Airplanes have changed the way people travel, medicines have changed and prolonged human life, lights and electricity have changed the living environment of humans, the Internet has changed the distance of human communication, and what has cryptocurrency changed for humans?

Airplanes have changed the way people travel, medicines have changed and prolonged human life, lights and electricity have changed the living environment of humans, the Internet has changed the distance of human communication, and what has cryptocurrency changed for humans?