Ok, trading is completely unregulated. When we are talking about exchanges we are generally talking about what they are designed to do (trade) not details about

Ok, trading is completely unregulated. When we are talking about exchanges we are generally talking about what they are designed to do (trade) not details about how a small amount get USD onto their platform. Even so, these so called regulations you point to don't exist on the biggest exchanges like Bitfinex, Binance, or even Poloniex. Poloniex pulled out of states once licenses started being required to deposit USD.