In this article, we will take a big-picture look at FIDO2 and how it applies to passwordless authentication. You’ll learn about the origins of FIDO2, its advantages and disadvantages, the differences between FIDO2, FIDO, and WebAuthn, and how UAF and U2F differ. By the end of this article, you’ll have a clear understanding of how FIDO2 works, what problems it solves, whether you need FIDO2 certification, and what that certification entails.
