{"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":"cde32f280a41b3f0f5f84e6a0279937215d999d36d78ef6e0a3a8293df772675"}