An authentication system is a security measure that confirms and verifies someone's identity to ensure they are whom they claim to be before granting them access to a system or service. Full definition
You'll be asked to upload some form of ID to verify your identity, set up a two - factor authentication system for security purposes, and select a payment method. (investinblockchain.com)
However, SMS isn't the most secure two - factor authentication system. (howtogeek.com)
I personally didn't have to use any identity authentication system, but you might have to in order to satisfy court requirements. (drive-safely.net)