Still need to convert USD into crypto. Who will do that?
So a ripe target for regulation? You may not remember the Nixon shock, but overnight gold was devalued and the target of enforcement was on conversion from gold to USD. All it takes is a very heavy handed law to collapse a delicate single point of failure
To shut this down you need to shut down our darling Coinbase because the rest of this can be done completely anonymously with smart contracts.