Andrew Chow, Bitcoin Core developer at Blockstream joins me in this episode to talk about his work on HWI - Hardware Wallet Interface and PSBT - Partially Signed Bitcoin Transactions. We discuss the benefits of PSBT and Hardware Wallet Interface in making Bitcoin’s user interface better for users who want to do multi sig or interact with hardware wallets using Bitcoin Core.
Andrew’s background
Why PSBT (Partially Signed Bitcoin Transactions) is needed
HWI - Hardware Wallet Interface
Output descriptors
Derivation paths
Use of PSBT for CoinJoining and Multi-Sig
Where HWI is going from hereAndrew Chow Links and other links discussed in episode:
Andrew Chow Twitter: https://twitter.com/achow101
Andrew’s Stack Exchange account: https://bitcoin.stackexchange.com/users/48884/andrew-chow
Andrew Chow Twitch: https://www.twitch.tv/achow101
Bitcoin-Core HWI github link: https://github.com/bitcoin-core/HWI
PSBT: https://github.com/bitcoin/bitcoin/blob/master/doc/psbt.md
Stack Exchange - Pieter Wuille answer on output descriptors: https://bitcoin.stackexchange.com/a/89281
Output descriptors link: https://github.com/bitcoin/bitcoin/blob/master/doc/descriptors.md
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