Bitcoin Optech: Newsletter #361 Recap

Bitcoin Optech Podcast

Sanket Kanjalkar, Jonas Nick, Tadge Dryja, Steven Roose, and Brandon Black join Mark “Murch” Erhardt and Mike Schmidt to discuss Newsletter #361.

News

● Separating onion message relay from HTLC relay (2:06)

Changing consensus

● CTV+CSFS advantages for PTLCs (5:45)

● Vault output script descriptor (15:21)

● Continued discussion about CTV+CSFS advantages for BitVM (22:57)

● Open letter about CTV and CSFS (27:59)

● OP_CAT enables Winternitz signatures (1:12:27)

● Commit/reveal function for post-quantum recovery (1:22:46)

● OP_TXHASH variant with support for transaction sponsorship (1:53:31)

Notable code and documentation changes

● Bitcoin Core #32540 (2:13:29)

● Bitcoin Core #32638 (2:14:47)

● Bitcoin Core #32819 (2:15:25)

● LDK #3618 (2:17:41)