diff --git a/common/defs/blockchain_link.json b/common/defs/blockchain_link.json
index 09914fa2f..e23201984 100644
--- a/common/defs/blockchain_link.json
+++ b/common/defs/blockchain_link.json
@@ -252,5 +252,29 @@
     "url": [
       "https://solana-dev.trezor.io"
     ]
+  },
+  "eth:ETH:1": {
+    "type": "blockbook",
+    "url": ["https://eth1.trezor.io", "https://eth2.trezor.io"]
+  },
+  "eth:BNB:56": {
+    "type": "blockbook",
+    "url": ["https://bsc1.trezor.io"]
+  },
+  "eth:ETC:61": {
+    "type": "blockbook",
+    "url": ["https://etc1.trezor.io", "https://etc2.trezor.io"]
+  },
+  "eth:MATIC:137": {
+    "type": "blockbook",
+    "url": ["https://matic1.trezor.io", "https://matic2.trezor.io"]
+  },
+  "eth:tHOL:17000": {
+    "type": "blockbook",
+    "url": ["https://holesky1.trezor.io", "https://holesky2.trezor.io"]
+  },
+  "eth:tSEP:11155111": {
+    "type": "blockbook",
+    "url": ["https://sepolia1.trezor.io"]
   }
 }
diff --git a/common/defs/duplicity_overrides.json b/common/defs/duplicity_overrides.json
index 85b5a11fc..cfd324d0c 100644
--- a/common/defs/duplicity_overrides.json
+++ b/common/defs/duplicity_overrides.json
@@ -3,9 +3,6 @@
     "erc20:eth:USDT": false,
     "eth:BNB:56": false,
     "eth:MATIC:137": false,
-    "eth:tETH:3": false,
-    "eth:tETH:4": false,
-    "eth:tETH:5": false,
     "misc:BNB": false,
     "misc:USDT": false
 }
diff --git a/common/defs/ethereum/networks.json b/common/defs/ethereum/networks.json
index 884d4beeb..19e82558f 100644
--- a/common/defs/ethereum/networks.json
+++ b/common/defs/ethereum/networks.json
@@ -9,35 +9,27 @@
         "slip44": 60
     },
     {
-        "chain": "rop",
-        "chain_id": 3,
+        "chain": "hol",
+        "chain_id": 17000,
         "is_testnet": true,
-        "name": "Ropsten",
-        "shortcut": "tETH",
+        "name": "Holesky",
+        "shortcut": "tHOL",
         "slip44": 1
     },
     {
-        "chain": "rin",
-        "chain_id": 4,
+        "chain": "sep",
+        "chain_id": 11155111,
         "is_testnet": true,
-        "name": "Rinkeby",
-        "shortcut": "tETH",
+        "name": "Sepolia",
+        "shortcut": "tSEP",
         "slip44": 1
     },
     {
-        "chain": "gor",
-        "chain_id": 5,
-        "is_testnet": true,
-        "name": "Görli",
-        "shortcut": "tETH",
-        "slip44": 1
-    },
-    {
-        "chain": "bnb",
+        "chain": "bsc",
         "chain_id": 56,
         "coingecko_id": "binance-smart-chain",
         "is_testnet": false,
-        "name": "Binance Smart Chain",
+        "name": "BNB Smart Chain",
         "shortcut": "BNB",
         "slip44": 714
     },
diff --git a/common/defs/support.json b/common/defs/support.json
index eb4034d70..fbb9a240d 100644
--- a/common/defs/support.json
+++ b/common/defs/support.json
@@ -83,9 +83,8 @@
       "eth:ETC:61": "1.11.3",
       "eth:ETH:1": "1.11.3",
       "eth:MATIC:137": "1.11.3",
-      "eth:tETH:3": "1.6.2",
-      "eth:tETH:4": "1.11.3",
-      "eth:tETH:5": "1.11.3",
+      "eth:tSEP:11155111": "1.11.3",
+      "eth:tHOL:17000": "1.11.3",
       "misc:MAID": "1.7.2",
       "misc:OMNI": "1.7.2",
       "misc:USDT": "1.7.2",
@@ -189,9 +188,8 @@
       "eth:ETC:61": "2.6.1",
       "eth:ETH:1": "2.6.1",
       "eth:MATIC:137": "2.6.1",
-      "eth:tETH:3": "2.6.1",
-      "eth:tETH:4": "2.6.1",
-      "eth:tETH:5": "2.6.1",
+      "eth:tSEP:11155111": "2.6.4",
+      "eth:tHOL:17000": "2.6.4",
       "misc:ADA": "2.6.1",
       "misc:BNB": "2.6.1",
       "misc:DSOL": "2.6.4",
@@ -313,9 +311,8 @@
       "eth:ETC:61": "2.5.3",
       "eth:ETH:1": "2.5.3",
       "eth:MATIC:137": "2.5.3",
-      "eth:tETH:3": "2.0.7",
-      "eth:tETH:4": "2.5.3",
-      "eth:tETH:5": "2.5.3",
+      "eth:tSEP:11155111": "2.6.4",
+      "eth:tHOL:17000": "2.6.4",
       "misc:ADA": "2.0.8",
       "misc:BNB": "2.1.5",
       "misc:DSOL": "2.6.4",
@@ -344,7 +341,7 @@
       "misc:LSK": "Incompatible mainnet hard-fork"
     }
   },
-   "T3B1": {
+  "T3B1": {
     "supported": {
       "bitcoin:ACM": "2.8.1",
       "bitcoin:AXE": "2.8.1",
@@ -533,9 +530,8 @@
       "eth:ETC:61": "2.6.1",
       "eth:ETH:1": "2.6.1",
       "eth:MATIC:137": "2.6.1",
-      "eth:tETH:3": "2.6.1",
-      "eth:tETH:4": "2.6.1",
-      "eth:tETH:5": "2.6.1",
+      "eth:tSEP:11155111": "2.6.1",
+      "eth:tHOL:17000": "2.6.1",
       "misc:ADA": "2.6.1",
       "misc:BNB": "2.6.1",
       "misc:DSOL": "2.6.4",
@@ -618,7 +614,12 @@
       "bitcoin:tFIRO": true,
       "bitcoin:tLTC": true,
       "bitcoin:tPPC": true,
-      "eth:tETH:3": true,
+      "eth:BNB:56": true,
+      "eth:ETC:61": true,
+      "eth:ETH:1": true,
+      "eth:MATIC:137": true,
+      "eth:tSEP:11155111": true,
+      "eth:tHOL:17000": true,
       "misc:ADA": true,
       "misc:BNB": true,
       "misc:DSOL": true,
@@ -652,7 +653,12 @@
       "bitcoin:TEST": true,
       "bitcoin:VTC": true,
       "bitcoin:ZEC": true,
-      "eth:tETH:3": true,
+      "eth:BNB:56": true,
+      "eth:ETC:61": true,
+      "eth:ETH:1": true,
+      "eth:MATIC:137": true,
+      "eth:tSEP:11155111": true,
+      "eth:tHOL:17000": true,
       "misc:ADA": true,
       "misc:DSOL": true,
       "misc:SOL": true,