1.Hunting civilization marked by stone tools (primitive civilization).
2.Farming civilization marked by copper and iron.
3.Industrial civilization marked by steam engine.
4.I am very fortunate to live in the Internet age, and it is even more honorable to live in the era of digital civilization represented by Bitcoin. I am ready, are you ready?
Very good, these four summaries are a good way to see the evolution of civilization. We have entered the information Internet civilization from the industrial civilization. Now that Bitcoin is born, the value can be freely transmitted through the network, and we are entering a period of civilization where the value can be freely transferred.