{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In a blockchain, how do you execute bulk cancellation of derivative orders?","a":"The initiating party needs to build a transaction request for batch cancellation of derivative orders, including information about the orders to be canceled, verification  of the identities of both parties, and other relevant details."}]}],"pr":"c77118cc2f9389c8f0611b4d8ce8525325b2b4d9a0a4b661c98fa2ba98806f6b"}