/_data/icons/Mos.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://bafkreih4txgnmh4fa4sesghntqpvhmpc4kwetmv2bvgi3ravsvaqh5ehc4",
+    "width": 400,
+    "height": 400,
+    "format": "jpg"
+  }
+]