“Since Yubico strongly recommends a backup key, is there a less expensive key that will adequately provide such backup? Do you sell Yubico keys in sets of 2? Thank you.”
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nothing significantly cheaper, no. just get the yubikey usb-a as backup since it's half the cost of the usb-c version
Sorry, there was a problem. Please try again later.Depending on what functions you use routinely, the Yubico Security Key could be a good backup. It costs $29. The Security Key series supports FIDO2, U2F, and WebAuthn. The Yubikey 5 supports TOTP, HOTP, PIV, PGP and a few others.
Sorry, there was a problem. Please try again later.I can't speak for other products and/or sets of this product. However, I can recommend that a secure email and written backup codes are a less expensive solution than purchasing two keys. It depends on what your use-case supports, obviously, and as always, please take time to research the comparability of these alternative methods and physical security keys.
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