unfortunately liquid is not only a graveyard and useless but it is not even a sidechain. it is just a company which collects bitcoin and issues its own coin. if liquid was a sidechain then wrapped btc on ethereum is a sidechain as well. liquid has no proof of work and they can rug you at any time. it's not more worth than a fedimint.
Discussion
Wow, I see you're completely unfamiliar with how Liquid works.
it is a federation of (by the way *unknown*) key holders where a majority has to approve if you want your real money back and where you have no way of unilateral exit. this is how fedimint works and which could be built on top of monero as well if you like this model. everything else (their blockchain without any pow which makes it meaningless) is a distraction.