Bitcoin Optech #231: 2022 Year-in-Review Special
This special edition of the Optech Newsletter summarizes notable developments in Bitcoin during all of 2022. It’s the sequel to our summaries from 2018, 2019, 2020, and 2021.
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Krux v24.11.0: Experimental Tamper Detection Tool & Other Improvements
Krux is open-source firmware for building DIY Bitcoin signing devices using off-the-shelf parts. It runs on Kendryte K210 devices like the M5StickV and Maix Amigo, turning them into airgapped devices that can sign transactions for singlesig and multisig wallets.
Liana v8.0: Improved Setup Process, New Templates, BitBox02 Support
Liana is a Bitcoin wallet that uses miniscript output descriptors, with extensive use of relative timelocks (OP_CSV). It features a timelocked recovery path for all your coins and can be used for inheritance, decaying multisigs and generally safer backups. Available on Windows, Mac and Linux.
ZEUS v0.9.2: Export Transaction History, BIP-353, BOLT 12 & Hardware Signer Improvements
ZEUS is a mobile Bitcoin and Lightning wallet, and remote node manager for LND and Core Lightning. Available on Android and iOS.
Bitcoin Keeper v1.2.18 & Keeper Desktop v0.1.3 Released
Bitcoin Keeper is an open source, mobile multisig bitcoin wallet with inheritance features. Keeper Desktop is a companion desktop app that allows you to securely use hardware wallets with the Bitcoin Keeper mobile app.