Is it true that someone added me an anonymous message?

Those who add anonymous messages to their friends are liars. The purpose is to cheat your trust by fabricating anonymous friends and achieve some ulterior motives.

Telecom fraud refers to the criminal act of fabricating false information and setting up a scam by telephone, internet, SMS, etc., to induce victims to make money or transfer money in a long-distance and non-contact way. Usually, the purpose of cheating is achieved by impersonating others and forging various legal coats and forms, such as impersonating public security law, commercial company manufacturers, state organ staff, bank staff and other institutions, forging and impersonating recruitment, billing, loans, mobile phones and so on.