seems liquid will arrive on boltz if is incorporated in usdt0...
https://x.com/Boltzhq/status/2034402486035825058?s=20liquid support in usdt0 is unlikely because usdt0 uses layerzero smartcontract interoperability while liquid is a btc sidechain without EVM / crosschain messaging.
it would require a custom bridge so integration depends on tether’s decision rather than technical compatibility