
In short, they are a one stop solution to all of it.

They work beautifully, without driver install, on Windows, Linux, MacOS and even Android and ChromeOS. Because of the hardware capacitive button, leaving them plugged in permanently is not a security risk, as even nation state actors who own your computer cannot physically activate the token. They can speak gnuk and ed25519, and thus can do the crypto for all your SSH logins and gpg, including git commits. I won't mince my review of these: these are by far and away the best USB hardware crypto tokens I have every used. Multi-protocol support: The YubiKey USB Authenticator supports NFC and offers multi-protocol support including FIDO (U2F, FIDO2), Yubico OTP, OATH-TOTP, OATH-HOTP, smart card (PIV), OpenPGP, as well as the ability to respond to challenge to ensure strong hardware-based authentication.The YubiKey 5C Nano USB is designed to protect your online accounts from phishing and account takeovers Durable and safe: Extremely durable and safe: YubiKeys are tamper-proof, waterproof and kink resistant.Thanks to the extremely compact design, the security key can remain in the port to ensure a secure connection anywhere Suitable for USB-C ports: Once registered, each service in the future will ask you to plug the YubiKey PC security key into a USB-C port and tap on it to gain access.Secure your login and protect your Gmail, Facebook, Dropbox, Outlook, LastPass, Dashlane, 1Password accounts and more FIDO: The YubiKey 5C Nano is FIDO certified and supports Google Chrome and any other FIDO-compliant application on Windows, Mac OS or Linux.Security key: Protect your online accounts from unauthorised access with two-factor authentication with the Yubico YubiKey 5C Nano security key: the world's most powerful USB security key that supports more Internet services and apps than any other.
