{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to the protection of art and cultural heritage?","a":"Copyright protection: Utilizing blockchain technology to provide copyright protection for authors of artworks and cultural heritage, ensuring that their rights and interests are properly safeguarded. By recording the creation time, author information, etc. of the works on the blockchain, it  is convenient to trace the source of the works and the ownership of rights."}]}],"pr":"2f504b459f1806f3d5089912a1e6c51d3782691e352ae303432c928112004be7"}