{"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":"Decentralization: Blockchain technology adopts  a decentralized network architecture, with data stored on multiple nodes, avoiding the problems of a single centralized control system and improving the security and reliability of food safety information."}]}],"pr":"3d7559a8fb1e6336fe85a622b93d8893df116c1bd96cfb4810d1c83eefc955ad"}