What is Biometric Verification?

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Interesting Article to explain how identity is confirmed through Biometric Verification. 

No matter what biometric methodology is used, the identification verification process remains the same. A record of a person’s unique characteristic is captured and kept in a database. Later on, when identification verification is required, a new record is captured and compared with the previous record in the database. If the data in the new record matches that in the database record, the person’s identity is confirmed.