{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the healthcare industry?","a":"Blockchain technology can be used for medical personnel identity authentication, ensuring the security  and trustworthiness of medical services."}]}],"pr":"782168297e20d7a48331308879544b4d8a6a2feb94d7a7d95aa46bb42e18544e"}