{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are some applications of blockchain technology in cultural heritage and art preservation?","a":"Ancient Books Protection: Digitalizing  ancient literature and using blockchain technology to ensure the security, authenticity, and traceability of the data is beneficial for the protection and dissemination of ancient books."}]}],"pr":"ee3cbbbd2218a3221303aeb2d8047e0cb7660be42139574f0f9cfbad5955b012"}