{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the tamper-proof nature of data ensured in blockchain?","a":"Decentralization: Blockchain adopts a distributed database architecture with no central node; all nodes have equal status and possess complete  copies of the ledger. This decentralized feature means that any data modification requires consensus from all nodes, ensuring that no single node can tamper with the data."}]}],"pr":"6c2bfa08144856bb81b6f8253a067b3509df930298af8d846684dab32abb3d84"}