{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the security of the network?","a":"Immutable data: The data in blockchain is stored in a block-chain structure, where each block contains a certain number of transaction data. Once the data is added to the  blockchain, it cannot be tampered with, ensuring the authenticity and credibility of the data."}]}],"pr":"71c04a10b9040bd7216deeac06d32bdb9f76cb17aefc31f57a9a3974b29944b9"}