A system for providing reputation information includes a relying party programmed to receive a security token including a claim with reputation information associated with a party, and the relying party is further programmed to utilize the reputation information when deciding whether to transact with the party. A method of providing reputation information includes receiving a request for information from a party, requiring the party to provide reputation information, receiving the reputation information in a claim of a security token, and using the reputation information to decide whether to transact with the party. Another method of providing reputation information includes requesting reputation information associated with a online service from a claims authority, receiving the reputation information in a claim of a security token, and using the reputation information to decide whether to transact with the online service.