Bitcoin Optech: Newsletter #369 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Bruno Garcia and Liam Eagen to discuss Newsletter #369.

News

● Update on differential fuzzing of Bitcoin and LN implementations (24:56)

● Garbled locks for accountable computing contracts (0:58)

Selected Q&A from Bitcoin Stack Exchange

● Is it possible to recover a private key from an aggregate public key under strong assumptions? (39:45)

● Are all taproot addresses vulnerable to quantum computing? (41:24)

● Why cant we set the chainstate obfuscation key? (45:20)

● Is it possible to revoke a spending branch after a block height? (52:09)

● Configure Bitcoin Core to use onion nodes in addition to IPv4 and IPv6 nodes? (53:45)

Releases and release candidates

● Bitcoin Core 29.1rc2 (54:22)

● Core Lightning v25.09rc4 (56:45)

Notable code and documentation changes

● Bitcoin Core #31802 (57:37)

● LDK #3979 (1:04:46)

● LND #10102 (1:06:19)

● Rust Bitcoin #4907 (1:07:04)