%0 Journal Article %T ANALYSIS OF CHANGING ECONOMIC NATURE OF CASH MONEY IN THE CONTEXT OF DIGITAL ECONOMY: THEORETICAL APPROACH AND PRACTICAL APPLICATION %A Markova, O.. %K cash circulation, inflation, digital economy, cryptocurrency, monetary and credit policy %J Vestnik of Astrakhan State Technical University. Series: Economics %D 2019 %N %P 9 %I Astrakhan State Technical University