Bitcoin Optech: Newsletter #283 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Niklas Gögge, Antoine Riard, Abubakar Sadiq Ismail, Gloria Zhao, Salvatore Ingala, Johan Torås Halseth and SeedHammer Team to discuss Newsletter #283.

News

• Disclosure of past LND vulnerabilities (2:07)
• Fee-dependent timelocks (25:09)
• Cluster fee estimation (8:32)
• How to specify unspendable keys in descriptors (17:48)
• V3 transaction pinning costs (34:14)
• Descriptors in PSBT draft BIP (48:19)
• Verification of arbitrary programs using proposed opcode from MATT (57:52)
• Pool exit payment batching with delegation using fraud proofs (1:04:59)
• New coin selection strategies (1:14:36)

Releases and release candidates

• Core Lightning 23.11.2 (1:17:57)
• Libsecp256k1 0.4.1 (1:18:14)

Notable code and documentation changes

• Bitcoin Core #28349 (1:19:06)
• Core Lightning #6957 (1:20:21)
• Core Lightning #6869 (1:21:15)
• Eclair #2796 (1:21:47)
• Eclair #2787 (1:22:23)
• LDK #2781 (1:23:14)
• LDK #2723 (1:24:16)
• BIPs #1504 (1:25:00)