These keys are forged inside a single piece of hardware—your YubiKey, your Pixel’s secure chip, or your Mac’s Secure Enclave—and they never leave . Not for backup. Not for sync. Not for a friendly "hey, share this with your tablet."
Device-bound passkeys are the seatbelt of the modern web: slightly less comfortable, but you’ll be glad you used them the day someone tries to break in. device-bound passkeys
That world is here. They’re called .
Yes, losing the device becomes a bigger deal. (Backup codes or a second hardware key solve that.) And yes, it’s slightly less convenient than cloud sync. These keys are forged inside a single piece