Abstract: The present system and method involves a multi-application terminal that comprises a memory for storing a plurality of payment and non-payment applications, a memory management unit for separating said applications in said memory. This permits said non-payment applications to exist side-by-side with said payment application without requiring additional certification. The multi-application terminal also comprises a processor for executing one or more applications, said memory management unit operable to assign a protected region within said memory to each application being executed by said processor. Said payment applications are operable to provide payment related services over a secured financial network and said non-payment applications operable are to provide non-payment related services over an open network.

Abstract: The present invention is directed to a system and method which provide authentication for electronic transactions. The present invention involves inputting smart card information from a smart card into a payment enabled device and inputting an identification number into the payment enabled device. The smart card information and the identification number are then authenticated. Payment information is then sent from a server to a desired location after authenticating the smart card information and identification number.

Abstract: A method for conducting POS transactions with a cellular POS device while remotely located from a merchant location or from a payment authorizing data processing system (DPS). In one example embodiment, a cellular telephone point-of-sale device includes a mobile cellular telephone having a housing for an integrated display, keypad and communications unit. The communications unit includes a communications processor arrangement, a card reading device configured and arranged to receive customer-specific financial account data from a customer identification card and an application specific circuit arrangement coupled to the card reading device. The processor arrangement is adapted to be programmed to verify the integrity of a sales transaction using the customer-specific financial account data.