diff --git a/defs/bitcoin/actinium.json b/defs/bitcoin/actinium.json
index a30304f3e..764799419 100644
--- a/defs/bitcoin/actinium.json
+++ b/defs/bitcoin/actinium.json
@@ -34,5 +34,6 @@
   "max_address_length": 34,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/axe.json b/defs/bitcoin/axe.json
index e57e3e64b..7804f0375 100644
--- a/defs/bitcoin/axe.json
+++ b/defs/bitcoin/axe.json
@@ -34,5 +34,6 @@
   "max_address_length": 34,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/bcash.json b/defs/bitcoin/bcash.json
index 29a617152..95c496eb8 100644
--- a/defs/bitcoin/bcash.json
+++ b/defs/bitcoin/bcash.json
@@ -43,5 +43,6 @@
     "https://bch4.trezor.io",
     "https://bch5.trezor.io"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/bcash_testnet.json b/defs/bitcoin/bcash_testnet.json
index ce59249ee..13b8c9365 100644
--- a/defs/bitcoin/bcash_testnet.json
+++ b/defs/bitcoin/bcash_testnet.json
@@ -34,5 +34,6 @@
   "max_address_length": 34,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/bgold.json b/defs/bitcoin/bgold.json
index e3e780335..8b31d0c10 100644
--- a/defs/bitcoin/bgold.json
+++ b/defs/bitcoin/bgold.json
@@ -43,5 +43,6 @@
     "https://btg4.trezor.io",
     "https://btg5.trezor.io"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/bgold_testnet.json b/defs/bitcoin/bgold_testnet.json
index 8007db7fd..b9ce5af09 100644
--- a/defs/bitcoin/bgold_testnet.json
+++ b/defs/bitcoin/bgold_testnet.json
@@ -37,5 +37,6 @@
   "max_address_length": 34,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/bitcash.json b/defs/bitcoin/bitcash.json
index b152c090b..41c0de6b1 100644
--- a/defs/bitcoin/bitcash.json
+++ b/defs/bitcoin/bitcash.json
@@ -37,5 +37,6 @@
   "max_address_length": 53,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/bitcloud.json b/defs/bitcoin/bitcloud.json
index 099d05403..5b9b1674c 100644
--- a/defs/bitcoin/bitcloud.json
+++ b/defs/bitcoin/bitcloud.json
@@ -34,5 +34,6 @@
   "max_address_length": 34,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/bitcoin.json b/defs/bitcoin/bitcoin.json
index 4df6e08af..f0d4ba3be 100644
--- a/defs/bitcoin/bitcoin.json
+++ b/defs/bitcoin/bitcoin.json
@@ -43,5 +43,6 @@
     "https://btc4.trezor.io",
     "https://btc5.trezor.io"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/bitcoin_testnet.json b/defs/bitcoin/bitcoin_testnet.json
index 0e4c88c45..1b6c59c6d 100644
--- a/defs/bitcoin/bitcoin_testnet.json
+++ b/defs/bitcoin/bitcoin_testnet.json
@@ -37,5 +37,6 @@
     "https://tbtc1.trezor.io",
     "https://tbtc2.trezor.io"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/bitcore.json b/defs/bitcoin/bitcore.json
index 74748dce9..cd226c824 100644
--- a/defs/bitcoin/bitcore.json
+++ b/defs/bitcoin/bitcore.json
@@ -36,5 +36,6 @@
     "https://insight.bitcore.cc"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/bitsend.json b/defs/bitcoin/bitsend.json
index 25a1084f0..c141b9e0b 100644
--- a/defs/bitcoin/bitsend.json
+++ b/defs/bitcoin/bitsend.json
@@ -34,5 +34,6 @@
   "max_address_length": 34,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/bprivate.json b/defs/bitcoin/bprivate.json
index 83ba75bdd..09f97a6fd 100644
--- a/defs/bitcoin/bprivate.json
+++ b/defs/bitcoin/bprivate.json
@@ -36,5 +36,6 @@
     "https://explorer.btcprivate.org"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/brhodium.json b/defs/bitcoin/brhodium.json
index 0ca2bb102..ec353e367 100644
--- a/defs/bitcoin/brhodium.json
+++ b/defs/bitcoin/brhodium.json
@@ -40,5 +40,6 @@
       "https://blockbook1.bitcoinrh.org",
       "https://blockbook2.bitcoinrh.org"
     ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/capricoin.json b/defs/bitcoin/capricoin.json
index 3b2659277..8881cfe7d 100644
--- a/defs/bitcoin/capricoin.json
+++ b/defs/bitcoin/capricoin.json
@@ -42,5 +42,6 @@
     "https://blockbook3.capricoin.org",
     "https://blockbook4.capricoin.org"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/crown.json b/defs/bitcoin/crown.json
index 07cfbc288..e84776aee 100644
--- a/defs/bitcoin/crown.json
+++ b/defs/bitcoin/crown.json
@@ -34,5 +34,6 @@
   "max_address_length": 34,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/dash.json b/defs/bitcoin/dash.json
index 65651b006..388bf7a27 100644
--- a/defs/bitcoin/dash.json
+++ b/defs/bitcoin/dash.json
@@ -40,5 +40,6 @@
     "https://dash4.trezor.io",
     "https://dash5.trezor.io"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/dash_testnet.json b/defs/bitcoin/dash_testnet.json
index ce6ace0f5..1bf8838e0 100644
--- a/defs/bitcoin/dash_testnet.json
+++ b/defs/bitcoin/dash_testnet.json
@@ -34,5 +34,6 @@
   "max_address_length": 34,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/decred.json b/defs/bitcoin/decred.json
index 1d44e67f4..64caf3004 100644
--- a/defs/bitcoin/decred.json
+++ b/defs/bitcoin/decred.json
@@ -36,5 +36,6 @@
     "https://mainnet.decred.org"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/decred_testnet.json b/defs/bitcoin/decred_testnet.json
index d1f31c479..a6f7d1ab2 100644
--- a/defs/bitcoin/decred_testnet.json
+++ b/defs/bitcoin/decred_testnet.json
@@ -36,5 +36,6 @@
     "https://testnet.decred.org"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/denarius.json b/defs/bitcoin/denarius.json
index 8052e4961..e75985d44 100644
--- a/defs/bitcoin/denarius.json
+++ b/defs/bitcoin/denarius.json
@@ -34,5 +34,6 @@
   "max_address_length": 34,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/digibyte.json b/defs/bitcoin/digibyte.json
index 165c8588e..3c81a0a7e 100644
--- a/defs/bitcoin/digibyte.json
+++ b/defs/bitcoin/digibyte.json
@@ -40,5 +40,6 @@
     "https://dgb1.trezor.io",
     "https://dgb2.trezor.io"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/dogecoin.json b/defs/bitcoin/dogecoin.json
index 0ff8fdcce..4869603e1 100644
--- a/defs/bitcoin/dogecoin.json
+++ b/defs/bitcoin/dogecoin.json
@@ -40,5 +40,6 @@
     "https://doge4.trezor.io",
     "https://doge5.trezor.io"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/feathercoin.json b/defs/bitcoin/feathercoin.json
index cd750189c..504effe99 100644
--- a/defs/bitcoin/feathercoin.json
+++ b/defs/bitcoin/feathercoin.json
@@ -36,5 +36,6 @@
     "https://bitcore.feathercoin.com"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/flashcoin.json b/defs/bitcoin/flashcoin.json
index 68505ef21..e474ad536 100644
--- a/defs/bitcoin/flashcoin.json
+++ b/defs/bitcoin/flashcoin.json
@@ -36,5 +36,6 @@
     "https://explorer.flashcoin.io"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/florincoin.json b/defs/bitcoin/florincoin.json
index d77b6f910..f39306429 100644
--- a/defs/bitcoin/florincoin.json
+++ b/defs/bitcoin/florincoin.json
@@ -36,5 +36,6 @@
     "https://livenet.flocha.in"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/fujicoin.json b/defs/bitcoin/fujicoin.json
index cc6763236..35fe18dc4 100644
--- a/defs/bitcoin/fujicoin.json
+++ b/defs/bitcoin/fujicoin.json
@@ -39,5 +39,6 @@
   "blockbook": [
     "https://explorer.fujicoin.org"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/gamecredits.json b/defs/bitcoin/gamecredits.json
index 6d6d46aee..d3d32b66a 100644
--- a/defs/bitcoin/gamecredits.json
+++ b/defs/bitcoin/gamecredits.json
@@ -36,5 +36,6 @@
   "blockbook": [
     "https://blockbook.gamecredits.network"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/gincoin.json b/defs/bitcoin/gincoin.json
index 01469ea05..a23bd8a61 100644
--- a/defs/bitcoin/gincoin.json
+++ b/defs/bitcoin/gincoin.json
@@ -36,5 +36,6 @@
   "blockbook": [
     "https://blockbook.gincoin.io"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/groestlcoin.json b/defs/bitcoin/groestlcoin.json
index 75e2fc275..e229280b4 100644
--- a/defs/bitcoin/groestlcoin.json
+++ b/defs/bitcoin/groestlcoin.json
@@ -39,5 +39,6 @@
   "blockbook": [
     "https://blockbook.groestlcoin.org"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/groestlcoin_testnet.json b/defs/bitcoin/groestlcoin_testnet.json
index daf8fcb45..530765a96 100644
--- a/defs/bitcoin/groestlcoin_testnet.json
+++ b/defs/bitcoin/groestlcoin_testnet.json
@@ -38,5 +38,6 @@
   "blockbook": [
     "https://blockbook-test.groestlcoin.org"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/komodo.json b/defs/bitcoin/komodo.json
index a7dc0b810..8c0490e41 100644
--- a/defs/bitcoin/komodo.json
+++ b/defs/bitcoin/komodo.json
@@ -36,5 +36,11 @@
     "https://api.kmd.dev"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": {
+    "1": 0,
+    "2": 0,
+    "3": 1537743641,
+    "4": 1991772603
+  }
 }
diff --git a/defs/bitcoin/koto.json b/defs/bitcoin/koto.json
index ed31ab738..0225e1b9d 100644
--- a/defs/bitcoin/koto.json
+++ b/defs/bitcoin/koto.json
@@ -36,5 +36,6 @@
     "https://insight.kotocoin.info"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/litecoin.json b/defs/bitcoin/litecoin.json
index 114af980a..55740e9b0 100644
--- a/defs/bitcoin/litecoin.json
+++ b/defs/bitcoin/litecoin.json
@@ -40,5 +40,6 @@
     "https://ltc4.trezor.io",
     "https://ltc5.trezor.io"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/litecoin_testnet.json b/defs/bitcoin/litecoin_testnet.json
index c8985f1d1..cea387b88 100644
--- a/defs/bitcoin/litecoin_testnet.json
+++ b/defs/bitcoin/litecoin_testnet.json
@@ -36,5 +36,6 @@
     "https://testnet.litecore.io"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/megacoin.json b/defs/bitcoin/megacoin.json
index 4fa60aff1..2386e6525 100644
--- a/defs/bitcoin/megacoin.json
+++ b/defs/bitcoin/megacoin.json
@@ -34,5 +34,6 @@
   "max_address_length": 34,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/monacoin.json b/defs/bitcoin/monacoin.json
index d5da7cef4..81d5634f5 100644
--- a/defs/bitcoin/monacoin.json
+++ b/defs/bitcoin/monacoin.json
@@ -39,5 +39,6 @@
   "blockbook": [
     "https://blockbook.electrum-mona.org"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/monetaryunit.json b/defs/bitcoin/monetaryunit.json
index 7245c8235..d9be035c4 100644
--- a/defs/bitcoin/monetaryunit.json
+++ b/defs/bitcoin/monetaryunit.json
@@ -34,5 +34,6 @@
   "max_address_length": 34,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/myriad.json b/defs/bitcoin/myriad.json
index 293f30ec0..ca47fd459 100644
--- a/defs/bitcoin/myriad.json
+++ b/defs/bitcoin/myriad.json
@@ -37,5 +37,6 @@
   "max_address_length": 34,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/namecoin.json b/defs/bitcoin/namecoin.json
index a57622e45..c7a580918 100644
--- a/defs/bitcoin/namecoin.json
+++ b/defs/bitcoin/namecoin.json
@@ -37,5 +37,6 @@
     "https://nmc1.trezor.io",
     "https://nmc2.trezor.io"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/nix.json b/defs/bitcoin/nix.json
index 479f088de..031655cf4 100644
--- a/defs/bitcoin/nix.json
+++ b/defs/bitcoin/nix.json
@@ -34,5 +34,6 @@
   "max_address_length": 34,
   "bitcore": ["https://blockchain.nixplatform.io"],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/pesetacoin.json b/defs/bitcoin/pesetacoin.json
index cd38082f2..f05244955 100644
--- a/defs/bitcoin/pesetacoin.json
+++ b/defs/bitcoin/pesetacoin.json
@@ -36,5 +36,6 @@
     "https://live.pesetacoin.info"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/pivx.json b/defs/bitcoin/pivx.json
index 6a7e812a5..952167686 100644
--- a/defs/bitcoin/pivx.json
+++ b/defs/bitcoin/pivx.json
@@ -36,5 +36,6 @@
   "blockbook": [
     "https://blockbook.pivx.link"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/pivx_testnet.json b/defs/bitcoin/pivx_testnet.json
index 364700056..43767846c 100644
--- a/defs/bitcoin/pivx_testnet.json
+++ b/defs/bitcoin/pivx_testnet.json
@@ -36,5 +36,6 @@
   "blockbook": [
     "https://blockbook-testnet.pivx.link"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/primecoin.json b/defs/bitcoin/primecoin.json
index 74fb5882b..dab237e2e 100644
--- a/defs/bitcoin/primecoin.json
+++ b/defs/bitcoin/primecoin.json
@@ -34,5 +34,6 @@
   "max_address_length": 35,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/qtum.json b/defs/bitcoin/qtum.json
index 4767a8e00..552d1fee2 100644
--- a/defs/bitcoin/qtum.json
+++ b/defs/bitcoin/qtum.json
@@ -37,5 +37,6 @@
     "max_address_length": 34,
     "bitcore": [],
     "blockbook": [],
-    "cooldown": 100
+    "cooldown": 100,
+    "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/qtum_testnet.json b/defs/bitcoin/qtum_testnet.json
index 937ea4300..7e897d9fd 100644
--- a/defs/bitcoin/qtum_testnet.json
+++ b/defs/bitcoin/qtum_testnet.json
@@ -37,5 +37,6 @@
     "max_address_length": 34,
     "bitcore": [],
     "blockbook": [],
-    "cooldown": 100
+    "cooldown": 100,
+    "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/ravencoin.json b/defs/bitcoin/ravencoin.json
index 292b1f3ba..4374d6239 100644
--- a/defs/bitcoin/ravencoin.json
+++ b/defs/bitcoin/ravencoin.json
@@ -36,5 +36,6 @@
     "https://ravencoin.network"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/smartcash.json b/defs/bitcoin/smartcash.json
index f82ac9194..77d5f1716 100644
--- a/defs/bitcoin/smartcash.json
+++ b/defs/bitcoin/smartcash.json
@@ -39,5 +39,6 @@
     "https://insight.smartcash.cc"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/smartcash_testnet.json b/defs/bitcoin/smartcash_testnet.json
index 1be411754..36bbdd78f 100644
--- a/defs/bitcoin/smartcash_testnet.json
+++ b/defs/bitcoin/smartcash_testnet.json
@@ -37,5 +37,6 @@
   "max_address_length": 35,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/stakenet.json b/defs/bitcoin/stakenet.json
index 0e618f295..df1b6e08f 100644
--- a/defs/bitcoin/stakenet.json
+++ b/defs/bitcoin/stakenet.json
@@ -37,5 +37,6 @@
     "max_address_length": 47,
     "bitcore": [],
     "blockbook": [],
-    "cooldown": 100
+    "cooldown": 100,
+    "consensus_branch_id": null
   }
\ No newline at end of file
diff --git a/defs/bitcoin/terracoin.json b/defs/bitcoin/terracoin.json
index 2f845d3b7..76528faa9 100644
--- a/defs/bitcoin/terracoin.json
+++ b/defs/bitcoin/terracoin.json
@@ -36,5 +36,6 @@
     "https://insight.terracoin.io"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/vertcoin.json b/defs/bitcoin/vertcoin.json
index 34e2b65b6..636fb79b1 100644
--- a/defs/bitcoin/vertcoin.json
+++ b/defs/bitcoin/vertcoin.json
@@ -40,5 +40,6 @@
     "https://vtc4.trezor.io",
     "https://vtc5.trezor.io"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/viacoin.json b/defs/bitcoin/viacoin.json
index f590928fb..81ad49a8e 100644
--- a/defs/bitcoin/viacoin.json
+++ b/defs/bitcoin/viacoin.json
@@ -39,5 +39,6 @@
     "https://explorer.viacoin.org"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/zcash.json b/defs/bitcoin/zcash.json
index f88a1316a..5e9b5895c 100644
--- a/defs/bitcoin/zcash.json
+++ b/defs/bitcoin/zcash.json
@@ -40,5 +40,11 @@
     "https://zec4.trezor.io",
     "https://zec5.trezor.io"
   ],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": {
+    "1": 0,
+    "2": 0,
+    "3": 1537743641,
+    "4": 1991772603
+  }
 }
diff --git a/defs/bitcoin/zcash_testnet.json b/defs/bitcoin/zcash_testnet.json
index 42dc56360..ab95d367b 100644
--- a/defs/bitcoin/zcash_testnet.json
+++ b/defs/bitcoin/zcash_testnet.json
@@ -36,5 +36,11 @@
     "https://explorer.testnet.z.cash"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": {
+    "1": 0,
+    "2": 0,
+    "3": 1537743641,
+    "4": 1991772603
+  }
 }
diff --git a/defs/bitcoin/zclassic.json b/defs/bitcoin/zclassic.json
index dc38ea1da..7b4a58445 100644
--- a/defs/bitcoin/zclassic.json
+++ b/defs/bitcoin/zclassic.json
@@ -36,5 +36,6 @@
     "https://explorer.zcl.zeltrez.io"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/zcoin.json b/defs/bitcoin/zcoin.json
index b4de83638..55788a749 100644
--- a/defs/bitcoin/zcoin.json
+++ b/defs/bitcoin/zcoin.json
@@ -39,5 +39,6 @@
     "https://insight.zcoin.io"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/zcoin_testnet.json b/defs/bitcoin/zcoin_testnet.json
index 85d66c158..fe7653466 100644
--- a/defs/bitcoin/zcoin_testnet.json
+++ b/defs/bitcoin/zcoin_testnet.json
@@ -37,5 +37,6 @@
   "max_address_length": 35,
   "bitcore": [],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }
diff --git a/defs/bitcoin/zencash.json b/defs/bitcoin/zencash.json
index 2f0424865..d6c3c8abd 100644
--- a/defs/bitcoin/zencash.json
+++ b/defs/bitcoin/zencash.json
@@ -36,5 +36,6 @@
     "https://explorer.zensystem.io"
   ],
   "blockbook": [],
-  "cooldown": 100
+  "cooldown": 100,
+  "consensus_branch_id": null
 }