Virtual mobile phone number for receiving SMS verification code

The possible reasons why the virtual mobile phone number receives the SMS verification code are as follows:

Virtual mobile phone number has the function of sending short messages. At present, many apps have access to the virtual number function to protect privacy and security. For example, Didi taxi, Meituan takeaway, hungry, 58 city ... provide users with a virtual number to contact at a specific time, and both parties can't see each other's real mobile phone number.

Protect privacy, and also provide recording function, which can supervise users and service providers on the platform.