KARACHI - Visa announced the launch of Visa Token Service that provides a secure environment to help drive innovation in online and mobile commerce. Visa Token Service replaces sensitive payment account information found on plastic cards with a digital account number or “token”. “When you make the payment environment safer, you open up a world of possibilities where commerce can take place in different forms and consumers can shop anywhere, on any device,” said Charlie Scharf, CEO. “Visa Token Service is yet another example of where we have opened up our network to create meaningful solutions in the form of new standards, tools and services that can enable digital payment experiences that are both engaging and secure.”