{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain technology in data storage and management?","a":"Decentralization: Blockchain technology adopts a decentralized data storage method, distributing data across different nodes, thereby avoiding the security risks and single-point  failures associated with centralized data storage."}]}],"pr":"9be16a818c9373ac649d77f778a6d8d46d77160ec67055943205fe5a8e24c719"}