{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to handle derivative market parameter update proposals?","a":"Analysis and evaluation: Analyze the collected  data to assess the current operation of the derivative market and the rationality of various parameters. Based on this, identify potential problems and parameters that need to be updated."}]}],"pr":"74430811255b2d49cdda211de70d56c5b492856c03eeb81496a615be8dbbe937"}