Stamp service platform providing network/infastructure to user terminals(including customer and merchant) and stamp service server interworking between the server and its user terminals

PURPOSE: A stamp service providing network, a user terminal for connection with the same, and a server thereof are provided to enable a user to access the user terminal with a wireless communication function to a stamp device, thereby accumulating stamps of a member store visited by the user. CONSTITUTION: A stamp device(100) is operated in a member store visited by a user. The stamp device uses wireless communication. A user terminal(110) includes a wireless communication module. The user terminal senses whether or not the stamp device accesses the wireless communication module. A stamp server(130) receives a stamp accumulation request for the member store of the user from the user terminal. [Reference numerals] (100) Stamp device; (120) Communication network; (130) Stamp server; (20) Accumulation request; (30) Accumulation notification; (AA) Accumulation; (BB) Close-field communication(member store DB, authentication key transmission)