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i’m not an expert by any means, but from what i understand, most symmetric key and hashing cryptography will probably be fine, but asymmetric-key cryptography will be where the problems are. lots of stuff uses asymmetric-key cryptography, like https for example.
TOTP 2FA is less secure than passkeys. 2FA TOTP keys can be phished. Passkey authentication cannot be phished. This is a security improvement which can make people completely immune to phishing attacks. That’s huge. And it doesn’t have any privacy risks, no loss of anonymity. It’s an open standard.
This is, objectively, a rare example of new technology which will make the world better and safer for us.