There was a crypto critic on Bill Maher a couple months ago and he was asked essentially that question. IIRC He suggested that there's a lot of cryptocurrency o

There was a crypto critic on Bill Maher a couple months ago and he was asked essentially that question. IIRC He suggested that there's a lot of cryptocurrency out there that is essentially not sellable - it's been stolen, stuck in dead exchanges, etc. And then there are state actors that are likely helping to prop it up.