{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the decentralized features of blockchain?","a":"Distributed data storage: Blockchain adopts a  distributed network architecture, with data stored on multiple nodes rather than on a centralized server. This makes the blockchain system more secure, stable, and less vulnerable to attacks and tampering."}]}],"pr":"be7a8ea60f3da49b62defe617cdd70477566658d3b25d392ea8415f7aa03bb5a"}