chapter 5 blog post

A biometric device authenticates a persons identity by translating a personal character, such as a fingerprint into a digital code that is compared with a digital code that is stored on a computer verifying a physical or behavioral characteristic. some grocery stores, retail stores, and gas stations use biometric payment, where the customers fingerprint reader that is linked to a payment method such as a checking account or credit card. Users can forget their usernames and passwords. Possessed objects can be lost, copied, duplicated or stolen.

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