Shi Yuzhu, chairman of Giant Network Group, said on Weibo today that the technical research of blockchain is not so difficult. It is difficult to deeply understand the idea of blockchain and successfully applied to various scenarios. Blockchain will profoundly change society and change the company's management structure. In the past, two strangers made transactions and lacked credit. They had to find a third party (bank, Alipay, etc.) trusted by both parties to complete the transaction. The district fast chain can effectively solve the credit problems between two strangers, improve transaction efficiency and change the transaction process.