{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to medical health data exchange and privacy protection?","a":"Establishing a trusted data circulation environment: Through blockchain technology, secure storage, automatic updating, data collaboration, prescription traceability and management of medical health data can be achieved, thus constructing a good environment for the trustworthy circulation of data."}]}],"pr":"59d6e08d3fd399a91696defd03b3198c8472c5619a96fd93b2aa0eea12c7a725"}