Ledger also supports U2F, however that is an older standard that is being deprecated across browsers in favour of WebAuthN / FIDO2
Sorry, I did not know there was a difference.
Is there any service that uses FIDO2 and not U2F that I can test?
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vaultwarden
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I actually host my own vaulwarden and didn't even know about this. Might buy a new yubikey just to try it out.
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