{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the main application scenarios of blockchain technology?","a":"Medical field: Blockchain technology can be used for patient data management, drug traceability, and ensuring  the safety of medical products."}]}],"pr":"c134533d7752c5b541bd4e035845cdaeb8bf49e6cb08bf173af01fe1358e6ad7"}