Also, the main difference is OTC vs Centralized markets. True that Fx offer mini lot size for mini account. The leverage as well is higher with Fx. No ? And futures are forwards. Fx is spot. ...
Indeed ... and this (together with the availability of ludicrously dangerous leverage) attracts huge numbers of people who arguably shouldn't be trading with real money at all, and they use counterparty market-makers instead of genuine brokers (but they call them "brokers", and are often even unaware of the difference between the two, and its significance!). From my own perspective, the most significant difference between the two is the availability of volume bars/candles to trade forex futures. I'm sorry to hear it. Someone has to nitpick in a thread like this. Maybe I'll take on that role, then, since I'm so pedantic to start with ...
The counterparty risk is a zillion times high in Forex. A futures trade has the clearinghouse as your counterparty.