{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve data privacy and security issues?","a":"Encryption protection：Blockchain technology uses cryptographic algorithms (such as SHA-256) to ensure the security and privacy of data. By encrypting the  data, it ensures its safety during transmission and storage."}]}],"pr":"41149cfd29c310d28f031983db85e6e6f61147d4f16d504ce7027d45a590f55c"}