Evolution of an OTP nation

While the technology has its flaws, telecom companies that deliver these OTPs are at work to upgrade all networks across India to 5G

It is unlikely that mathematicians at work to develop the algorithms to create One Time Passwords (OTPs) in the 1940s would have imagined over a billion OTPs being delivered every day as text messages across Indian telecom networks. The mathematicians may not even have imagined how it would be delivered. Or that it would be used to authenticate people’s identities across domains as diverse as banking to travel, ecommerce deliveries, cinema tickets, even cab rides and much else.

Work is in progress to create the blueprints for a 6G world. (Representational image.)

While the