{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are the priority levels of transaction fees determined in the blockchain?","a":"Real-time transaction: Transactions that need to be processed as soon as  possible, such as high-frequency transactions, urgent transactions, etc., have a higher fee priority."}]}],"pr":"87c808767685ece2d0f8d64940137bb53f7ae96f6c227fe7b04598cd9a16837a"}