{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to digital copyright protection?","a":"Immutability: Once data is recorded in blockchain technology, it is difficult to change. This makes the information in copyright registration, transaction, authorization, and other aspects highly credible, helping to solve issues  related to copyright disputes and infringement identification.↵↵3..."}]}],"pr":"ca623ba04932179769e0e6f84ec092d639e3027f8f51ec421b158a105d8b1c08"}