{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to create an active spot market in blockchain?","a":"Design trading mechanisms: To  attract users to participate in trading, a set of trading mechanisms needs to be designed, including trading fees, order books, and matching algorithms. These mechanisms should encourage liquidity provision and promote a fair and competitive trading environment."}]}],"pr":"f822615792b75301f9076333a37735140981b4025d0780ce53aad435cd33f73a"}