{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to ensure the security of network settings when running an Opera node with transaction tracking?","a":"Configure a firewall: Enable the firewall at  the operating system level to prevent unauthorized access. Ensure that the firewall allows necessary ports to be open, such as SSH, HTTP, HTTPS, etc."}]}],"pr":"5977eed4a00cdfa94726f7175284ace8fad6b55b01dbe6df17058a97341d170b"}