The FIDO-key Nano USB-C is a low-profile, compact security key by BIO-key designed for secure online authentication. It features a USB-C interface and provides plug-and-play functionality across major operating systems including Microsoft Windows, macOS, and Linux. The hardware token stores an infinite number of cryptographic keys within a durable, waterproof casing and can be deployed as a standalone authentication method or a multi-factor authentication (MFA) token.
The device supports passwordless authentication through compatibility with FIDO2 and WebAuthN standards. Additionally, the FIDO-key Nano USB-C provides support for OATH HOTP authentication protocols.