Who's permission do you need to be allowed to accept $10 in cash? I mean there are regulations but that is usually not related directly to the cash payment itself but rather that you know you might need to pay taxes or there is regulation that you can't commit terrorist acts and you know that could be the blocker but then it's not really the cash payment that is needing permission. And again, nothing that Bitcoin or other crypto is solving because you still would have to have the same kind of permission or just not care about the permission but you can do that with cash too.