Fidelity Bonds - What's the Key?

If you want to blow your mind, save two exchanges, two citadels. Fidelity bonds is a really interesting construct. You lock up a certain amount of big coin for a cern amount of time as approvable sacrifice. So there's an implicit incentive to not try to screw you out of a certain round of money. The key to the fidelity bond mechanism is if you have a high reputation score and get selected more than ten makers with ten bit coin in it.