{"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":"Network security risks: During the upgrade process, hackers may take advantage of vulnerabilities to tamper with or steal data from the blockchain system, posing serious security risks to  the entire network."}]}],"pr":"042bcbedff878d04ca8f2a9036953f3eebddde5d27f1a1e1596900f3b79676f5"}