At the beginning of the 21st century, we see the emergence of new legal relations related to the massive emergence of crypto-currencies. The natural question is, what to do with the taxation of the crypto-currency, new mining activity. We are analyzed different approaches in the world for this question. In the Republic of Belarus are created conditions for introduction in the economy of the technology of transaction block ledger (blockchain) and legally fixing such complex concepts as crypto currency, mining, digital sign (token). Granting tax holidays for 5 years gives, as advantages in attracting foreign business to the jurisdiction of Belarus, and can contribute to the inflow of illegal money, and therefore it is necessary to strengthen internal control to prevent the legalization of proceeds from crime, and to take an active part in global international initiative – the BEPS Plan (Base Erosion and Profit Shifting).