{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the risks involved in the process of blockchain upgrading?","a":"Technical Risks: During the upgrade process, technical failures may occur in the blockchain system,  such as code vulnerabilities, security issues, etc., which may affect the stability and security of the system."}]}],"pr":"ebaef2d9045a65ce37121ac3c446f47d8ef615226397225278f729acb656438c"}