Why should I fill in the mobile phone verification code for the music friend applet?

The verification code is used to verify identity. According to the information of Leyoujia official website, I need to provide my mobile phone number and verify my identity by sending SMS verification code. Leyoujia was established in 2008 and is affiliated to Shenzhen Leyoujia Holding Group. Business covers second-hand housing sales, housing leasing, project planning, new house agency, artificial intelligence, asset management, financial services and other fields. To build an online and offline integrated E2E intelligent ecosystem.