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The major services that support U2F authentication now (Google, GitHub, Dropbox) allow you to associate multiple U2F keys. So, let people associate their primar
by danieldk 11y ago
The major services that support U2F authentication now (Google, GitHub, Dropbox) allow you to associate multiple U2F keys. So, let people associate their primary key and a backup key. The keys themselves are so cheap, that they could probably be shipped with cereal boxes in a few years ;).
(If you lose the key anyway, most services currently allow you to do authentication over SMS, or use a set of backup codes.)
- Freak_NL 11y agoSuch backup codes are probably the safest way to go about this. A sheet of codes that you print or write out on a piece of paper and store with your valuables.