LoginRadius Passkey enables passwordless authentication using passkey technology built on FIDO2 and WebAuthn standards. It uses public-private key cryptography to securely authenticate users, with private keys stored on devices and public keys on servers. The product supports multi-device synchronization via cloud services, integrates with multi-factor authentication, and offers developer-friendly tools like SDKs and APIs for seamless implementation. Its purpose is to enhance security by eliminating password vulnerabilities, reduce phishing risks, and provide a user-friendly authentication experience.