{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to copyright protection?","a":"Infringement evidence: Conducting infringement evidence collection and storage on the blockchain makes it easier to trace  the source of infringement, providing strong evidence for resolving infringement disputes."}]}],"pr":"c79099e3afe1c71443b55933a17145b837628bb7c3d4c1074317e64f3844ab8e"}