[CositaS]

I keep seeing discussions of this include something like 'but it will all be moving to proof of stake soon', which seems to me a bit like arguing for how green air travel is by saying we'll have solar powered airplanes soon. A lot of faith seems to be being placed in an unproven advance, which if it is really possible at all (and that's a much bigger if than many acknowledge), would introduce all sorts of new problems.