By the buyer the seller's info can be verified from the register. Unable to trust the seller is registered, because if there is a problem, the buyer can verify. Track vendor information and used in litigation.
The buyer can check the seller of registration. Able to trust the seller is registered to the buyer if the problem can be investigated. Track and vendor information is used in litigation.
The buyer can check the vendor information from the register. Can be entrusted with the sellers who are registered as if a problem the buyer can check. Tracking and data vendors used in litigation.