Bitcoin Optech: Newsletter #299 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Gregory Sanders to discuss ⁠Newsletter #299⁠.

News

• Weak blocks proof-of-concept implementation (0:56)


• BIP editors update (20:08)

Selected Q&A from Bitcoin Stack Exchange

• Where exactly is the off-by-one difficulty bug? (26:44)


• How is P2TR different than P2PKH using opcodes from a developer perspective? (32:10)


• Are replacement transactions larger in size than their predecessors and than non-RBF transactions? (34:15)


• Are Bitcoin signatures still vulnerable to nonce reuse? (36:59)


• How do miners manually add transactions to a block template? (39:48)

Releases and release candidates

• LND v0.17.5-beta (41:40)

Notable code and documentation changes

• Bitcoin Core #29850 (46:35)