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This paper is a brief review of fuzzy vault which is a biometric template security technique. The advent of technology over the last decade has established biometric identification as an electronic equivalent to physical verification. Biometric traits offer a reliable solution to the problem of user authentication in identity management systems. Biometric based authentication has more advantage over traditional method such as password due to their uniqueness and required physical attendance at the time of authentication. But there are increasing concerns about the security and privacy of biometric technology. Fingerprint Identification is the most commonly used in biometric systems and fuzzy vault is a new technique to secure the template. This paper is to review all the important developments in fuzzy vault till.
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