You get to keep only enough to maintain a very modest lifestyle in a low-cost-of-living area, the rest of it has to go towards improving the world in some way.
Edit: Given the previous rules that you must maintain a very modest lifestyle in a low-cost-of-living area, would you rather choose to opt out and not have the money at all?
Yeah, one thing the Trump admin has taught me is that our constitution actually doesn’t mean shit. Not to us as American citizens and not to the government that swore to uphold it. We’ve all just been pretending to care about it until someone with a god complex decided to challenge us.