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.
That world is here. They’re called .
Because even if a hacker steals your laptop’s hard drive, breaks into your password manager, or tricks you into clicking a phishing link that looks exactly like your bank… they walk away empty-handed. Without your specific, physical device in their hand, the key simply doesn’t work. device-bound passkeys