1. Authentication: The ID number is the only important information to identify an individual. By requiring users to enter their ID numbers, Alfa can verify their identities and ensure that only legitimate users can use the platform and provide corresponding services.
2. Security: Requiring users to enter their ID numbers can enhance the security of the platform. The ID number is sensitive information and needs to be protected. By verifying the identity of users, Alfa can better prevent identity theft, fraud and other security risks.
3. Legality and compliance: According to the requirements of local laws and regulations, some financial or investment platforms need to verify the identity information of users. This is to ensure that the platform operates within a legal and compliant framework and complies with anti-money laundering (AML) and know your customer (KYC) regulations.