ASMA has stated that cryptokacrank CFDs state that "CFDs with cryptocytes inherently increase specific and important issues as CFDs on other underlying assets"
The regulator said that "cryptokuks are comparatively immature asset classes which are a big risk for investors." ESA has expressed concern about the "integrity of the pricing process", "value these products" on the underlying cryptocurrency markets. SOURCE https://news.bitcoin.com/esma-measures-impose-21-restriction-leverage-crypto-cfds/