Biometrics can be a secure secret key, as long as there's a trusted guard manning the reader, ensuring that you're showing your real fingerprint / face and not a fake.

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andreasmetsala a day ago | parent | next [-]

Why bother with the scan if you can have a perfect guard in place?

	▲	miki123211 18 hours ago \| parent [-]
		The guard makes sure the biometircs presented to the reader actually belong to the person standing there. The reader identifies who (in its database) the presented biometircs belong to.

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ndsipa_pomu a day ago | parent | prev | next [-]

Not very secret though, considering that they are publicly visible most of the time. You might as well get your bank PIN tattooed on your face if you think that faces are secret.

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hulitu a day ago | parent | prev [-]

> Biometrics can be a secure secret key

Nadela, is that you ? /s