Great question - The money is traded for a stable coin and then moved into a lending protocol to earn interest. Once the user needs the money, we give them back the amount needed plus some interest earned.
So your service is basically an investment firm. Since you are dealing with real value, you better haver all your legal ducks in a row.
After you prove all your licensing, registrations, etc - then you can prove your history in making profits trading.
Now that you know how much work this is going to be before anyone sends you anything, are you still interested?