https://phys.org/news/2018-07-financial-forum-virtual-currencies.html

In a statement, the Financial Stability Board (FSB), which oversees regulation among G20 economies, said it believes "crypto-assets do not pose a material risk to global financial stability at this time."

But, the FSB added, the speed at which cryptocurrencies are spreading, the lack of solid data on their use and uncertainty over which rules apply in the sector should spur major economies to redouble their scrutiny.