{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the immutability of data?","a":"Decentralization: There is no central node  in the blockchain network, and all nodes are equal, each with a complete copy of the ledger. This means that any modification requires consensus from all nodes, making it impossible for any individual to modify the data in the blockchain alone."}]}],"pr":"25dea3c53366d4cd03370cbe28bca750e2413b824054e9b30a18e063613cbfae"}