{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to create a complete data snapshot before exporting chain status in blockchain?","a":"Determine the snapshot timestamp: First, decide the time point for the blockchain snapshot you want to export, which can be a specific block height or a certain time point."}]}],"pr":"2d3b84aa28ed6a1d542fe8daa798459bc64cc6b817f9e869239bae569c3e1e8a"}