Bitcoin Optech: Newsletter #291 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Richard Myers, Rijndael, Luke Dashjr, and Jason Hughes to discuss Newsletter #291.

News

• Trustless contract for miner feerate futures (1:31)
• Coin selection for liquidity providers (7:18)
• Simple vault prototype using `OP_CAT` (21:15)
• Sending and receiving ecash using LN and ZKCPs (44:44)

Selected Q&A from Bitcoin Stack Exchange

• Why can't nodes have the relay option to disallow certain transaction types? (49:41)
• What is the circular dependency in signing a chain of unconfirmed transactions? (53:28)
• How does Ocean’s TIDES payout scheme work? (34:02)
• What data does the Bitcoin Core wallet search for during a blockchain rescan? (57:57)
• How does transaction rebroadcasting for watch-only wallets work? (59:37)

Releases and release candidates

• Core Lightning 24.02 (1:02:20)

Notable code and documentation changes

• LDK #2770 (1:04:20)