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OpenID and OAuth really did a lot, but there's just nothing called "don't use passwords." Fingerprint readers suck. Anything biometric that doesn't suck costs too much, and 99% of people don't have them. A good KDF is not bad in comparison to a centralized authentication server considering other factors.

Someone, somewhere will be storing user passwords/digests for the foreseeable future. And they will do it incorrectly.

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Sure, but the number of those people should become vanishingly small over time.

HN is full of web developers rolling unnecessary username/password solutions. The fact that this is such a hot issue - as opposed to esoterica like TCP frame size - shows that far too many developers are homebrewing solutions rather than outsourcing.

I agree, but "outsourcing" includes using libraries written by people who know what they're doing. (And not using libraries written by people who know what they're doing, but which are the wrong tools for the job.)

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