{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology apply to copyright protection?","a":"Transparency and traceability: The  distributed ledger system of blockchain technology enables the public"}]}],"pr":"1582d1321c185950b4f6a16b77abe16f7d78e44907183020b7ad9d2ee5cf9da0"}