1. http://mini.eastday.com/mobile/191114140559607.html
2. http://mini.eastday.com/mobile/191114140559607.html
3. Global Bureau and China Bureau of mobile payment;Guo;Theoretical Guide,2019
4. The impact of the development of Internet technology on the financial field-taking mobile payment and blockchain as an example;Xuefang;Sci Technol Econom Guide,2019