{"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":"Enhanced data security:  Through decentralization and encryption technology, blockchain can ensure the safety of healthcare data during transmission and storage, preventing data breaches and tampering."}]}],"pr":"9f1bd18c32411e3b6d49f62d186840564eeee0dd417077afa5ebf60e3720351b"}