types of authentication method is the process of verifying someone's identity by comparing the information they provide with information from a database. There are many different types of authentication, such as fingerprint scans, retina scans, and voice recognition. However, in the digital age, we have also seen the rise of passwords and pin numbers. With passwords, you can choose a complicated password that is difficult to guess but easy to remember. Pin numbers are similar to passwords but easier to remember because they are just a number that you put in your wallet.