The possibilities of using distributed "blockchain" networks not only in financial transactions of crypto-currencies, but in a wide range of information messages and for storing confidential information from unidentified third parties are discussed. The positive economic and social possibility of using distributed encrypted networks on the Internet is shown to preserve personal freedom of action and new opportunities for personal business. At the same time, it is shown that the world wide web of Internet networks carries new threats and risks in life activity associated with hiding the true faces of the participants in the common network and the existing, despite the encryption, the possibility of information leakage, its irrecovecability in the event of a misstatement. Particularly noted is the general problem of the dependence of the digital technology and technology used in Russia on the overwhelming borrowing of the electronic database. A warning is given to users who do not have special knowledge and means of protection, with widespread use of blockchain technology in business, financial activity, and personal information storage.