{"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":"Consensus risks:  During the upgrade process, nodes in the blockchain network may fail to reach consensus, resulting in network split, thereby affecting the normal operation of the blockchain."}]}],"pr":"6ceb9a135b7535e6a2357dc79f9bedb0365600d24d1414bf0d48ef244d4ec053"}