It's easy. If you give me custody of a billion dollars, I will immediately fly to Vegas and put it all on red. If I win, I keep the money. If I lose... You'll

It's easy. If you give me custody of a billion dollars, I will immediately fly to Vegas and put it all on red. If I win, I keep the money. If I lose... You'll have a problem a few years down the road, when you try to withdraw. Every one of the allergic-to-sunlight exchanges has a huge incentive to do what I described.