TY JOUR TI KW Industry 4 0 KW Blockchain Revolution KW Blockchain KW blockade KW blockyin KW blockchain applications KW revolutionary Blockchain KW stock market fundamentals KW transaction costs KW Litecoin KW cryptavaputa KW bitcoin KW cryptanalysis KW blockchain KW Zfirium KW chain block KW transactions KW finance KW book of banking KW Ethereum KW authentication of documents KW digital signatures in public administration and notarization KW bitcoin KW Morgan and ING KW loyalty points KW shares KW accounts and various financial instruments KW block KW chain block KW blockchain technology KW Bitcoin KW cryptaviaputa KW cryptanalysis KW investments KW transactions KW payments Mt Gox form KW virtual money KW cryptography encryption systems KW financial instruments KW market KW risk KW irrational solutions KW fast profit KW virtual currency KW zfirium KW bitcoin mining KW digging crypto currency KW miners KW quotes KW token KW crypto currency excavators KW digital revolution KW Ethereum KW ETH KW cryptanalysis KW blockchain KW ethereum KW block chains KW transactions KW finance KW Ethereum KW cryptapap KW virtual currency JO MOSCOW ECONOMIC JOURNAL AU Shahgiraev, I.U. PY 2017 IS 2 PB Electronic science