There are two things that never cease to amaze me: the starry sky we head and cynical arrogance exchange HITBTC, with which it assigns client money. The emergence of blockchain and cryptocurrencies in our lives was marked by new principles of monetary relations: an economy that does not need trust (everything is simple and transparent) anonymity the absence of intermediaries principles of democracy and more It would seem that the new system is perfect and timely. The current (banking) financial system has lost its relevance. Why, then, the blockchain still raises many questions and concerns both from the participants of the system itself , and among those who are just thinking of starting to use the blockchain directly and cryptocurrencies. The fact that some of the exchanges started in favor of personal gain, neglected the basic principles of undermining the credibility of the blockchain. Take for example the HITBTC exchange. The exchange itself, as a financial institution, does