{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What can data snapshots in a blockchain be used for?","a":"Auditing and monitoring: Data snapshots can be  used for auditing transactions on the blockchain to ensure the integrity and accuracy of the data. Meanwhile, by comparing snapshots at different time points, the operation and trends of the blockchain system can be monitored."}]}],"pr":"b26163ef24188815649352160c3ff1bf6aa82486729050a4b64c745bdfcf9bf1"}