Yubico YubiKey 5C Nano Security Key, USB‑C, Black (100898)

The Yubico YubiKey 5C Nano is an ultra‑compact, always‑available USB‑C security key designed for strong, phishing‑resistant authentication. Its flush‑mount “nano” design allows it to remain inserted in laptops or desktops, enabling secure access at any moment without the need to unplug or carry an external device. Supporting a full suite of modern authentication protocols - including FIDO2/WebAuthn, U2F, Smart Card (PIV), Yubico OTP, OATH‑TOTP, OATH‑HOTP, OpenPGP, and more - it ensures broad compatibility across Windows, macOS, ChromeOS, and Linux. Built from durable glass‑fiber reinforced plastic and rated IP68, it resists water, dust, and crushing impacts while requiring no batteries or network connectivity. Trusted by global enterprises and millions of users, the YubiKey 5C Nano provides fast, dependable passwordless and multi‑factor authentication for enhanced digital security.