You can sync it across all your devices using iCloud Keychain.

Once you enable the feature for a website or an app, the passkey will be stored on the computer or phone you used to set it up. While this feature doesn't involve a USB stick, it relies on your device to authenticate. This new authentication technology relies on Touch ID and Face ID to authenticate users without having to enter a password. Passkeys is Apple's version of the security key to ensure a fast and secure authentication method. Unlike other YubiKeys, the Nano key isn't crush-resistant and doesn't work with mobile devices. The YubiKey 5 Nano comes in USB-A & USB-C form factors and supports various security protocols, including OTP, FIDO U2F, OpenPGP, OATH-TOTP, & -HOTP.

YubiKey 5 Nano If you're looking for a compact hardware security key around, this should be it.

Unfortunately, the Bio series doesn't work with LastPass, which may be a dealbreaker for some users.

The key comes in USB-A and USB-C form factors and supports U2F and FIDO2. You can set up a PIN and use it when biometrics aren't supported. The key stores your biometric information in a separate secure element using a three-chip architecture. YubiKey C Bio The YubiKey C Bio is one of the few keys featuring biometric authentication.The YubiKey 5 NFC also supports many security protocols, including OpenPGP, FIDO U2P, OTP, and Smart Card. YubiKey 5 NFC The YubiKey 5 NFC is a compact, lightweight, and durable key and is compatible with many services, including Facebook, Google Chrome, Dropbox, LastPass, and more.The company offers security keys that cater to a wide range of users, from individual home users and developers to businesses and large enterprises. Yubico is the industry leader when it comes to hardware security keys.

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