EPISODE · Jul 10, 2025 · 2H 19M
Bitcoin Optech: Newsletter #361 Recap
from Bitcoin Optech Podcast · host Bitcoin Optech
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)
What this episode covers
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)
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Bitcoin Optech: Newsletter #361 Recap
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