How to set up two-factor authentication with Key369
From your first setup QR code to a verified backup.
5 min readKEY369 · GUIDES
Two-factor authentication guides
Set up your first account, understand a QR code and prepare a backup before replacing your phone.
Why an authenticator rejects a QR code: TOTP and passkeys
Different QR codes and passwords serve different purposes.
4 min readHow to back up 2FA keys and move Key369 to a new phone
Prepare a backup early and test restoration before switching.
6 min read