Background When I transact online today, there is always a need for me to authenticate myself. Be it to see my mail, be it to check my account balance or order a pair of shoes for my son. If the mortar days, you visited an enterprise between a fixed working hours, at a specified location and interacted with a set of people representing the enterprise in person. The only form of authentication would be your signature or your thumb impression; however informally the authentication would be at a deeper level. For one the person representing the enterprise actually got to look at your face, your body language and spot if anything was amiss. The signature or the thumb impression on a piece of paper was more of a formal book keeping exercise, just in case it was required in future to verify a transaction. As the enterprises broke the barrier so as to allow their customers to do anything anytime, it was welcomed with wide and open arms by everyone. It was convenient; one did not have...