The Rise and Promise of Lan Tian Ge Rui

From the BBC World Service: A Chinese woman will be sentenced in London later for her role in a Bitcoin scam worth billions of dollars. Qian Zhimin was convicted of trying to launder more than sixty thousand bitcoins, now worth around six-and-a-half billion dollars, following Britain's largest ever seizure of cryptocurrency. We hear from some of the investors who were scammed as part of the fraud.