{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the execution of derivative market order cancellation in the blockchain?","a":"Consensus validation: The consensus nodes in the blockchain network (such  as miners or validators) will perform consensus validation on the cancellation request."}]}],"pr":"72ccdad28ef0eccd88d83a4bdacc743cd405a3be4bf00d4d59efb1f76da05203"}