{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to create a versioned transaction in a blockchain?","a":"Prepare transaction information: First, you need to prepare relevant information about the transaction, including the transaction subject,  transaction object, transaction amount, and other specific conditions of the transaction."}]}],"pr":"4374ed0ea1966caef21ca260c1483b27c815f8046e26c31a3d6b9b86cc1f500b"}