WeChat Pay has five major security guarantees to provide users with security protection and customer service. Technical guarantee: WeChat Pay's background 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. Customer service: 7 * 24 hours customer service, coupled with WeChat customer service, timely troubleshooting for users. At the same time for the WeChat payment to open up the exclusive customer service channel, the fastest speed to respond to the user's raised questions and make processing judgment. Industry alliance: WeChat Pay, based on smartphones, will be protected by multiple cell phone security application vendors, such as Tencent Mobile Butler, which will form an industry alliance with WeChat Pay for secure payments. Security Mechanism: WeChat Pay has formed a whole set of security mechanisms and means by considering the user's psychological feelings from all aspects of the product experience. These mechanisms and means include: hardware locks, payment password verification, terminal anomaly judgment, real-time monitoring of transaction anomalies, and emergency freezing of transactions. This whole set of mechanisms will form an all-round security protection for users. Payout support: If an account is stolen or cheated, and it is verified that WeChat Pay is responsible, WeChat Pay will pay out in the first instance; for other reasons of theft or cheating, WeChat Pay will cooperate with the police and actively provide relevant proof and necessary technical support to help users recover their losses.