Research on Credit Evaluation System for Agricultural Material Distributors Based on Blockchain

China is a traditional agricultural country, and the market size of the agricultural input sales industry is constantly expanding, becoming an important part of agricultural development. However, there are problems such as large amounts of credit sales, poor product quality, and poor after-sales work in the sales of agricultural inputs, which not only increase the economic risks for both supply and demand parties, but also lead to a decrease in agricultural production efficiency. Based on blockchain technology, this article builds a comprehensive evaluation system for agricultural input dealers, helps agricultural input suppliers and customers establish good trust and cooperative relationships, and also helps ensure the stable operation and sustainable development of the supply chain.