A) the most revolutionary venture of this century
B) the largest Ponzi scheme ever
https://en.wikipedia.org/wiki/Ponzi_scheme
However, it could also simply be a huge pile of money getting burned, with a few useful innovations made along the way.
I would venture to say that is the most likely outcome, actually, although I prefer A) to happen, of course.
A) the most revolutionary venture of this century
B) the largest Ponzi scheme ever