Passwords are the keys to our digital lives – think how many times you log in to websites and other systems. But just like physical keys, they can be lost, duplicated and stolen.

Many alternatives have been proposed in recent years, including passkeys. These offer a significant improvement in terms of user friendliness and potential for widespread use.

But what exactly are they – and how do they differ from passwords?

Passwords are vulnerable

In simple terms, a password is a secret word or phrase that you use to prove who you are to computer systems and/or online. If you have an account on a website or subscribe to a service provider, you likely have many.

Passwords themselves are fine; it is the way we implement and use them that makes them vulnerable. For example, weak password hab

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