securing smart contracts using facial recognition in the healthcare sector

Biometric systems are defined as systems to deal with automated recognition of a particular person's aspects like face, fingerprints, retina, iris, and patterns like posture, signature, etc.. The detailed expansion of the various methodologies of Biometrics that are used for authentication and verification processes in the Healthcare Sector. Biometric systems have many practical and social applications. The effects of the Biometric system in modern society have been discussed in this paper. Biometric Authentication performance is completely based on the Extraction and Matching of the individual feature. This paper relates to Blockchain Technology in the Healthcare Sector and how the database is managed using Bio-metric Methodologies.