{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of blockchain in supply chain management?","a":"Optimizing logistics and transportation management: By chaining logistics information, real-time sharing and tracking are realized, enhancing the efficiency and  security of cargo transportation. Meanwhile, intelligent contracts automatically execute logistics contracts, reducing the cost of contract execution."}]}],"pr":"bbdf23a73f21de73ae546c2c95160355722e691873aeb44cd962822d6029182c"}