"Liquid is not that different than a fedimint or an ark. All of these solutions are trying to share the cost of a UTXO." -  nostr:npub1ey6qdmvzcgcsr883m9nspzz0mm037l26xtardzcskfsvc6gc7jssm9szvp from   nostr:npub1jugar2agq6369p0l86razavs9shj2p6pscxecevs8j94ap37hkqsjlfc28 explains some similarities and differences between Liquid, Fedimint and Ark

https://m.primal.net/KbtW.mp4