On the other side of the coin, this 'stable channel' project can allow you to take a long position on bitcoin trustlessly via your lightning channel by offering a stable USD-value channel to a peer. https://github.com/toneloc/stable-channels https://twitter.com/tonklaus/status/1729567473102459102
I don't have much interest in keeping a USD balance on lightning, but... provide some utility to a merchant while trustlessly gaining more bitcoin exposure? My interest is piqued.
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