Filling the trust gap of food safety in food trade between the EU and China: An interconnected conceptual traceability framework based on blockchain[J] FOOD AND ENERGY SECURITY 2020(9) Qian, Jianping Wu, Wenbin Yu, Qiangyi Ruiz-Garcia, Luis Xiang, Yang Jiang, Li Shi, Yun Duan, Yulin Yang, Peng