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U2F/WebAuthn doesn't use six digit codes. You plug in USB key, press button on top of key, and browser does exchange with key and passes result to site. The ex
by ianburrell 5y ago
U2F/WebAuthn doesn't use six digit codes. You plug in USB key, press button on top of key, and browser does exchange with key and passes result to site.
The exchange between browser and key includes the domain of the site. It only works on the same site where registered the key.