According to estimates, there are 1,9 billion people worldwide purchase goods online and CashBackPro system launched aim to meet their needs. CashBackPro is the smart shopper point earning program based on Blockchain technology application and 4.0 technology platform, and applied on e-commerce platform. For sellers, they can easily search and deploy sales programs to the consumer community. For buyers, consumers can easily select suitable products and receive points to be able to redeem rewards or the corresponding amount of money.