HotBit https://www.hotbit.io/
Ummm... An American whom I know uses them and has no problems withdrawing crypto.
They have HIVE/USDT and HIVE/BTC. USDT does about 6K/day volume.
They do not "allow" americans, but don't ask either...
All of that is subject to change of course :-)
Posted Using LeoFinance
I will keep that in mind should the time come, thanks for the tip!