{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of blockchain technology in the field of food safety?","a":"Cross-border food safety supervision: By applying blockchain technology to cross-border food safety supervision, it is possible  to establish a comprehensive and efficient cross-border food safety supervision mechanism, strengthen the supervision and management of imported and exported food, and ensure the safety of food for consumers."}]}],"pr":"792a1995a1ec761ddd1128ad028dfcaebf02a2eab5a5ad744960a296bd0c6379"}