| 摘要 |
Disclosed is a method which can be utilized to transmit a priced-certificate to a user of a mobile communication device, and verify and exchange the priced-certificate at a specific transaction site visited by the users of mobile communication device. The method is realized by means of at least a back-stage server device, a plurality of front-stage devices at the transaction site, and the priced-certificate itself. The priced-certificate is sent directly into the mobile communication device by the back-stage server device in an active manner, or it is downloaded into the mobile communication device by the user in a passive manner. The priced-certificate is provided with the built-in modules of program codes and verification information. As such, in a specified period of time, the priced-certificate of the mobile communication device may by input by the user through the front-stage device located at a specific transaction site, and verified by the back-stage server device on-line real-time by making use of the communication connection between them. Thus, realizing the exchange of the priced-certificate in a safe and counterfeiting manner.
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