{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can you ensure the avoidance of privilege abuse when calling other programs in a blockchain?","a":"Design a permission control system: Blockchain platforms can develop a comprehensive permission control system, allocating different permissions to different users and roles, ensuring that only  users with the corresponding permissions can perform specific operations."}]}],"pr":"f970d1ccc136cf076c6a0d6e22190254130448164008b0f5fac148a951cc12a8"}