Platform - Trade Crypto - USA allowed - Market Stop Loss

Is there a platform where you can trade crypto and set up market stop losses?
There are plenty you can use to trade crypto up and down with stop losses. Try Hugosway, Oanda, CedarFX or maybe IC Markets. They all have crypto options to trade
Yeah there are a few brokers around that allow you to trade crypto on MT4 where you can do this.
Yes, brokers that also offer cryptocurrency services usually have this option.