The government has banned file sharing, marijuana, prostitution, etc., and all those things still occur at billions of dollars of value scale. They occur becaus

The government has banned file sharing, marijuana, prostitution, etc., and all those things still occur at billions of dollars of value scale. They occur because those transactions derive value for participating parties. Any nation state that bans crypto assets just pushes development and innovation out to the more accepting countries. And so you have game theory against other competing nation states, where if you ban it and they don't, capital flight occurs and you end up losing in the long run.