{"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":"3f2bb16a34a7bae2ff013e94c7e993472170268c886b34bb59a2a907d1fcf29a"}