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U2F prevents some vulnerabilities that TOTP alone can't. It's possible to replicate it in software instead of a hardware token, but so far nobody has. So if you
by peterwwillis 8y ago
U2F prevents some vulnerabilities that TOTP alone can't. It's possible to replicate it in software instead of a hardware token, but so far nobody has. So if you're adopting 2FA, suggestion is to use U2F if you can.