Professionals lose access to accounts when they lose their phone or auth app. Existing solutions force cloud sync or offer no backup at all.
An authenticator that generates standard TOTP codes but also creates encrypted PDF backups you can print or store offline.
IT departments would pay to reduce account recovery tickets. Power users would pay for personal use.
MVP: A simple app that outputs backup codes alongside QR code setup. No sync needed.
Risk: Users might not properly secure printed backups, creating a security vulnerability.