Passwords were designed for a world where people had five logins. Today most of us have dozens, and passwords keep failing in the same three ways: they get reused, they get phished, and they get leaked in data breaches. Passkeys fix all three at once — by getting rid of the password entirely.

What a passkey actually is

A passkey is a pair of cryptographic keys. When you create one, your device generates a private key that never leaves the device, and sends only the public key to the website. The public key is useless on its own — it can verify, never log in. To sign in, you approve with your fingerprint, your face, or your device PIN. There is nothing to type, nothing to remember, and nothing to write on a sticky note.

Why phishing stops working

Phishing works because a password is a secret you can be tricked into handing over. A passkey can't be handed over: it is bound to the real website, so a fake login page simply can't use it.…