Prop trading firms give traders the opportunity to access funded accounts and trade with much larger sums of money than they could otherwise access.
FXIFY
Not risking more than you can afford to lose is the key to making sure you are profitable over the long term when trading forex.
Prop firms are adding futures. Is it because of regulation? Do they just want more products? And should you even take US clients anyway?
If you were to start a broker today, it seems like it would be best to start an offshore broker for EMs and then do prop for Europe and the UK.