請留意關於用户安全問題的那段:
Ouyang Liangyi, an associate professor of Peking University HSBC Business School, said third-party payment services like Alipay and WeChat Pay are not generally the root cause of QR code scams because consumers often become victims by using other mobile apps to scan fake QR codes first.
Yes, you are right, it is the security problem of 2-D barcode, nothing wrong with 支付寶和WeChat.
As I said, I think I will use fingerprint recognition technology for mobile payment.