1. A system, comprising: storage including at least one privacy preference relative to at least one user identity; an editor, responsive to user selections that indicate at least one preference-related input that relates to the at least one user identity, the editor to: generate at least one privacy preference based on the user selections wherein the user identity is represented by at least one information card used in an online transaction with a relying party; and determine a privacy preference for each category; an engine, operatively connected to the storage, the engine configured to perform an evaluation using the at least one privacy preference of any category that references at least one required attribute; and a host computer to evaluate the at least one privacy preference against a privacy policy associated with the online transaction and obtained from the relying party; wherein the host computer provides the at least one information card that represents the user identity to the relying party.