Bitcoin Optech: Newsletter #290 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, callebtc, Chris Stewart, Fabian Jahr, and Pierre Corbin to discuss ⁠Newsletter #290⁠.

News

• DNS-based human-readable Bitcoin payment instructions (1:41)
• Thinking about mempool incentive compatibility (9:50)
• Cashu and other ecash system design discussion (29:15)
• Continued discussion about 64-bit arithmetic and `OP_INOUT_AMOUNT` opcode (39:52)
• Improved reproducible ASMap creation process (49:17)

Changes to services and client software

• Multiparty coordination protocol NWC announced (1:11:00)
• Mutiny Wallet v0.5.7 released (1:19:07)
• GroupHug transaction batching service (1:19:48)
• Boltz announces taproot swaps (1:22:43)

Releases and release candidates

• Core Lightning 24.02rc1 (1:24:07)

Notable code and documentation changes

• Bitcoin Core #27877 (1:24:58)
• BOLTs #851 (1:29:00)