{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to food safety?","a":"Data immutability: Blockchain technology ensures that once data is recorded in a block, it is difficult to  tamper with through encryption algorithms. This provides a reliable traceback mechanism for food safety, ensuring that responsibilities at each link are clear and distinguishable."}]}],"pr":"2cedceb4230cf621276a869ae3907581db98a935ae67ae41edc183a218c14439"}