{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the risks involved in the process of upgrading the blockchain version?","a":"Network  security risks: During the upgrade process, hackers may take advantage of the situation to launch attacks, using new vulnerabilities."}]}],"pr":"fe01676e4dc49d1b7864d8a359dda6c39e4d39bc1e0f894deca5d319212fe309"}