{"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":"0e3e24966bb29546b9607a1d77c536aa70578645fd64449b5807c572dca22f79"}