{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications and advantages of blockchain in the field of healthcare?","a":"Data security and privacy protection: Blockchain technology adopts a decentralized network  architecture, which can effectively prevent data tampering and leakage, ensuring that patient privacy is fully protected."}]}],"pr":"bf3e8b1409fd2621b003dee947c7c2fd395d8d6d886d7e633b052c5a18615a9e"}