{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the integrity of data and prevent tampering?","a":"Decentralization: There is no central node in the blockchain network, all nodes are equal, and each node has a complete copy of the ledger. This decentralized structure requires consensus from all nodes for any modifications, ensuring that no single entity can modify the data in the blockchain."}]}],"pr":"6ed5db3db98c189adfc8f1ac2b6a43e1d409c21293b7a43a817bd37380c4bab1"}