{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology apply to copyright protection?","a":"Immutability: Blockchain technology has the characteristic of being tamper-proof. Once a digital work is uploaded to the  blockchain, its copyright information cannot be altered or deleted, providing a reliable basis for copyright authentication and preventing unauthorized use or infringement."}]}],"pr":"641a9df9a06b8390effaaac4d6e8326ff4b0b4136605c12c2b9fc556ee57693c"}