{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do programs on the blockchain record logs?","a":"Write logs: During the execution of smart contracts, logs are written according to the  necessary key information (such as operations, events, errors, etc.). These logs usually contain content such as time, location, operation type, and data to facilitate analysis and tracking."}]}],"pr":"eef706ea63ffe5451f9de5abd51997b21a1672e49ff9889f9080df5ae5c7e4f5"}