diff --git a/_data/chains/eip155-22.json b/_data/chains/eip155-22.json
new file mode 100644
index 00000000..a16e1df8
--- /dev/null
+++ b/_data/chains/eip155-22.json
@@ -0,0 +1,16 @@
+{
+  "name": "ELA-DID-Sidechain Mainnet",
+  "chain": "ETH",
+  "network": "mainnet",
+  "rpc": [],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Elastos",
+    "symbol": "ELA",
+    "decimals": 18
+  },
+  "infoURL": "https://www.elastos.org/",
+  "shortName": "eladid",
+  "chainId": 22,
+  "networkId": 22
+}
diff --git a/_data/chains/eip155-23.json b/_data/chains/eip155-23.json
new file mode 100644
index 00000000..aeb18471
--- /dev/null
+++ b/_data/chains/eip155-23.json
@@ -0,0 +1,16 @@
+{
+  "name": "ELA-DID-Sidechain Testnet",
+  "chain": "ETH",
+  "network": "testnet",
+  "rpc": [],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Elastos",
+    "symbol": "tELA",
+    "decimals": 18
+  },
+  "infoURL": "https://elaeth.io/",
+  "shortName": "eladidt",
+  "chainId": 23,
+  "networkId": 23
+}