It seems to be not very useful as a currency (transaction costs are surging, it's slow, can't scale, etc etc) and instead has proven much more useful as a vehic

It seems to be not very useful as a currency (transaction costs are surging, it's slow, can't scale, etc etc) and instead has proven much more useful as a vehicle for every sketchy investment scheme you can imagine. I think blockchain as an idea is more valuable than Bitcoin as an idea. But that's me.