Stephan Livera Podcast

SLP99 Andrew Chow - Hardware Wallets and Bitcoin Core with HWI and PSBT

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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. 

We talk:

  • 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 here

    • Andrew 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 

      • Sponsor links:

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      • Manning Publications (code: LIVERA for 40% off): http://mng.bz/07rW

        • Stephan Livera links:

        • Follow me on twitter: https://twitter.com/stephanlivera 
        • Show notes and website: https://stephanlivera.com/ 
        • Subscribe to the podcast: https://anchor.fm/stephan-livera/ 
        • Rate and Review the podcast: https://itunes.apple.com/podcast/stephan-livera-podcast/id1415720320?mt=2 
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        • Email contact: [email protected] 
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