{"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 healthcare?","a":"Patient privacy protection: Blockchain technology allows patients to encrypt and control their health data, ensuring that only  authorized medical institutions and patients can access the data, thereby protecting patient privacy."}]}],"pr":"0b3746fd66065f74aa1d26d416c6f36b12b689adfc4bdcc13ed0a3840e66a23e"}