蜜芽传媒

Last week the founder of Facebook, Mark Zuckerberg, spoke to Congress about his company鈥檚 ambition to launch its own cryptocurrency called Libra. Dr Catherine Mulligan, from Imperial College London鈥檚 Centre for Cryptocurrency Research, explains the idea behind Libra.

(Image: Facebook CEO Zuckerberg in front of 'Zuck Buck' image. Credit: Reuters.)