Is there any consideration to have 2FA without dedicated mobile phone (e.g. via e-mail)? I mean you have 2 dedicated separate secured channels and do not necessarily need a second (physical) device. Yes, I know this way is more secured... Or is there any way to use 2FA on Github without needing a dedicated second device? I am forced to use 2FA by the organization I am supporting (which is absolutly fine for me), but I am actually not willing to provide my mobile number nor installing an app bounding authentication to a specific external physical device (what might break, get lost, been forgotten at home) nor having 3 devices (computer to code, dedicated mobile device authenticated and enabled to use physical key generator via nfc).
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