{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to handle derivative market parameter update proposals?","a":"Information collection: First, relevant parameter data related to the derivative market, such as market prices, volatility, interest rates, etc., needs to be collected. These data can be obtained from various public channels, such as financial statements, market survey  reports, etc."}]}],"pr":"b4caf571cbb96e7534895eb0eacd37236430b135cb043b96ceed183a50623d3c"}