Bitcoin Optech: Newsletter #391 Recap

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Toby Sharp, Chris Hyunhum Cho, Jonas Nick, and Antoine Poinsot to discuss ⁠Newsletter #391⁠.

News

● A constant-time parallelized UTXO database (25:40)

● Bithoven: A formally verified, imperative language for Bitcoin Script (44:48)

● Discussion of dust attack mitigations (1:43:33)

Changing consensus

● SHRINCS: 324-byte stateful post-quantum signatures with static backups (1:30)

● Addressing remaining points on BIP54 (1:10:08)

● Falcon post-quantum signature scheme proposal (20:05)

● SLH-DSA verification can compete with ECC (23:28)

Releases and release candidates

● LDK 0.1.9 (1:50:27)

Notable code and documentation changes

● Bitcoin Core #33604 (1:53:10)

● Bitcoin Core #34358 (1:54:58)

● Core Lightning #8824 (1:56:20)

● Eclair #3244 (1:58:17)

● LDK #4263 (2:00:07)

● LDK #4300 (2:01:54)

● LND #10473 (2:03:57)

● Rust Bitcoin #5493 (2:07:36)