WeChat Pay is a payment function integrated in the WeChat client, which allows users to complete a fast payment process through their cell phones. WeChat Pay is based on the fast payment of bound bank cards, providing users with safe, fast and efficient payment services. Since November 23, 2017, the WeChat payment service function has been running online on the 12306 website of China Railway Customer Service Center.
Technical guarantee: WeChat Pay backstage is supported by Tencent's big data, and the massive amount of data and cloud computing can promptly determine whether the user's payment behavior is at risk. The full range of identity protection based on big data and cloud computing maximizes the security of user transactions. At the same time, WeChat secure payment authentication and reminder, technically guarantee the security of each link of the transaction.