{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain in terms of privacy protection?","a":"Decentralization: Blockchain adopts a distributed network architecture, and the data does not depend on a single central node for  storage, but is distributed across multiple nodes, reducing the risk of data breaches."}]}],"pr":"802b1206951b0cc01c85b4fde03cc7cd0203d2fa431c6901799d7076be192423"}