{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What aspects should be noticed when setting up security for blockchain nodes?","a":"Software security: Use securely verified software and firmware, and avoid using unknown or  unverified third-party code to ensure the security of the node software."}]}],"pr":"cae4904b5360c588922a782ac25883df3072d4e06a76f5afddc8bb85f922b8ca"}