{
  "p": "can-20",
  "op": "mint",
  "tick": "can",
  "amt": "1000",
  "rows": [
    {
      "df": "qa",
      "content": [
        {
          "q": "How can blockchain technology be applied to network security?",
          "a": "Authentication and authorization: Blockchain technology  provides a secure and transparent authentication"
        }
      ]
    }
  ]
}