The protocol for interacting with an exchange to trade for fiat isn't decided by the protocol. You just don't get to find out if you've been scammed by trustin

The protocol for interacting with an exchange to trade for fiat isn't decided by the protocol. You just don't get to find out if you've been scammed by trusting your exchange to do what it said it did until it's too late. Trust is still required, but there's no governance to back it up.