{"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":"6b197149279ebd03970311355186437e6957589ad76d4356955ad857949fe87a"}