麻豆约拍

South Korea is home to one of the world's largest Bitcoin exchanges - but the government there says virtual currency trading is overheating, fuelled by blind speculation. As a result, it plans to close such exchanges down, to save young people who invest in the cryptocurrency from losing money. The 麻豆约拍's Vivienne Nunis talks to author of 'Bitcoin: The Future of Money'.

(Image: A physical rendition of a Bitcoin, coloured red. Photo by Dan Kitwood/Getty Images)