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)