diff --git a/tokensMap/Erg.mainnet-loen.json b/tokensMap/Erg.mainnet-loen.json
new file mode 100644
index 0000000..9817b45
--- /dev/null
+++ b/tokensMap/Erg.mainnet-loen.json
@@ -0,0 +1,22 @@
+{
+    "ergo": {
+      "tokenId": "erg",
+      "name": "ERG",
+      "decimals": 9,
+      "metaData": {
+        "type": "native",
+        "residency": "native"
+      }
+    },
+    "cardano": {
+      "tokenId": "fca58ef8ba9ef1961e132b611de2f8abcd2f34831e615a6f80c5bb48.77724552472d6c6f656e",
+      "policyId": "fca58ef8ba9ef1961e132b611de2f8abcd2f34831e615a6f80c5bb48",
+      "assetName": "727374455247",
+      "name": "rstERG",
+      "decimals": 9,
+      "metaData": {
+        "type": "CIP26",
+        "residency": "wrapped"
+      }
+    }
+  }