{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the impact of migrating to a new version of go-opera on node data in a blockchain?","a":"Data structure changes: With the upgrade of the version, go-opera may optimize or adjust the data structure, which may require nodes to update the corresponding logic and algorithms when processing data. During this process, nodes need to adapt to  the new data structure to ensure normal operation."}]}],"pr":"1265a1ab9690ad9f644fd82d5bd5c686ea6691cf264998f87fe4a3d4b3ac4259"}