{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain technology in the field of intellectual property protection?","a":"The use of cryptography in blockchain technology ensures that intellectual property  assets are more secure"}]}],"pr":"6b8d6e4cfb16b3ba9d2b183562c358229690483ae0fe0ff885db45a3fa176351"}