FIDO2 supports not only today’s two-factor authentication but also paves the way for eliminating weak password authentication, with strong single factor hardware-based authentication. The YubiKey 5 Series helps organizations accelerate to a passwordless future by providing support for the FIDO2 protocol. Users have the broadest options for strong authentication including not only two-factor authentication, but also support for single factor passwordless login and multi-factor authentication in conjunction with user touch and PIN. It offers multi-protocol support including FIDO2, Yubico OTP, OATH HOTP, U2F, PIV, and Open PGP. The YubiKey offers superior security by combining hardware-based authentication and public key cryptography to effectively defend against phishing attacks and eliminate account takeovers. Works with all known password managers, social media profiles, email accounts and many more.The YubiKey 5 Series is a hardware based authentication solution that provides superior defense against phishing, eliminates account takeovers, and enables compliance requirements for strong authentication. It is highly recommended to use two YubiKeys: one for primary use and the other as a backup. Strong security is thus combined with the convenience of one touch. The YubiKey is a key that, thanks to NFC, only needs to make brief contact with your phone or other NFC device to open applications. Use the YubiKey to add extra security to your account at exchanges or a wallet. This is less important when it comes to logging into a clothing website, but is already becoming slightly more important for social media, even more important for your email, very important for online banking and most importantly for the security of your bitcoin.

This is called 2-FA, or a second way of proving that you are authorised. That's why millions of people use an extra layer of protection. Logging in with a username and password is not nearly secure enough.

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