Description: Fast authentication refers to methods that allow users to quickly verify their identity, facilitating access to systems and devices efficiently and securely. This approach is especially relevant in the context of digital environments, where the number of connected devices and the need for instant interaction have increased exponentially. Fast authentication seeks to balance security with convenience, allowing users to access their devices without the need to remember complex passwords or go through lengthy verification processes. Key features include the use of biometrics, such as fingerprints or facial recognition, and token-based or temporary code authentication methods. These methods not only enhance user experience but also reduce the risk of cyberattacks by limiting the exposure of sensitive credentials. In a world where speed and security are paramount, fast authentication has become an essential solution to ensure users can interact with their devices safely and efficiently.