{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the significant role of consensus mechanism in ensuring the stability of blockchain?","a":"Preventing Double-Spending Attack: Consensus mechanisms can ensure that a transaction can only be recorded once in the blockchain network, thus avoiding the risk of double-spending attacks (double-spending attack). A double-spending attack refers to the illegal behavior in which an attacker tricks the system by sending the same transaction amount to different blockchain nodes simultaneously."}]}],"pr":"21d1a7eca6696de780742eda01fd800c6cd2c334a464d065d0a349f1ed649a60"}