{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the differences between blockchain and traditional databases?","a":"Decentralization: Blockchain adopts a decentralized control system, with data distributed across multiple nodes  without the need for a unified central controller. In contrast, traditional databases rely on centralized servers for data management and control."}]}],"pr":"43eccf25f4758bdcfe220bee15d5b9e4f133ce2412add6f71bf4e54d892e86e1"}