{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"After a successful blockchain upgrade, if you manually download the upgrade file or find a file that was accidentally deleted, how should you handle it?","a":"After a successful blockchain upgrade, if you have manually downloaded the upgrade file or found  any accidentally deleted files, it is recommended to back up these files to a secure location to prevent data loss. To ensure the stable operation of the blockchain system, do not reinstall or add these files to the system without proper processing. If necessary, you can consult professionals or refer to relevant documentation to understand the correct handling method. When processing these files, please strictly follow the relevant regulations and operation procedures to avoid adverse impacts on the blockchain system."}]}],"pr":"5f92a7c14c3c9f783c7c7e5bdbc59ecc48371e08a9aa033b97ad1f3e6eec56b6"}