Definition
Touch ID is Apple's fingerprint authentication technology, introduced on the iPhone 5s in 2013, that allows users to unlock devices, authorize purchases, and authenticate apps using a registered fingerprint. Touch ID sensors are embedded in the home button or power button of compatible Apple devices. For creators using Apple devices for content creation, Touch ID provides fast, secure access to editing software, payment systems, and account credentials. It represents a form of biometric authentication that has largely replaced PIN-based device security.