{"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":"Use strong and unique  passwords for node management accounts, and regularly change them to prevent unauthorized access."}]}],"pr":"0350a9a5362f95305af05036262a2a818de27d4d8b978ff9932d85621bca2a96"}