diff --git a/_data/chains/eip155-513.json b/_data/chains/eip155-513.json
new file mode 100644
index 00000000..425431dd
--- /dev/null
+++ b/_data/chains/eip155-513.json
@@ -0,0 +1,25 @@
+{
+    "name": "Double-A Chain Testnet",
+    "chain": "AAC",
+    "icon": "aac",
+    "rpc": [
+      "https://rpc-testnet.acuteangle.com"
+    ],
+    "faucets": [
+      "https://scan-testnet.acuteangle.com/faucet"
+    ],
+    "nativeCurrency": {
+      "name": "Acuteangle Native Token",
+      "symbol": "AAC",
+      "decimals": 18
+    },
+    "infoURL": "https://www.acuteangle.com/",
+    "shortName": "aac",
+    "chainId": 513,
+    "networkId": 513,
+    "explorers": [{
+      "name": "aacscan-testnet",
+      "url": "https://scan-testnet.acuteangle.com ",
+      "standard": "EIP3091"
+    }]
+  }
\ No newline at end of file