During a WWDC developer meeting titled “Move beyond passwords,” tech giant Apple gave a taste of a new feature called “passkeys in iCloud keychain,” where users don’t have to take any hardware with them because their various Apple products will now include the passkeys.
Passkeys are a pair of private and public keys that function as hardware security keys but are securely stored in the iCloud keyring.
While passkeys is a wonderful innovation in the sense that they are synced across different devices, meaning that they are recoverable even if a user loses his / her passwords, it also offers other quality advantages, including the fact that they cannot be guessed, cannot be reused across services, and are not vulnerable to phishing or data breaches.
For more information, read the original story in Apple Insider.