That part we kind of figured out, maybe it's ok, albeit super slow and power intensive, but let's put that aside for a while.
But is there a solid mathematical and cryptographical basis for everything else layered on top? I don't get that impression, it just looks like they're just plugging gaping holes because there's a gold rush to be continued!
If they're just rebuilding a crappier version of the global financial system, there's no point in the rest of us following them.