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Re:Requiring MFA on popular gem maintainers by woodruffw on Tuesday August 16, 2022 @03:07PM (#32487329)
> What I'd like to see is for sites to allow setting up two different kinds of 2FA, one of which is TOTP and the other is something hardware-based.

This is exactly what we did for PyPI: we allow the user to enroll as many 2FA factors as they'd like, of both supported types (TOTP and WebAuthn).

The post is dated 2019, but the summary of practices we wrote here[1] is still relevant (and IMO, correct).

[1]: https://blog.trailofbits.com/2019/06/20/getting-2fa-right-in...

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