US Patent 9680942 Data verification using access device

An embodiment of the invention is directed to a method comprising receiving, at a server computer, information for a portable device that includes a mobile device identifier and storing, by the server computer, the information for the portable device that includes the mobile device identifier in a database associated with the server computer. The method further comprising receiving, by the server computer, transaction data from an access device for a transaction conducted at the access device, determining, by the server computer, from the transaction data that the transaction is associated with the portable device, determining, by the server computer, a location of the access device, determining, by the server computer, a location of a mobile device associated with the mobile device identifier, determining, by the server computer, that the location of the mobile device matches the location of the access device, and marking, by the server computer, the stored information for the portable device as authentication verified.