As with all other commissions, it is a gray zone. Actually not because the legislator, USA states that all players should play in their own country. Nobody should found until long. Legal it is only if you play directly in USA. For the reason you should also stick to the laws. Even if nothing worse happens, it may be anytime that you do not get your profits paid out. That would not be so nice. Book an inclusive holiday and fly to Cyprus if you want to get to know it.