From 8b3bc91483166ba461e7c03730492c8f582c08d0 Mon Sep 17 00:00:00 2001 From: BitcoincashII Date: Mon, 13 Jul 2026 17:14:52 +0000 Subject: [PATCH] feat(defs): add Bitcoin Cash II (BCHII) Add the Bitcoin Cash II coin definition. BCH2 is a Bitcoin Cash protocol chain (CashAddr prefix bitcoincashii, forkId/BIP-143 signing, secp256k1). Uses SLIP-44 coin type 20145, distinct from Bitcoin Cash (145), to avoid key reuse. Shortcut BCHII (digits are not permitted in coin_shortcut). --- common/defs/bitcoin/bch2.json | 48 ++++++++++++++++++++++++++++++++++ common/defs/bitcoin/bch2.png | Bin 0 -> 9502 bytes 2 files changed, 48 insertions(+) create mode 100644 common/defs/bitcoin/bch2.json create mode 100644 common/defs/bitcoin/bch2.png diff --git a/common/defs/bitcoin/bch2.json b/common/defs/bitcoin/bch2.json new file mode 100644 index 000000000..3bf4f5646 --- /dev/null +++ b/common/defs/bitcoin/bch2.json @@ -0,0 +1,48 @@ +{ + "coin_name": "Bitcoin Cash II", + "coin_shortcut": "BCHII", + "coin_label": "Bitcoin Cash II", + "website": "https://bch2.org", + "github": "https://github.com/BitcoincashII/bitcoincashII-core", + "maintainer": "BitcoincashII ", + "curve_name": "secp256k1", + "decimals": 8, + "address_type": 0, + "address_type_p2sh": 5, + "maxfee_kb": 14000000, + "minfee_kb": 1000, + "signed_message_header": "Bitcoin Signed Message:\n", + "hash_genesis_block": "0000000028f062b221c1a8a5cf0244b1627315f7aa5b775b931cfec46dc17ceb", + "xprv_magic": 76066276, + "xpub_magic": 76067358, + "xpub_magic_segwit_p2sh": null, + "xpub_magic_segwit_native": null, + "xpub_magic_multisig_segwit_p2sh": null, + "xpub_magic_multisig_segwit_native": null, + "bech32_prefix": null, + "cashaddr_prefix": "bitcoincashii", + "slip44": 20145, + "segwit": false, + "taproot": false, + "decred": false, + "fork_id": 0, + "force_bip143": true, + "default_fee_b": { + "Low": 10, + "Economy": 70, + "Normal": 140, + "High": 200 + }, + "dust_limit": 546, + "blocktime_seconds": 600, + "uri_prefix": "bitcoincashii", + "min_address_length": 27, + "max_address_length": 34, + "negative_fee": false, + "cooldown": 100, + "overwintered": false, + "extra_data": false, + "timestamp": false, + "confidential_assets": null, + "primary_color": "0x00B080" +} diff --git a/common/defs/bitcoin/bch2.png b/common/defs/bitcoin/bch2.png new file mode 100644 index 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