What is a Passkey?

[Retro]

Retro submitted a new resource:

What is a Passkey? - Explained in detail

It's based on public / private key cryptography and is explained really well by Ask Leo.

It looks like these are the future, eventually replacing passwords altogether as they're more secure. Note that they've been around for decades, just being used more widely now with all the increased security threats around nowadays.

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