Someone else made the point about the funds being held in escrow. In other words, they are locked down programmatically by the contract. You can also define an

Someone else made the point about the funds being held in escrow. In other words, they are locked down programmatically by the contract. You can also define an "else" clause which can define the consequences that will happen in the case of a violation, for example the subject's status rating will go down or the contract will be taken to arbitration (you will be able to name witnesses in advance).