Jack Ma (Ma Yun) is a Chinese entrepreneur, investor, and philanthropist. He co-founded and is now executive chair of the Alibaba Group. The group is a multinational technology conglomerate. At the 20th Annual CAST (China Association of Science and Technology) event, Jack Ma once again discussed Bitcoin and blockchain. He said that maybe Bitcoin was a bubble, but blockchain is a key that opens a treasure of chest of effective new technological tools in the financial sector. So at ALIBABA AND ALIPAY they are using it to help build a truly cashless society.