This is how we do arbitration in OpenBazaar. Users can offer their services as arbitrators and compete on terms, price, and reputation. When a buyer makes a pur

This is how we do arbitration in OpenBazaar. Users can offer their services as arbitrators and compete on terms, price, and reputation. When a buyer makes a purchase they can choose one from a list of ones pre-approved by the seller. Then funds are sent to a 2-of-3 multisig address where each of the parties has 1 key.