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In biometrics it is a type of fingerprint identification and verification process where the biometrics sample is matched to the user, showing the user is who he or she claims to be. Compare with one-to-many.

See "How Fingerprint Scanners Work" in the ""Did You Know..." section of Webopedia.
See also "How Biometrics Security Works" in the "Did You Know..." section of Webopedia.

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