{"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":"a85005e489be2f5f26426a5237938c15ce7343ebf343fd3169784684026d77e7"}