In 2019, the American tech trading company Bitwise presented to the SEC that an astounding 95% of cryptocurrency exchanges were fake. This claim may be credited to a type of market manipulation called “wash trading,” which involves inflating trading volumes by buying and selling with oneself. In 2019, the American tech trading company Bitwise presented to the SEC that an astounding 95% of cryptocurrency exchanges were fake. This claim may be credited to a type of market manipulation called “wash trading,” which involves inflating trading volumes by buying and selling with oneself. Economics & Business Phys.org – latest science and technology news stories