{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to traceability and food safety?","a":"Immutability: Blockchain uses encryption algorithms, which make it difficult to tamper with data once it is recorded in a  block. This makes food safety information on the blockchain highly credible, helping to ensure consumers' trust in food."}]}],"pr":"307a5c7f44aaf9137dfd23a71a5ecb63855bb9943b125b84316fa8a681703c43"}