🔐 FIDO2 Level 1 Certified for Advanced Authentication: Cryptnox fido2 security key is certified to FIDO2 Level 1 standards for strong, phishing-resistant passwordless and two-factor login security. 📱 NFC Tap-to-Login on Mobile & Desktop: Just tap the card on an NFC-enabled device—no USB, no Bluetooth. Fast and secure authentication on compatible devices. 🌐 Works with Most Browsers on Windows, macOS, iOS & Android: This security keys for two factor authentication is compatible with Chrome, Edge, Safari and others on major platforms. Ideal for securing Google, Microsoft, GitHub, Facebook, and more. 🔌 Optional Contact Reader Support: Our 2fa security key is Optimized for NFC, but also supports ISO 7816 contact smart card readers where required. Flexible for various environments. 💳 Thin & Portable Smart Card Format: This fido security key is sleek and durable. Credit card-sized to fit easily in any wallet or ID holder—perfect for everyday use or travel. The Cryptnox FIDO card is a certified FIDO2 authenticator that enables secure website authentication as an additional physical second factor (2FA) or simply without passwords (Resident Login) if the site allows. No software installation is required. It can be used with NFC on the Android mobile operating system, as well as Microsoft Windows Desktop with a smartcard reader. On mobile phones, correct positioning at the back is required - either in the middle or at the very top - depending on your device model. The card is natively supported out of the box by most browsers. Websites supporting the FIDO standard include Google, Facebook, Twitter, Dropbox, Outlook, and many others. Current sites mostly allow usage of the Cryptnox FIDO card as 2FA, with direct passwordless login (Resident Login) being less commonly enabled. The card registration is specific to each online account, and the procedure differs from site to site. Look for specific instructions on their respective support pages. Cryptnox FIDO cards can be natively used as a Security Key with IOS without additional software or drivers (A minimum of two cards is required). On Microsoft Windows, Cryptnox FIDO card authentication is available with Microsoft 365 Business Premium and a card reader. Specifications: protocols supported are FIDO2 (CTAP2) and U2F (CTAP1). It communicates via NFC (ISO 14443) or contact, with a compatible smartcard reader (ISO 7816). It is FIDO2 Level 1 certified as per the FIDO alliance certification program. The card chipset and cryptographic module are Common Criteria EAL6+ and FIPS 140-2 Level 3 certified. Cryptnox is a member of the FIDO alliance. Configure your FIDO2 card with Cryptnox FIDO2 Card Manager mobile application (iOS only). Easily set, test and change your PIN, or reset your card to factory default if required.