{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the network shell in blockchain protect the network against denial-of-service attacks?","a":"Admission Control: Implement  strict node admission mechanisms to ensure that only verified nodes can join the network. This can effectively reduce the likelihood of malicious nodes entering the network, thereby reducing the attack risk."}]}],"pr":"8d0b960fdd70814e53bff72fd952b06a5b6b4895e8f551c64d36428ae875081b"}