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by sneak 1009 days ago
Oh, only the computer (and keychain) keys are used for U2F. There is one 24/7 resident in each computer (the C Nano variant) and an extra on my keyring. Each of these also has a PGP key.

The 4 in the vaults are only used for PGP.

I have a script that will PGP encrypt a file to all 10 of the Yubikeys. I keep track of all of the fingerprints and pubkeys in spreadsheet.