{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to food safety?","a":"Decentralization: Blockchain technology adopts a decentralized network architecture, where data is stored on multiple nodes, making it difficult to tamper with. This enables real-time sharing and query of food safety information on the blockchain, improving the credibility and reliability of the data."}]}],"pr":"b8c1bdbf77ff5f369196503c2ab24cb3d3a2053e92c39482062921281453601f"}