{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the problem of digital copyright protection?","a":"Unique identifier: Blockchain technology can generate unique identifiers for digital works, ensuring the uniqueness and traceability of the works. By associating copyright information with unique identifiers, illegal copying and dissemination of infringing works can be effectively prevented."}]}],"pr":"47ffa27c1f6c40cc5c9130e780acd6e6add5d7293c7208354679698ee3e7f11d"}