{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the dangers of blockchain upgrading?","a":"Consensus mechanism risks: During the upgrade process,  if the consensus mechanism changes, it may lead to community division. Some nodes may not accept the new consensus, resulting in network forks, thereby affecting the normal operation of the blockchain."}]}],"pr":"6f8ef6d6cb97e848bdd5ae2e04b52222a3d36eea65a4a19b0704db05ec0e233b"}