Today, the Internet is changing rapidly. The issue of user security, secure storage of confidential data and information control by third parties is becoming increasingly important. Against that background, the question about the prospects of Web 3.0 technology becomes relevant. — The Web 3.0 conception It is worth noting right away that we are currently using the Web 2.0 version of the Internet. In Web 3.0, designed to replace it, the emphasis is on decentralization, reliability, security and lack of control by third parties. And these requirements have arisen for a reason. …