I have written a post about a proposed solution to fix UTXO probing attacks in joinmarket: https://uncensoredtech.substack.com/p/liquidity-pools-in-joinmarket

It uses MuSig, adaptor signatures and CHECKTEMPLATEVERIFY to swap UTXOs off-chain.

Cc: nostr:npub1w3vaxva0vcrx7pnvlpmede5smvafdl69xnu7ma82kaxl9us89zdsht4c5c nostr:npub1vadcfln4ugt2h9ruwsuwu5vu5am4xaka7pw6m7axy79aqyhp6u5q9knuu7