diff --git a/_data/chains/eip155-1284.json b/_data/chains/eip155-1284.json
index 546351b8..d26e4be9 100644
--- a/_data/chains/eip155-1284.json
+++ b/_data/chains/eip155-1284.json
@@ -15,7 +15,7 @@
     "decimals": 18
   },
   "infoURL": "https://moonbeam.network/networks/moonbeam/",
-  "shortName": "??",
+  "shortName": "mbeam",
   "chainId": 1284,
   "networkId": 1284
 }
\ No newline at end of file
diff --git a/_data/chains/eip155-1285.json b/_data/chains/eip155-1285.json
index 2eed99ea..22cc6fb7 100644
--- a/_data/chains/eip155-1285.json
+++ b/_data/chains/eip155-1285.json
@@ -15,7 +15,7 @@
     "decimals": 18
   },
   "infoURL": "https://moonbeam.network/networks/moonriver/",
-  "shortName": "??",
+  "shortName": "mriver",
   "chainId": 1285,
   "networkId": 1285
 }
\ No newline at end of file
diff --git a/_data/chains/eip155-1286.json b/_data/chains/eip155-1286.json
index b1d324f6..8d68a9dd 100644
--- a/_data/chains/eip155-1286.json
+++ b/_data/chains/eip155-1286.json
@@ -10,12 +10,12 @@
     ""
   ],
   "nativeCurrency": {
-    "name": "??",
-    "symbol": "??",
+    "name": "Rocs",
+    "symbol": "ROC",
     "decimals": 18
   },
   "infoURL": "",
-  "shortName": "??",
+  "shortName": "mrock",
   "chainId": 1286,
   "networkId": 1286
 }
\ No newline at end of file
diff --git a/_data/chains/eip155-1287.json b/_data/chains/eip155-1287.json
index da616c7e..c17da275 100644
--- a/_data/chains/eip155-1287.json
+++ b/_data/chains/eip155-1287.json
@@ -10,12 +10,12 @@
     ""
   ],
   "nativeCurrency": {
-    "name": "??",
+    "name": "Dev",
     "symbol": "DEV",
     "decimals": 18
   },
   "infoURL": "https://docs.moonbeam.network/networks/testnet/",
-  "shortName": "??",
+  "shortName": "mbase",
   "chainId": 1287,
   "networkId": 1287
 }
\ No newline at end of file