{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the problem of digital copyright management?","a":"Simplifying authorization process: Blockchain technology can achieve distributed authorization of copyright, making the authorization relationship between copyright holders, users, and disseminators more explicit."}]}],"pr":"9bed34b776080e2d9ae2febc62e1bd2631d79e9df5359d3513fa1ffc16587b82"}