{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be used to achieve traceability?","a":"Establishing traceability requirements: Firstly, clarify the traceability goals, such as targeting sectors with traceability demands such as goods, food, and drugs, and identify the key links  and participants in the traceability process."}]}],"pr":"363862f386d52fa2ba1b1e7ae40d791295e6ec503d2ea8e2efa296dfea4254d6"}