Bitcoin Optech: Newsletter #412 Recap

<p>Mark “Murch” Erhardt and Mike Schmidt are joined by Conduition and Jeremy Rubin to discuss <a href="https://bitcoinops.org/en/newsletters/2026/07/03/">Newsletter #412</a>.</p><p><br></p><p><strong>Changing consensus</strong></p><p>● Benchmarking SLH-DSA STARK aggregation (1:05) </p><p>● Bird of Prey 2 (BoP-2) non-malleable schnorr and PQ signatures (10:21) </p><p>● Lattice-based signatures (19:41) </p><p>● Public key recovery for P2MR EC leaves (25:50) </p><p>● Aligning privacy incentives in P2MR (30:48) </p><p>● Prohibit merkle internal node preimages that encode minimal 64-byte transactions (49:38) </p><p>● Triggering EC disabling with a NUMS point spend or hashrate majority (37:36) </p><p><br></p><p><strong>Releases and release candidates</strong></p><p>● Bitcoin Core 31.1rc1 (1:32:43) </p><p>● Bitcoin Core 30.3rc1 (1:32:48) </p><p>● Bitcoin Core 29.4rc1 (1:32:52) </p><p>● Core Lightning v26.06.2 (1:36:01) </p><p>● LND v0.20.2-beta.rc1 (1:36:39) </p><p>● LND v0.21.1-beta (1:38:10) </p><p>● LDK v0.2.4 (1:38:57) </p><p><br></p><p><strong>Notable code and documentation changes</strong></p><p>● Bitcoin Core #35266 (1:40:00) </p><p>● Bitcoin Core #35550 (1:41:10) </p><p>● Bitcoin Core #35610 (1:42:15) </p><p>● BIPs #2196 (1:43:52) </p><p>● BIPs #2165 (1:47:46) </p><p>● BIPs #2201 (1:50:13) </p><p>● LND #10900 (1:51:20) </p><p>● LND #10927 (1:52:37) </p><p>● LDK #4748 (1:54:13) </p>