{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain be applied to the management of big data in healthcare?","a":"Decentralized storage and access: Blockchain adopts distributed ledger technology, which can decentralize the storage and access of medical and health data, reduce single points of failure, and improve data security."}]}],"pr":"6c44f443e0eaad3a105c85a59ecc7adf4945edd3be005de7378fc90fc6a38fd4"}