The ProductePay Chain is a diversified project mechanism led by the real economy, supplemented by a sharing economy, and developed through a modern enterprise management system with the goal of developing a sustainable service-oriented economy. Adopting the "offline enterprise entity agriculture concept+online internet O2O model" in parallel, "real economy+sharing economy" in combination, and "on-site operation management+virtual entertainment management" in combination, to achieve the goal of healthy, sustainable and stable development of enterprises.ProducerPay Chain is not only the same as blockchain based settlement systems such as Bitcoin, but also a blockchain based e-commerce settlement contract system. The contract is signed between users using a private key to complete token transactions....