SLP99 Andrew Chow – Hardware Wallets And Bitcoin Core With HWI And PSBT

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

Andrew Chow, Bitcoin Core developer at Blockstream joins me on this episode to speak about his work on HWI – Hardware Wallet Interface and PSBT – Partially Signed Bitcoin Transactions. We focus on the advantages of PSBT and Hardware Wallet Interface in making Bitcoins consumer interface higher for customers who need to do multi sig or work together with {hardware} wallets utilizing Bitcoin Core.

We discuss:

Andrews background

Why PSBT (Partially Signed Bitcoin Transactions) is required

HWI – Hardware Wallet Interface

Output descriptors

Derivation paths

Use of PSBT for CoinBecoming a member of and Multi-Sig

Where HWI goes from right here

Andrew Chow Links and different hyperlinks mentioned in episode:

Andrew Chow Twitter:

Andrews Stack Exchange account:

Andrew Chow Twitch:

Bitcoin-Core HWI github hyperlink:


Stack Exchange – Pieter Wuille reply on output descriptors:

Output descriptors hyperlink:

Sponsor hyperlinks:


Unchained Capital:

Manning Publications (code: LIVERA for 40% off):

Stephan Livera hyperlinks:

Follow me on twitter:

Show notes and web site:

Subscribe to the podcast:

Rate and Review the podcast:

Orange Coin Good and different Merchandise @ Layer One BTC Store:

Email contact: [email protected]

SLP99 Andrew Chow - Hardware Wallets And Bitcoin Core With HWI And PSBT

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One Comment

  1. I had heard about derivation paths quite a bit , but this was a 'lightbulb moment 'for me. Thanks Steph, great interview.

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