Josibake joins us to talk about his work on the Bitcoin Core wallet, bitcoin data and onboarding to bitcoin development.

We discussed:

- Analyzing historical transaction data (1:25)

- Creating a publicly available dataset (4:12)

- What could it be used for? (7:30)

- Bitcoin Core wallet (9:00)

- Why have a wallet in Bitcoin Core? (10:00)

- Separation of GUI from wallet (12:35)

- Only use one input type when building transaction (13:40)

- PR #24584 in Bitcoin Core

- How is working on the wallet? (17:15)

- Cross-input signature aggregation (19:48)

- Catching up on history (20:40)

- Writing the BIP with Hackspec (22:05)

- Thoughts on shipping cross-input signature aggregation separately (22:50)

- Onboarding to Bitcoin development (28:35)

- Running the seminar with friends (29:55)

- Giving back to open source (31:20)