Yubico Security Key C NFC is a 2FA (two‑factor authentication) device. It supports FIDO2/WebAuthn and FIDO U2F, which are industry‑standard protocols for strong, phishing‑resistant multi‑factor authentication. It works as a physical second factor: you plug it into USB‑C or tap via NFC to verify it's really you. It’s compatible with Google, Microsoft, Apple, password managers, and hundreds of services. 🔐 Yubico Security Key C NFC – Ultimate Protection Made Simple Upgrade your online security with the Yubico Security Key C NFC, the trusted hardware key used by millions to stop account takeovers cold. Whether you're securing email, banking, social media, or work accounts, this compact key delivers fast, phishing‑proof authentication with a single tap. Perfect for anyone who wants strong security without the hassle. ⭐ Why Buyers Love This Key USB‑C + NFC — Works with laptops, Android devices, and NFC‑enabled phones FIDO2 & U2F Support — Industry‑standard protection for Google, Microsoft, Apple, and 1,000+ services Stops Hackers — Physical touch required to authenticate, blocking remote attacks No Batteries, No Apps — Plug it in or tap it, and you're instantly verified Built to Last — Durable, water‑resistant, and keychain‑ready 📦 Condition Brand New – Originally purchased in bulk trays of 500 - units are individually bagged for sale. Firmware Version: 5.4.3 - Please check your hardware / software requirements to verify this is compatible Ships fast and securely. Shipping $8.99 first item, $1.29 each additional item 💼 Perfect For Securing personal accounts Work-from-home professionals Students Travelers Anyone upgrading to modern, passwordless login 🚀 Fast, Simple, Unbreakable Security Just plug it into a USB‑C port or tap it on an NFC device — authentication takes less than a second. No codes. No waiting. No phishing.