{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain address the issue of data tampering?","a":"Decentralization: Blockchain adopts a distributed network architecture, lacks central nodes, and all nodes have equal status. Each node stores a complete copy of the ledger, and any data modification requires consensus from all nodes. Therefore, no single person can tamper with the data in the blockchain, ensuring the immutability of data."}]}]}