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 SimpleUpgrade 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 KeyUSB‑C + NFC — Works with laptops, Android devices, and NFC‑enabled phonesFIDO2 & U2F Support — Industry‑standard protection for Google, Microsoft, Apple, and 1,000+ servicesStops Hackers — Physical touch required to authenticate, blocking remote attacksNo Batteries, No Apps — Plug it in or tap it, and you're instantly verifiedBuilt to Last — Durable, water‑resistant, and keychain‑ready📦 ConditionBrand New – Originally purchased in bulk trays of 500 - units are individually bagged for sale. Firmware Version 5.4.3Ships fast and securely.Shipping $8.99 first item, $1.29 each additional item💼 Perfect ForSecuring personal accountsWork-from-home professionalsStudentsTravelersAnyone upgrading to modern, passwordless login🚀 Fast, Simple, Unbreakable SecurityJust 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.