Tim Cappalli personal blog

Don't use passkeys for encrypting user data

blog.timcappalli.me published 2026-02-274 min read

Passkeys are the future of authentication, but using them for data encryption is a disaster waiting to happen. Overloading these credentials creates a dangerous blast radius that can lead to the irreversible loss of a user's most sacred memories and documents.

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Security & PrivacyWeb & Frontend2026

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