PE (Preschool Education Chain) is based on its immutable and traceable characteristics, achieving credit penetration in the supply chain financial system, greatly improving the flow of funds, and providing one-stop financing management services for financial institutions and the entire industrial chain of the real economy. Realize rapid revitalization of main assets, reduce risk control costs at the capital end, improve efficiency through smart contracts, and enhance transaction transparency. Ultimately, a win-win situation will be achieved among educational institutions, data users, and users....