{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the key points for creating and destroying objects in blockchain database operations?","a":"Ensure data consistency: When creating and destroying objects, it is essential to maintain data consistency in  the blockchain database. This can be achieved by implementing appropriate consensus algorithms and data synchronization mechanisms."}]}],"pr":"7917f2302c9697f1efe6f600c7b4b70c1ab7b45745961e1577bb176bd289efe7"}