{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the impact of blockchain on global trade?","a":"Improving trade efficiency:  Blockchain technology can achieve automation and efficient collaboration in cross-border payments, logistics, customs declaration and other links, reduce the risks caused by information asymmetry, and thereby increase the efficiency of global trade."}]}],"pr":"5e9e6d1845e0123451c79bfb02c1b99d3852c4ec0dfdeafb9c41e3ff5685187e"}