{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology prevent 51% attacks?","a":"Increase  mining difficulty: By continuously adjusting the mining difficulty, the cost of occupying 51% of the computing power for the attacker is increased, thereby reducing the feasibility of the attack."}]}],"pr":"7885102d0cb7edaba92eef283b9ffa2fa5e345ebc745c9937a07848bb545bd85"}