We continue the conversation with Pieter Wuille and Tim Ruffing and Nesting, ROAST, Half-Aggregation, Adaptor Signatures, atomic swaps and more.

If you have not tuned into the first part of this conversation, we recommend listening to that one first.

We cover:

- Nesting (00:49)

- ROAST (12:09)

- Cross-input Signature Aggregation (18:49)

- Half-aggregation (34:32)

  - Half-Aggregation of BIP 340 Signatures and BIP340

- Adaptor signatures and atomic swaps (39:32)

Further resources:

• Stephan Livera Podcast #400 Jonas Nick and Tim Ruffing - Half Signature Aggregation