{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the potential problems in the process of blockchain upgrading?","a":"Consensus mechanism adjustments: Changing the consensus mechanism may lead to community divisions, especially  in terms of equity distribution, which may affect the stability of the blockchain project."}]}],"pr":"b1f26ad54dd2618c9c79e7f59616941e8b50c2c7937074042f0f1f0199e1497c"}