{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of blockchain technology in food safety traceability?","a":"Full traceability: Blockchain technology can achieve full traceability of food, from raw materials to production and circulation, providing a comprehensive and transparent approach to ensuring food safety."}]}],"pr":"45cc28305b64a8ca35cce3d6721d4ec502ebce0596c0c98facb19283af01acc5"}