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

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 (PSBT) (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)