What Is Passwordless Authentication?Passwordless authentication is a method of authentication that doesn't require passwords. Instead, the user is authenticated through a standard authentication process that doesn't require an authentication token. This authentication process is usually done through biometrics or a physical device.1. What is a passwordless authentication protocol?Passwordless authentication is a process where your device authenticates to a server without the use of a password. This is done by using a pin, fingerprint, or other biometric authentication methods. Passwordless authentication is used for a variety of purposes, including computer security, banking, and medical care.2. Authentication protocolsPasswordless authentication is the process of authenticating an individual without the need for the use of a password. Most commonly, it is the process of using biometric data, such as a fingerprint or facial scan, to identify an individual instead of a password.3. BiometricsThis technology is a physical authentication method that requires the user to input a password or personal identification number to verify their identity. Biometric authentication is a way to verify someone's identity based on his or her physical traits. This includes facial features, fingerprints, voice, and iris scans. In order to use biometric authentication, you must first register your biometric feature with the authentication device. Once your biometric feature is registered, you can use it to log in to your computer or smartphone.4. Physical devices.Passwordless authentication can also be achieved through the use of physical devices such as smartcards. This type of authentication is becoming increasingly popular because it offers high security and user-friendliness. With a smartcard, the user can easily and securely confirm their identity by inserting it into a card reader and entering a PIN. Unlike passwords, smartcards cannot be easily stolen or hacked, making them an ideal solution for the security requirements of many organizations.