In the past 2019, Alipay has added a total of 400 million lines of code, which is equivalent to 80 World of Warcraft. Alipay also said that at Ant Financial, 63% of its employees are technical people. In the past year, they developed an intelligent system to help you identify garbage, use the blockchain to ensure that your baby can eat safe milk powder, and real-time risk control to ensure the security of your account. They also won several "world champions" … Nearly 50 scenarios have been put into use in the service blockchain, including buyer show and seller show, "time bank", cross-border remittance, etc. Alipay said that their self-developed blockchain technology is only used to solve practical problems of social value .