What are passkeys really? The simple explanation – for anyone tired of passwords

December 22, 2025

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ZDNET’s key takeaways

Passkeys let you sign in without typing or remembering passwords.
Unlike passwords, they’re resistant to phishing.
Syncable passkeys make secure sign-ins easy across devices.

Over the past year or so, passkeys have hit the mainstream. The rate of adoption for this technology has been remarkable, and it shows no sign of slowing down. If your experience is like mine, you’re probably invited…

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