Imagine instead of inventing and storing passwords in your head and typing them in each device. With passkeys each device generates a real, cryptographically strong password for each site and stores it in a secured part of the device. Nothing to memorize.
Sites must now to let you have many passwords so you can have many devices without needing to sync between devices like a password manager might do.
No one can guess your password and it is never reused because they are machine generated. They are protected on device by the security of your device (typically behind a pin) so if you trust your OS, it is safe (which, in effect is the same as passwords you type).
Unfortunately, the experience still sucks and shitty companies might use them to further lock people in if they end up with all their passkeys on one iphone, for example.
Imagine instead of inventing and storing passwords in your head and typing them in each device. With passkeys each device generates a real, cryptographically strong password for each site and stores it in a secured part of the device. Nothing to memorize.
Sites must now to let you have many passwords so you can have many devices without needing to sync between devices like a password manager might do.
No one can guess your password and it is never reused because they are machine generated. They are protected on device by the security of your device (typically behind a pin) so if you trust your OS, it is safe (which, in effect is the same as passwords you type).
Unfortunately, the experience still sucks and shitty companies might use them to further lock people in if they end up with all their passkeys on one iphone, for example.