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by est31 1476 days ago
That's an issue of the implementation, not of the concept of hardware 2fA. With SSH keys, you don't need them around to enroll them, as they use public key cryptography. I can point someone else to github.com/est31.keys and they can give me ssh access. The actual ssh keys can reside on hardware.

For some reason, this use case was not considered for Webauthn.