diff --git a/_data/chains/eip155-2110.json b/_data/chains/eip155-2110.json
new file mode 100644
index 000000000000..5403f7895570
--- /dev/null
+++ b/_data/chains/eip155-2110.json
@@ -0,0 +1,18 @@
+{
+  "name": "Parallax",
+  "chain": "PARALLAX",
+  "rpc": [],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Parallax",
+    "symbol": "PRLX",
+    "decimals": 18
+  },
+  "features": [{ "name": "EIP155" }],
+  "infoURL": "https://github.com/microstack-tech/parallax-whitepaper",
+  "shortName": "prlx",
+  "chainId": 2110,
+  "networkId": 2110,
+  "icon": "ethereum",
+  "explorers": []
+}
diff --git a/_data/chains/eip155-2111.json b/_data/chains/eip155-2111.json
new file mode 100644
index 000000000000..314b80da439e
--- /dev/null
+++ b/_data/chains/eip155-2111.json
@@ -0,0 +1,18 @@
+{
+  "name": "Parallax Testnet",
+  "chain": "PARALLAX",
+  "rpc": [],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Parallax",
+    "symbol": "tPRLX",
+    "decimals": 18
+  },
+  "features": [{ "name": "EIP155" }],
+  "infoURL": "https://github.com/microstack-tech/parallax-whitepaper",
+  "shortName": "prlx",
+  "chainId": 2111,
+  "networkId": 2111,
+  "icon": "ethereum",
+  "explorers": []
+}