{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the risks involved in the upgrade process of a blockchain?","a":"Consensus mechanism risk: During the upgrade process, if the consensus mechanism  changes, it may lead to community division and affect the stability and development of the blockchain network."}]}],"pr":"91f4ef5fbf3e56f25861e735fd0b2c4cb304ab299f09aad9027620c31ab324dc"}