High Quality Content by WIKIPEDIA articles! A whole new range of techniques has been developed to identify people since the 1960s from the measurement and analysis of parts of their bodies to DNA profiles. Forms of identification are used to ensure that citizens are eligible for rights to benefits and to vote without fear of impersonation while private individuals have used seals and signatures for centuries to lay claim to real and personal estate.“ Generally, the amount of proof of identity that is required to gain access to something is proportionate to the value of what is being sought." It is estimated that only 4% of online transactions use methods other than simple passwords. Security of systems resources generally follows a three-step process of” identification, authentication and authorization. Today, a high level of trust is as critical to eCommerce transactions as it is to traditional face-to-face transactions.