{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology prevent 51% attacks?","a":"Strengthen network security: Enhance the  security protection of the blockchain network, improve the identification and defense capabilities against malicious attacks, and reduce the success rate of the attack."}]}],"pr":"76322ca15a0aa4e7d5323c29c54579a5b423101568bfa8c1a3f1b76a35440474"}