Bitcoin Optech: Newsletter #351 Recap

What this episode covers

Mark “Murch” Erhardt and Mike Schmidt are joined by Jonas Nick and Salvatore Ingala to discuss Newsletter #351.News● Interactive aggregate signatures compatible with secp256k1 (0:50) ● Standardized backup for wallet descriptors (21:34) Selected Q&A from Bitcoin Stack Exchange● Practicality of half-aggregated schnorr signatures? (17:16) ● What's the largest size OP_RETURN payload ever created? (41:17) ● Non-LN explanation of pay-to-anchor? (43:29) ● Up-to-date statistics about chain reorganizations? (48:08) ● Are Lightning channels always P2WSH? (52:33) ● Child-pays-for-parent as a defense against a double spend? (53:40) ● What values does CHECKTEMPLATEVERIFY hash? (59:06) ● Why can't Lightning nodes opt to reveal channel balances for better routing efficiency? (59:32) ● Does post-quantum require hard fork or soft fork? (1:02:27) Releases and release candidates● LND 0.19.0-beta.rc3 (1:07:39) Notable code and documentation changes● Bitcoin Core #31247 (1:07:58) ● LDK #3601 (1:10:14)

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Frequently Asked Questions

How long is this episode of Bitcoin Optech Podcast?

This episode is 1 hour and 11 minutes long.

When was this Bitcoin Optech Podcast episode published?

This episode was published on April 30, 2025.

What is this episode about?

Mark “Murch” Erhardt and Mike Schmidt are joined by Jonas Nick and Salvatore Ingala to discuss Newsletter #351.News● Interactive aggregate signatures compatible with secp256k1 (0:50) ● Standardized backup for wallet descriptors (21:34) Selected Q&A...

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