What are qq and WeChat used for?

Mobile phone number verification service. QQ and WeChat are mainly used for businesses that need to verify mobile phone numbers, such as registering websites, applications and social media. These services usually require users to enter their mobile phone numbers for verification, so as to ensure the authenticity of users' identities and information. In the verification process, code receiving software can help users to generate a virtual mobile phone number to receive SMS verification codes, thus protecting users' real mobile phone numbers from being leaked. With the popularity of the Internet and the extensive use of mobile devices, the application scope of code receiving software is becoming more and more extensive. In addition to QQ and WeChat, there are also some special code receiving software, such as code receiving artifacts and short message cats.