{"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":"Send the transaction request to the blockchain network and wait for confirmation. The blockchain network will validate the effectiveness of the transaction request, ensuring that  the order information and identity verification are correct."}]}],"pr":"593fcfca91df96ac7543f2392c20afc970867164c1effbfb40ac50af838cba72"}