What are the benefits? Compered to LN and on chain multi Sig setup up?
https://blockstream.com/img/logos/liquid.svg
By now, having a Green wallet and using Liquid is no longer an option but a necessity.
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Discussion
The advantages compared to lightning is being able to pay amounts over 1M sats without any problems and compared to bitcoin on-chain besides the speed of confirmation the fees are very low.
With a service like Sideswap you don't even need to own them first to send them: