Bitcoin Optech: Newsletter #230 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Ben Carman and Joost Jager to discuss Newsletter #230.

News

• Factory-optimized LN protocol proposal (2:34)
• Local jamming to prevent remote jamming (9:28)
• Monitoring of full-RBF replacements (29:17)

Changes to services and client software

• Lily Wallet adds coin selection (38:57)
• Vortex software creates LN channels from a coinjoin (41:42)
• Mutiny demonstrates LN node in a browser PoC (49:31)
• Coinkite launches BinaryWatch.org (55:02)

Selected Q&A from Bitcoin Stack Exchange

• Why is connecting to the Bitcoin network exclusively over Tor considered a bad practice? (57:46)
• Why aren't 3 party (or more) channels realistically possible in Lightning today? (1:01:38)
• With legacy wallets deprecated, will Bitcoin Core be able to sign messages for an address? (1:06:14)
• How do I set up a time-decay multisig? (1:09:07)
• When is a miniscript solution malleable? (1:11:01)

Releases and release candidates

• Bitcoin Core 24.0.1 (1:14:02)
• libsecp256k1 0.2.0 (1:14:30)
• Core Lightning 22.11.1 (1:15:26)

Notable code and documentation changes

• Bitcoin Core #25934 (1:16:24)
• LND #7159 (1:17:10)
• LDK #1835 (1:17:38)
• BOLTs #1021 (1:21:28)