I have a backup U2F device. You can register multiple with any account. If I som... | Hacker News

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wyager on Jan 17, 2021 | parent | context | favorite | on: That's not how 2FA works

I have a backup U2F device. You can register multiple with any account.

If I somehow manage to lose both, I assume I’ll have to talk to a customer support rep or something.

growse on Jan 17, 2021 [–]

This depends on the service supporting it though, and not all of them do (e.g. AWS).

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