{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology improve compliance in global trade?","a":"Improving data security: Blockchain technology has the characteristic of being tamper-proof, which can ensure the security and reliability of trade  data, and reduce trade risks."}]}],"pr":"0ed41e02ac514318fc79538b317f2b4e92c71116b1b02581763581f1db9ca51d"}