Why does Pinduoduo on Android phone need SMS verification when paying?

To open the shortcut of Pinduoduo payment, you only need the verification code. Pinduoduo platform supports Alipay WeChat and many wallets, and all major bank cards can be bound to complete payment. When choosing Alipay or WeChat payment on Pinduoduo, he will prompt that products with a price above 100 yuan can be paid intensively and quickly, and confirm directly according to the points he prompts. When the secret payment function is enabled, the verification code will be sent, and the verification code point can be directly entered, so the fast payment in Pinduoduo needs to be completed through the verification code.