{"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":"aa466638040aad8226333672f2420a12671553b01af07615fc06b64e4605db43"}