The bitcoin logo is displayed on a power supply unit at a cryptocurrency mining facility in Incheon, South Korea, on Friday, Dec. 15, 2017. Hedge funds are pulling out of gold bets as more exciting moves in equities and cryptocurrencies make safe-haven investments look boring. Photographer: SeongJoon Cho/Bloomberg via Getty Images
A monitor displays the status of cryptocurrency mining at a mining facility in Incheon, South Korea, on Friday, Dec. 15, 2017. Hedge funds are pulling out of gold bets as more exciting moves in equities and cryptocurrencies make safe-haven investments look boring. Photographer: SeongJoon Cho/Bloomberg via Getty Images
Dec 13, 2017-Bucheon, South Korea-Ethereum digger mining at HEALTH CARE NAVI Factory in Bucheon, South Korea. Top financial regulators have clarified their position following reports by local media that they have been considering a possible ban on all cryptocurrency transactions, particularly bitcoin. (Photo by Seung-il Ryu/NurPhoto via Getty Images)
The Bithumb application displayed on smartphones are arranged for a photograph in Seoul, South Korea, on Friday, Feb. 2, 2018. While prices for the cryptocurrency are falling on major exchanges around the world, nowhere have the declines been faster than in Asia's fourth-largest economy. Photographer: SeongJoon Cho/Bloomberg via Getty Images
A man enters the Bithumb exchange office in Seoul, South Korea, on Friday, Dec. 15, 2017. South Korea will restrictively allow cryptocurrency trading on only qualified exchanges and review a possible capital gains tax on crypto trading as a way to restrain the nation's frenzied speculation. Photographer: SeongJoon Cho/Bloomberg via Getty Images
