Core Insights - The article highlights the implementation of a digital credit system in the agricultural sector of Sanya, Hainan, aimed at enhancing the quality and safety of agricultural products, particularly cowpeas [1][2]. Group 1: Digital Credit System - A digital credit system has been established for 3,129 farmers, creating an electronic credit file for each farmer that includes testing data, inspection records, and market transaction information [1]. - The credit system categorizes products into three color codes: red for banned sales, yellow for increased monitoring, and green for priority access to markets [1][2]. Group 2: Economic Impact - The implementation of this credit system has led to an increase in revenue for the cowpea industry, surpassing 55 million yuan (approximately 8.5 million USD) within a year [2]. - The average time for vehicles transporting green-coded cowpeas to cross the sea has been reduced by 2.5 hours, enhancing logistical efficiency [2]. Group 3: Quality Assurance Measures - Quality assurance measures include daily inspections of over 2,000 acres, with each batch of cowpeas receiving a unique QR code for traceability [2]. - Farmers' usage records and testing data are recorded in their credit files, directly influencing their ability to obtain green codes for their products [2].