Proton Authenticator
Proton Authenticator is an open-source, end-to-end encrypted two-factor authentication app by Proton, designed to securely generate and sync 2FA codes across devices with privacy protection under Swiss laws. It supports offline use, biometric or PIN locking, and easy import/export of codes.
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ProtonAuthenticator
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Packaging Notes
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Cross-platform app available on iOS, Android, Windows, Mac, Linux
