{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure data tamper-proof?","a":"Decentralization: Blockchain adopts a decentralized network structure, where all nodes have equal status and form a distributed  database. There is no central node, so any modification requires consensus from all nodes, ensuring that data cannot be tampered with individually."}]}],"pr":"c8da4b624ebf05cfe907989baf1ffee5cfdc05956e41e546155322ae85143413"}