How do 2FA code generating applications work?

In today's digital world, online security is becoming increasingly important, and one of the tools that enhances the protection of our online accounts is two-factor authentication (2FA). The article explains what 2FA is, how it works, and why it is worth implementing in our daily lives. By using an additional authentication element, the security does not rely solely on a password. Regardless of how strong our password is, 2FA adds an extra layer of protection. The text introduces various methods of 2FA, including code-generating apps, as well as SMS and email as means of receiving codes. The article highlights both the advantages and disadvantages of each method, which is essential for making an informed decision about security measures.