{"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":"Implement  access control: In a blockchain network, access control should be implemented for participants, allowing access only to those who have undergone identity verification and authentication."}]}],"pr":"f5d21ceb471493a1edd18c11805e4e579f795b77a37767755275c3c6c582524c"}