I think these people became rich because they had their own exclusive fresh and creative ideas that other people invested in. Following someone is the same as eating up after someone.
These rich people are clear because they have extraordinary ideas and creativity where they are able to see the needs of people in the digital era so that they are right to make decisions in the world of cryptocurrency, be it developers, miners, traders, investors or establish cryptocurrency exchanges. All this can happen because of the strength and courage in responding to the progress of the times.