.com vs .us

I don't perceive. How come the rest of the world can trade choices with binance.com however the USA is barred from investing in futures/options towards the identical foreign money for instance Bitcoin. Wouldn't this result in further investment problems as america is excluded from Shorting a position and is restricted to value trading whereas the remainder of the world might probably manipulate the market with such choices? Or am I simply all improper and it doesn't affect something simply because it isn't SEC regulated. I feel like China has an unfair advantage over the USA due to this