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Discussion on: Adding multi-factor authentication to your app, the easy way

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Alex Lakatos 🥑 Author

Thanks, another very good question. I think it shares some of the same downsides as the other biometric authentication mechanisms, like Face ID or a fingerprint. If you wear a mask, Face ID stops working. Same for fingerprinting if you have wet fingers.

So typing biometrics would suffer if you injure your hands or your fingers. I think the mobile ones would need to be re-done if you changed the size of your phone when you got a new one as well.