With the advancement of the technology biometric systems became more advance for Digital Security, until now probably you have heard about the fingerprint recognition in which the requirement was to touch the device and you are authenticated. But latest approaches shows that we could have a finger scanner with no-touch activity, NIST (National Institute of Standards and Technology) has just start funding a number of startup companies to develop a touchless finger recognition system. In contactless Biometric security persons presence is needed but from meters