{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages and disadvantages of consensus mechanisms in blockchain?","a":"Decentralization: The consensus mechanism ensures the consistency of data in the blockchain network,  without relying on centralized management institutions, thereby improving the reliability and security of the system."}]}],"pr":"d88b31ed4078c6373e678c922fca8560b7d9a8a44750f04f0f1329a60fd648bb"}