diff --git a/common/defs/coins_details.json b/common/defs/coins_details.json
index 817227681..bc97e1cfc 100644
--- a/common/defs/coins_details.json
+++ b/common/defs/coins_details.json
@@ -35451,6 +35451,27 @@
                 }
             ]
         },
+        "eth:xDAI:100": {
+            "links": {
+                "Homepage": "https://forum.poa.network/c/xdai-chain"
+            },
+            "marketcap_usd": 94550637,
+            "name": "xDAI Chain",
+            "shortcut": "xDAI",
+            "t1_enabled": "yes",
+            "t2_enabled": "yes",
+            "type": "coin",
+            "wallet": [
+                {
+                    "name": "MyCrypto",
+                    "url": "https://mycrypto.com"
+                },
+                {
+                    "name": "MyEtherWallet",
+                    "url": "https://www.myetherwallet.com"
+                }
+            ]
+        },
         "misc:ADA": {
             "links": {
                 "Github": "https://github.com/input-output-hk/cardano-sl",
@@ -35735,12 +35756,12 @@
         }
     },
     "info": {
-        "marketcap_supported": "93.25 %",
-        "marketcap_usd": 2470653276153,
-        "t1_coins": 1810,
-        "t2_coins": 1816,
-        "total_marketcap_usd": 2649597487250,
-        "updated_at": 1635778354,
-        "updated_at_readable": "Mon Nov  1 15:52:34 2021"
+        "marketcap_supported": "90.95 %",
+        "marketcap_usd": 2470747826790,
+        "t1_coins": 1811,
+        "t2_coins": 1817,
+        "total_marketcap_usd": 2716458553105,
+        "updated_at": 1635859294,
+        "updated_at_readable": "Tue Nov  2 14:21:34 2021"
     }
 }
diff --git a/common/defs/support.json b/common/defs/support.json
index 270b5c979..231441a6b 100644
--- a/common/defs/support.json
+++ b/common/defs/support.json
@@ -2201,6 +2201,7 @@
       "eth:thtt": "1.9.5",
       "eth:tmACA": "1.9.5",
       "eth:tsDIODE": "1.9.5",
+      "eth:xDAI:100": "1.9.4",
       "misc:MAID": "1.7.2",
       "misc:OMNI": "1.7.2",
       "misc:USDT": "1.7.2",
@@ -2532,7 +2533,6 @@
       "eth:taETH": "(AUTO) exclude testnet",
       "eth:tcett": "(AUTO) exclude testnet",
       "eth:tusd": "(AUTO) exclude testnet",
-      "eth:xDAI:100": "duplicate key",
       "eth:xDAI:200": "duplicate key",
       "misc:ADA": "not implemented",
       "misc:BNB": "not implemented",
@@ -4623,6 +4623,7 @@
       "eth:thtt": "2.3.7",
       "eth:tmACA": "2.3.7",
       "eth:tsDIODE": "2.3.7",
+      "eth:xDAI:100": "2.3.5",
       "misc:ADA": "2.0.8",
       "misc:BNB": "2.1.5",
       "misc:EOS": "2.1.1",
@@ -4961,7 +4962,6 @@
       "eth:taETH": "(AUTO) exclude testnet",
       "eth:tcett": "(AUTO) exclude testnet",
       "eth:tusd": "(AUTO) exclude testnet",
-      "eth:xDAI:100": "duplicate key",
       "eth:xDAI:200": "duplicate key",
       "misc:LSK": "Incompatible mainnet hard-fork"
     }
diff --git a/core/src/apps/ethereum/networks.py b/core/src/apps/ethereum/networks.py
index 159371c3b..3131a320a 100644
--- a/core/src/apps/ethereum/networks.py
+++ b/core/src/apps/ethereum/networks.py
@@ -408,6 +408,13 @@ def _networks_iterator() -> Iterator[NetworkInfo]:
         name="POA Network Core",
         rskip60=False,
     )
+    yield NetworkInfo(
+        chain_id=100,
+        slip44=700,
+        shortcut="xDAI",
+        name="xDAI Chain",
+        rskip60=False,
+    )
     yield NetworkInfo(
         chain_id=101,
         slip44=464,