US Patent 9704327 Multi-function transaction device

A mobile communication device may include one or more devices configured to: receive, from a server, identity information corresponding to transaction information stored on the server, the transaction information being associated with at least one transaction completed between the mobile communication device and a user device; send, to a transaction device, the identity information to establish a communication session to conduct a transaction between the transaction device and the mobile communication device; and receive, from the transaction device, a payment request associated with the transaction between the transaction device and the mobile communication device, and generated using the transaction information provided by the server.