We gradually come to the conclusion that paper money is not so bad. Decentralized cryptocurrency attracted us primarily with its anonymity and confidentiality. With the passage of time and the spread of cryptocurrency around the world, the adoption and regulation of it by states, from its anonymity, little can be left. Cryptocurrency may become one of the most financially controlled financial settlement systems. So far, one thing is clear - it's too early for us to refuse cash. Any non-cash payments lead an ordinary person to complete control over his financial activities. Cash remains one of the most anonymous. However, everything is changing and improving. Let's see what will happen next.