Use Aegis 2FA not Google shit:

"Free and open source

Secure

The vault is encrypted (AES-256-GCM), and can be unlocked with:

Password (scrypt)

Biometrics (Android Keystore)

Export (plaintext or encrypted)

Automatic backups of the vault to a location of your choosing"

https://github.com/beemdevelopment/Aegis

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