{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the main aspects of risk manifest in the process of blockchain version upgrading?","a":"Technical risks: During the upgrade process, there may be unresolved technical difficulties, code vulnerabilities, and performance degradation, which could lead to instability in the entire blockchain system or  even security failures."}]}],"pr":"1a90d2d563660223ccb6c2aba64a144a0af0add91fd7bc99d62e4651172126fc"}