What problems are biometrics intended to solve?

Authentication: When you supply a username (or email address) and a password you are telling the system that you have the right credentials (authenticate). Biometrics can significantly improve authentication because the credentials are harder to steal. More...

Identification: For banks, government, health care services, etc. it is not enough to have the right credentials, they want to be sure they have the right individual (identification). Biometrics can make identification easier but do not completely solve the problem. More ...