- This preview version of firmware has not yet been qualified
- and tested to the same standard as normal Coinkite products.
- It is recommended only for developers and early adopters
- for experimental use. DO NOT use for large Bitcoin amounts.
- New Feature: Miniscript USB interface
- New Feature: Named miniscript imports. Wrap descriptor in json
{"name:"n0", "desc":"<descriptor>"}
withname
key to use this name instead of the filename. Mostly usefull for USB and NFC imports that have no file, in which case name was created from descriptor checksum. - Enhancement: Allow keys with same origin, differentiated only by change index derivation in miniscript descriptor.
- Enhancement: HSM
wallet
rule enabled for miniscript - Enhancement: Add
msas
in to theshare_addrs
HSM rule to be able to check miniscript addresses in HSM mode. - Enhancement: HW Accelerated AES CTR for BSMS and passphrase saver
- Bugfix: Do not allow to import duplicate miniscript wallets (thanks to AnchorWatch)
- Bugfix: Saving passphrase on SD Card caused a freeze that required reboot
- New Feature: Enroll Miniscript wallet via USB (requires ckcc
v1.4.0
) - New Feature: Temporary Seed from COLDCARD encrypted backup
- Enhancement: Add current temporary seed to Seed Vault from within Seed Vault menu.
If current active temporary seed is not saved yet,
Add current tmp
menu item is present in Seed Vault menu. - Reorg:
12 Words
menu option preferred on the top of the menu in all the seed menus - Enhancement: Mainnet/Testnet separation. Only show wallets for current active chain.
- contains all the changes from the newest stable
5.2.0-mk4
firmware
- New Feature: Miniscript and MiniTapscript support (
docs/miniscript.md
) - Enhancement: Tapscript up to 8 leafs
- Address explorer display refined slightly (cosmetic)
- New Feature: Taproot keyspend & Tapscript multisig
sortedmulti_a
(tree depth = 0) - New Feature: Support BIP-0129 Bitcoin Secure Multisig Setup (BSMS). Both Coordinator and Signer roles are supported.
- Enhancement: change Key Origin Information export format in multisig
addresses.csv
according to BIP-0380(m=0F056943)/m/48'/1'/0'/2'/0/0
-->[0F056943/48'/1'/0'/2'/0/0]
- Bugfix: correct
scriptPubkey
parsing for segwit v1-v16 - Bugfix: do not infer segwit just by availability of
PSBT_IN_WITNESS_UTXO
in PSBT