“…These technologies are based on advanced algorithms which compare digital images or live captures with database face-prints for the purpose of verification. In general, biometrics refers to a sophisticated technology, which is able to identify unique physical and behavioral features of individuals (Shyam, Singh, 2016). Signs which are used within biometric authentication include the face, foot, fingerprints, palm, nail bed, geometry of hand, body smell, distribution of veins on the hand, iris, skin reflection, retina, shape of ear, DNA or teeth.…”