{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do validators in blockchain help prevent the occurrence of long-range attacks?","a":"Forward Security Keys: Validators employ a forward security keys strategy, regularly updating their own keys to ensure that attackers have difficulty obtaining old  keys and using them to create forged blocks."}]}],"pr":"74a0e59461f4f77659740d004d645c98131b60cc8362e4beb4e1b7d1c610ccca"}