{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology help solve food safety issues?","a":"Responsibility pursuit: In case of food safety problems, blockchain technology can ensure the traceability of food sources and help to locate the responsible parties, thereby facilitating the implementation of corresponding rectification measures and preventing similar incidents from  happening again."}]}],"pr":"855d4fc3a163bea9b904077108056352e4dc48e65557c84b48206ed0ed8221ef"}