{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of blockchain technology in cultural heritage preservation?","a":"Protection of traditional cultural heritage: Blockchain technology can help preserve traditional cultural heritage by ensuring the integrity and authenticity of  historical records, as well as preventing the falsification and theft of cultural relics."}]}],"pr":"18aa834dd762468a9993b1ca10a45360ec3fa9e52b7445419386fccb8e9c064a"}