Bitcoin is surely changing the world because with bitcoin many people will have extra money so they can spend more. The shops are also earning from this.
So this means that the economy is getting a lot of stronger in their country's.
Specifically if the people who can provide their basic needs will make the economics and society more stronger and the economics of that country will be good. It will change the world if bitcoin can change people and it is, because people who own bitcoin tend to buy their needs and also wants that makes their life easier. World is just depend what is life of the people if the life of people is good then the world could change a lot.