The popularization of the mobile interact has given rise to demand for flexible and convenient payment methods.For China,it is necessary to keep pace with or even lead the trend of innovation and development in the age of mobile payment.From the perspective of systems engineering,this paper introduces research and implementation of China UnionPay's mobile payment project.The general requirements and core engineering problems of the mobile payment project are summarized based on analyses of the characteristics and engineering difficulties of this project.Integration of innovative technologies is introduced to resolve the contradiction between ease-of-use and security.A rapid iterative development process is adopted to improve the product release efficiency as well as the users' experience.The launch of the mobile payment project also opens the window to coordinating and upgrading the whole payment industry chains.
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