At present the Internet is used by more than two billion people all around the world, who visit WebPages, receive and send e-mail messages, watch all sorts of multimedia content, play games, use the social media and all kinds of applications. The number of people with access to this global network will grow, and soon we are likely to witness a huge technological leap forward, which will make it possible for the Internet to become a global platform not just for people, but also for various machines, sensors and other smart objects which will be able to communicate with one another, exchange information, perform calculations and initiate all sorts of actions.

Wojciech Nowakowski, professor at the Institute of Mathematical Machines in Warsaw, Poland. He works in the field of cryptography, virtual currency systems, Big Data and mobile technologies including the IoT and Near Field Communication. He received a Ph.D. degree at the Institute of Electronic Systems of Warsaw University of Technology.