Behind the scenes, the page sends a "Security Key" identifier. This tells the browser to generate a specific cryptographic challenge.
Here are key points related to HTTPS signing and keystores: https sigin samsung com key top
Authenticate to a Samsung account using a physical security key (e.g., YubiKey, Google Titan) or a platform passkey (Windows Hello, macOS Touch ID, Android fingerprint). The “key top” may refer to: Behind the scenes, the page sends a "Security