A new login technique is becoming available in 2023: the passkey. The passkey promises to solve phishing and prevent password reuse. But lots of smart and security-oriented folks are confused about what exactly a passkey is. There’s a good reason for that. A passkey is in some sense one of two (or three) different things, depending on how it’s stored.
The article kind of covers this.
If you’re using unique, long, random passwords, stored in a password manager then passkeys aren’t a meaningful improvement to your security.
For everyone not using a password manager it seems like a standardised way to abstract long unique complex passwords away from the user.