Bitcoin Optech: Newsletter #326 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Elle Mouton and Andrew Toth to discuss Newsletter #326.

News

• Updates to the version 1.75 channel announcements proposal (1:36)
• Draft BIP for sending silent payments with PSBTs (16:28)

Selected Q&A from Bitcoin Stack Exchange

• Duplicate blocks in blk*.dat files? (30:07)
• How was the structure of pay-to-anchor decided? (32:45)
• What are the benefits of decoy packets in BIP324? (36:38)
• Why is the opcode limit 201? (39:20)
• Will my node relay a transaction if it is below my minimum tx relay fee? (40:31)
• Why doesn't the Bitcoin Core wallet support BIP69? (42:09)
• How can I enable testnet4 when using Bitcoin Core 28.0? (44:50)
• What are the risks of broadcasting a transaction that reveals a `scriptPubKey` using a low-entropy key? (47:33)

Releases and release candidates

• Core Lightning 24.08.2 (52:12)

Notable code and documentation changes

• Eclair #2925 (52:56)
• LND #9172 (53:37)
• Rust Bitcoin #2960 (55:47)