Bitcoin Optech: Newsletter #273 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Robin Linus and Antoine Poinsot to discuss ⁠Newsletter #273⁠.

News

• Security disclosure of issue affecting LN (1:09)
• Payments contingent on arbitrary computation (8:15)
• Proposed BIP for MuSig2 fields in PSBTs (26:44)

Changes to services and client software

• BIP-329 Python library released (29:10)
• LN testing tool Doppler announced (30:19)
• Coldcard Mk4 v5.2.0 released (31:54)
• Tapleaf circuits: a BitVM demo (32:27)
• Samourai Wallet 0.99.98i released (34:24)
• Krux: signing device firmware (35:12)

Releases and release candidates

• Bitcoin Core 24.2rc2 (36:06)

Notable code and documentation changes

• Bitcoin Core #27255 (38:07)
• Eclair #2703 (45:54)
• LND #7267 (47:06)
• BDK #1041 (47:39)