A man sweeps snow with a broom in front of an electronic signboard of a cryptocurrency exchange in Seoul
Cryptocurrency, Jan 30, 2018 : A man sweeps snow with a broom in front of an electronic signboard of a cryptocurrency exchange in Seoul, South Korea. South Korea launched a real-name trading system for cryptocurrencies on Jan 30, 2018, to prevent virtual coins from being used for money laundering and other illegal activities, local media reported. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)