The practical use of blockchain, which you can feel. Countries that implement big data and Internet of things.
Have you ever heard of cities where traffic light sensors "communicate" with weather stations? A couple of decades ago, such a scenario could appear only in fantastic works, and now the concept of "smart city" is considered by the mayors of cities.
Internet of things (IoT), big data and blockchain - this is the recipe for the "smart city". Some countries have already approached the implementation of an ideal allocation of resources, and the other ones are going to do it. Supporting these countries, each of us can begin to learn the future. The future, which will turn into the present tomorrow.
Read about how the blockchain is being introduced into everyday life around the world in our new article on Medium - https://goo.gl/2vmErf