Patent attributes
Systems and methods involving a user authentication system for granting access to digital systems and content, computing systems and devices and physical locations. The authentication system granting access to digital systems and content involves a mobile device, a computing device and a server. The authentication system granting access to computing systems and devices and physical locations involves a mobile device, an interface device, a secure system and a server. The authentication systems described permit a user to access digital systems and content, computing systems and devices and physical locations using only the user's mobile device. The mobile device runs mobile application that performs the authentication functionality using biometric data obtained on the mobile device. The authentication data is stored on the mobile device in an encrypted format and is not shared with the other devices in the authentication system.