diff --git a/_data/chains/eip155-43521.json b/_data/chains/eip155-43521.json
new file mode 100644
index 000000000000..d3e3fda506bd
--- /dev/null
+++ b/_data/chains/eip155-43521.json
@@ -0,0 +1,34 @@
+{
+  "name": "Formicarium",
+  "title": "MemeCore Testnet Formicarium",
+  "chain": "MemeCore",
+  "icon": "memecore",
+  "rpc": [
+    "https://rpc.formicarium.memecore.net",
+    "wss://ws.formicarium.memecore.net"
+  ],
+  "faucets": ["https://faucet.memecore.com/formicarium"],
+  "nativeCurrency": {
+    "name": "Formicarium M",
+    "symbol": "M",
+    "decimals": 18
+  },
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
+  "infoURL": "https://memecore.com",
+  "shortName": "form",
+  "chainId": 43521,
+  "networkId": 43521,
+  "slip44": 1,
+  "explorers": [
+    {
+      "name": "OKX-Formicarium",
+      "url": "https://www.okx.com/web3/explorer/formicarium-testnet",
+      "standard": "EIP3091"
+    },
+    {
+      "name": "MemeCoreScan-Formicarium",
+      "url": "https://formicarium.memecorescan.io",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/icons/memecore.json b/_data/icons/memecore.json
new file mode 100644
index 000000000000..9c0788d16433
--- /dev/null
+++ b/_data/icons/memecore.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmX2DPJqHjMRUYD4CMpXBDBpqa3p8c4DkE4iiHtcxBJe3i",
+    "width": 500,
+    "height": 500,
+    "format": "svg"
+  }
+]