Andrew Chow joins us to discuss Bitcoin Core wallet development, PSBT, Output Descriptors, and HWI.

anchor.fm

We cover:

• Why do we need a wallet in Bitcoin Core? (0:58)
• Refactoring the Wallet codebase to build Output Descriptors (5:59)
  • Should we rewrite the wallet? (10:30)
  • Changes to Coin Selection (11:35)
• Wallet interoperability (17:10)
  • Hardware Wallet Integration (HWI) (18:20)
  • Partially Signed Bitcoin Transactions (PSBTs) (19:01)
• Becoming Maintainer (22:06)
• Tracking the UTXO pool (23:43)
• Main components of the Bitcoin Core Wallet (26:00)
• Who uses Bitcoin Core Wallet? (27:02)
  • Survey Results
• What’s the future of the GUI? (29:21)
  • Bitcoin Core GUI
  • Bitcoin Core GUI-QML
• Switch to Descriptor-based wallets (32:52)