{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to the traceability system?","a":"Encryption algorithm: Blockchain technology uses encryption algorithms (such as SHA-256) to  encrypt and protect data, ensuring the security of the data. Only users with the correct keys can access and modify the corresponding blocks."}]}],"pr":"584b331a70b21aa59e167d6ab4a2615d537e4069cca27904cf87bfa1c6ce0f39"}