Overview#U2F device is a FIDO Authenticator that supports the Universal Second Factor FIDO protocol
U2F device interface types#At the moment (2017-04-02) three interface types are specified in FIDO U2F.
- Universal Serial Bus (USB)
- Near Field Communication (NFC)
- Bluetooth (Classic and Smart aka Low Energy (BLE)).
The user can use the same FIDO U2F device on all online services that support the U2F device protocol.
More Information#There might be more information for this subject on one of the following:
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