{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the potential issues in the process of blockchain upgrading?","a":"Consensus mechanism adjustments: Adjustments to the consensus mechanism during the upgrading process may lead to community division. For example, when switching from proof of work (PoW) to new consensus mechanisms such as proof of stake (PoS), some holders may lose their rights and interests due to  not meeting the requirements of the new consensus mechanism."}]}],"pr":"dcefcd2c3e17e99f7aa16f80b6492e02814ba8b7f8e0bad001af276f453809d1"}