diff --git a/common/defs/bitcoin/koto.json b/common/defs/bitcoin/koto.json
index f501d84a7..2f75c734b 100644
--- a/common/defs/bitcoin/koto.json
+++ b/common/defs/bitcoin/koto.json
@@ -35,11 +35,18 @@
   "bitcore": [
     "https://insight.kotocoin.info"
   ],
-  "blockbook": [],
+  "blockbook": [
+    "https://blockbook.kotocoin.info"
+  ],
   "negative_fee": false,
   "cooldown": 100,
-  "consensus_branch_id": null,
-  "extra_data": false,
+  "consensus_branch_id": {
+    "1": 0,
+    "2": 0,
+    "3": 1537743641,
+    "4": 733220448
+  },
+  "extra_data": true,
   "timestamp": false,
   "confidential_assets": null
 }