{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to ensure the security of network settings when setting up a blockchain node?","a":"Authentication and authorization: Implement authentication and authorization mechanisms between blockchain nodes to prevent unauthorized access  and malicious actions. This can include using digital certificates, public-key infrastructure (PKI), and other security protocols."}]}],"pr":"3027e4d039dc659da717673db170233d0e1e05fd7681c21d5569bcaa453d2834"}