Also, under the covers I think the new WoS is using "Spark" to claim that it is self-custody. There is some debate about this claim -- https://stacker.news/items/1020261 -- I don't pretend to have the correct answer, but there is definitely some debate about it... (*also Spark requires that David Marcus not spill coffee on his servers, since Lightspark is the only company running a "spark operator")...