{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to protect against Distributed Denial of Service (DDoS) attacks in blockchain?","a":"Network layer defense: By using devices  such as firewalls, intrusion detection systems (IDS), and intrusion prevention systems (IPS), the entrance of the blockchain network is monitored and filtered to prevent malicious traffic from entering the network."}]}],"pr":"cc1bbfd9e849c8f57535cdd9d952df0839ddc9e5c4cd55aee5d9e8daaf668b05"}