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Here’s the breakdown on passkeys and how they compare to multi-factor authentication (MFA):

Passkeys

Function: Replaces traditional passwords with a more secure method.
Process: Uses public-key cryptography to create a unique key pair for each website. You verify your identity with a fingerprint scan or PIN on your device, eliminating the need to remember complex passwords.

Multi-factor Authentication (MFA)

Function: Adds an extra layer of security on top of your password login.
Process: Requires two or more factors for verification. This could be your password and a one-time code from an authenticator app, a fingerprint scan, or a security question.
Why Passkeys Might Be Better:

More Secure: Passkeys eliminate the risk of stolen passwords or phishing attacks, as there’s no password to steal or trick you into revealing.
Simpler: Login requires only a biometric scan or PIN, making it a smoother experience.
Universal: Passkeys work across different devices and platforms, as long as they support the standard.

Things to Consider:

MFA is still secure: MFA with a strong password is very secure and isn’t necessarily replaced by passkeys everywhere.
Passkeys are New: Widespread adoption is still underway, so you might not be able to use them on all websites just yet.
Overall, passkeys offer a more secure and convenient login experience compared to traditional passwords and may eventually replace MFA as the go-to security method.