Nowadays, this 2FA has become a standard application by businesses throughout the world. Why? Because SMS verification is the most convenient and cost-friendly method for identity verification. That’s why businesses use SMS verification methods everywhere.
For the user, in this way, your identity has been proved twice, one on your password and one on your verification code, which is called 2-factors-authentication, and thus your privacy is better protected.
Normally a verification code is a short digit number, normally four or six digits, and you need to input the code on the website or the app. Nowadays people are already quite familiar with this method.
The text message was invented in 1984, which has been more than 3 decades till now. With more people on the planet owning cellphones, the text message has been used in many business fields. SMS messaging is a powerful tool for business.