{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology address the issue of tampering with transaction data?","a":"Decentralized storage: Blockchain adopts a decentralized data storage method, and transaction data is stored on various nodes across the entire network rather than on a  single centralized server. This decentralized feature makes tampering with data on a certain node meaningless, as tampering requires simultaneously tampering with the data on all related nodes, which is extremely difficult."}]}]}