{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to securities trading?","a":"Improving clearing and settlement efficiency: Blockchain technology can real-time update transaction information, achieving second-level clearing and settlement, which greatly enhances the speed and  efficiency of securities trading."}]}],"pr":"5c56cea5eabd95b3cfe6e0d629bb046d3a9c3a8c27b0b9643806c94b85852963"}