{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is tracking data stored and managed in blockchain nodes?","a":"Decentralization: Blockchain adopts a decentralized network structure, which significantly reduces the risk of centralized data storage  and management. The distribution of nodes across the network ensures that the system is stable and reliable, and the data is safe and transparent."}]}],"pr":"26b36b7b6b4aadbd2299f3287f4c3ee537f89e6bfdfbdeb6ce0589bb6bace340"}