Biometrics is a method of authentication using an individual's characteristics, for example, using a fingerprint as everyone's fingerprints are very different. In 1892, Inspector Eduardo Alvarez from Argentina made the first fingerprint identification in the case against Francisca Rojas who had murdered her two sons and cut her own throat in an attempt to place blame on another, but the inspector proved that she was guilty. We will now look at the types of biometrics:

  • Fingerprint scanner: Fingerprint scanners are now very common; for example, f you are going to the USA on holiday, when you go through customs you are required to place all of your fingerprints in the scanner. Another use of a fingerprint scanner is when you are ...

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