Access Control: Biometric authentication is commonly used for access control in various environments, such as offices, government buildings, airports, and secure facilities. Fingerprint scanners, iris scanners, or facial recognition systems are used to grant authorized individuals access, replacing traditional methods like keys, access cards, or PINs.
Mobile Devices: Many smartphones and tablets now incorporate biometric authentication as a convenient and secure way to unlock devices and authorize transactions. Fingerprint scanners or facial recognition technology enable users to unlock their devices, access applications, and make secure payments.