Pushing the envelope, China is rolling out the digital yuan in stages. More countries are playing catch-up, and are moving to develop their own digital currencies. How much will virtual currencies and cryptocurrencies further change our lives? What role will it play in global payment systems going forward?

This Saturday 8:30 GMT, catch CGTN BizTalk as Guan Xin interviews Richard Turrin, author of "Cashless" and professor Zhang Xiaoyan from Tsinghua University and associate dean at the PBC School of Finance.