Block Technology for Currency 3 Block technology 3.1 Definition of Block technology 3.3 Creation of Block technology 3.4 Monetary functions of Block technology .3.4.1 Medium of Exchange. 3.4.2 Store of Value. 3.4.3 Unit of Account. 3.5 Are cryptocurrencies money? 4 What cryptocurrencies really are 4.1 Risky and volatile assets 4.2 Instruments of money laundering Risks