Abstract: Provided are a method and apparatus for managing a terminal. The method of managing a terminal may include obtaining a variable identification value of a first user terminal, generating a first user terminal group including the first user terminal based on an identification value of a first user, and mapping variable identification values of one or more user terminals included in the first user terminal group to the identification value of the first user and mapping user information obtained from an external device to the identification value of the first user.
Abstract: A method of processing data using transaction information includes a user terminal detecting context data related to transaction data through one of a sensor unit and a communication unit, the user terminal generating transaction-context data regarding a transaction, taking into account the context data related to the transaction data, the user terminal generating processed transaction data based on the transaction-context data, and the user terminal outputting the processed transaction data through an output unit.