diff --git a/_data/chains/eip155-189.json b/_data/chains/eip155-189.json
new file mode 100644
index 00000000..cb3e0b38
--- /dev/null
+++ b/_data/chains/eip155-189.json
@@ -0,0 +1,23 @@
+{
+  "name": "BMC Testnet",
+  "chain": "BMC",
+  "network": "testnet",
+  "rpc": [
+    "https://testnet.bmcchain.com"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "BTM",
+    "symbol": "BTM",
+    "decimals": 18
+  },
+  "infoURL": "https://bmc.bytom.io/",
+  "shortName": "BMCT",
+  "chainId": 189,
+  "networkId": 189,
+  "explorers": [{
+    "name": "Blockmeta",
+    "url": "https://bmc.blockmeta.com/",
+    "standard": "none"
+  }]
+}