{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain improve the efficiency of data trading?","a":"Data consistency: Blockchain maintains data consistency through collective efforts, ensuring that all nodes store the same data, thereby avoiding single-point failures  and trust issues present in traditional centralized systems."}]}],"pr":"c559543f83ed8e3b8537b0a65db477e96fc5e8761fe4965c9cf8d20dd2b945d4"}