{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to copyright protection?","a":"Copyright transaction management: Through blockchain technology, transparent transactions and management of copyright can be achieved, ensuring the security, fairness, and credibility  of copyright during the transaction process."}]}],"pr":"217d82ddb9fce91f6a20be492c3f73837b9569159a90e74c654f0c6c04c3e624"}