{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the differences between blockchain and traditional databases?","a":"Data storage and management method: Blockchain adopts  distributed ledger technology, storing data on multiple nodes, achieving decentralized control; while traditional databases use centralized storage, concentrating data on servers, which are managed and maintained by specialized personnel."}]}],"pr":"c7b961c2c2e0fb1d9d16158e68d7c8c9b5f277b8aadc6fea10bf28ed49ed1366"}