A cryptocurrency (or crypto currency) CFD is a controversial digital asset designed to work as a medium of exchange that uses strong cryptography to secure financial transactions, control the creation of additional units, and verify the transfer of assets.A cryptocurrency CFD is completely digital. They are created to be exchanged between people in a virtual transaction. There is no physical object. When a new crypto is developed its creators decide how many coins will be mined. Once that figure is determined it cannot be changed. Everything from there is a derivative of the original number.Price movements on Cryptocurrency CFD react to economic news and fear of retail speculators. They have a tendency to show dramatic swings which make for an exciting and volatile trading environment.