Bitcoin Optech: Newsletter #331 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Anthony Towns to discuss ⁠Newsletter #331⁠.

News

• Lisp dialect for Bitcoin scripting (0:48)

Selected Q&A from Bitcoin Stack Exchange

• How does ColliderScript improve Bitcoin and what features does it enable? (43:24)
• Why do standardness rules limit transaction weight? (48:10)
• Is the scriptSig spending an PayToAnchor output expected to always be empty? (56:16)
• What happens to the unused P2A outputs? (57:13)
• Why doesn't Bitcoin's PoW algorithm use a chain of lower-difficulty hashes? (1:01:47)
• Clarification on false value in Script (1:04:38)
• What is this strange microtransaction in my wallet? (1:06:02)
• Are there any UTXOs that can not be spent? (1:09:04)
• Why was BIP34 not implemented via the coinbase tx's locktime or nSequence? (1:13:15)

Releases and release candidates

• Core Lightning 24.11rc2 (1:15:19)
• BDK 0.30.0 (1:15:49)
• LND 0.18.4-beta.rc1 (1:16:16)

Notable code and documentation changes

• Bitcoin Core #31122 (1:17:17)
• Core Lightning #7852 (1:20:25)
• Core Lightning #7740 (1:21:27)
• Core Lightning #7719 (1:22:48)
• Eclair #2935 (1:23:47)
• LDK #3137 (1:24:34)
• LND #8337 (1:26:22)