{
  "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"
}