Hardware security keys can use several transport protocols: USB, NFC (Near Field Communication), BLE (Bluetooth Low Energy). Your device (PC, laptop or smartphone) have to support at least one transport interface of your security key.
Minimum supported versions of browser/OS are listed below.
Web app
Desktop browsers:
- Chrome 67
- Firefox 60
- Edge 18
- Safari 13
- Opera 54
Mobile browsers:
- Safari 13.3
- Chrome for Android 70
- Android Browser 70
Mobile apps
- Android 7.0
- iOS 13.3
- iPadOS 13.3
Desktop apps
- Windows 10
- macOS 10.13 High Sierra
- Ubuntu 20.04
- Fedora 32