Three hardware security keys for secure second-factor or multi-factor authentication: a Yubico Yubikey 4 in both USB A and USB C form, as well as a Feitian MultiPASS FIDO security token, which uses NFC and Bluetooth. These dongles support hardware-based authentication including IDO U2F, PGP/GPG keys, smart card, OTP (one-time password), smart card, etc.
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Three hardware security keys for secure second-factor or multi-factor authentication: a Yubico Yubikey 4 in both USB A and USB C form, as well as a Feitian MultiPASS FIDO security token, which uses NFC and Bluetooth. These dongles support hardware-based authentication including IDO U2F, PGP/GPG keys, smart card, OTP (one-time password), smart card, etc.