✅Health and agricultural supply chain: Smart contracts can be used to reduce the wastage of medical and food supplies. This can be done by using technology to track the location of commodities, ensuring easy accessibility of the proof of existence, and matchmaking.
✅健康和农业供应链：智能合约可用于减少医疗和食品供应的浪费。这可以通过使用技术来跟踪商品的位置，确保易于访问存在证明和匹配来完成。