A system providing support for user transactions in a media exchange network is disclosed. An embodiment of the present invention may comprise a television display, storage, and a set top box, and may provide an interface device for receiving from a user associated authorization device, information for authorizing user transactions via a communication network. A user transaction may comprise the exchange, purchase, storage, or consumption of media such as, for example, audio, still images, video, and data. The communication network may comprise, for example, a cable infrastructure, a digital subscriber line infrastructure, a wireless infrastructure, and may be the Internet. The system may provide for the completion of the user transaction without divulging the identity of the user to a vendor.