{
  "p": "can-20",
  "op": "mint",
  "tick": "can",
  "amt": "1000",
  "rows": [
    {
      "df": "qa",
      "content": [
        {
          "q": "How can blockchain be applied in the field of public services?",
          "a": "Cost reduction: Blockchain technology can simplify processes, reduce the participation of third-party institutions, reduce the  cost of public services, and improve efficiency."
        }
      ]
    }
  ],
  "pr": "299a832e5aff031b5766678c8c19e4aacf06397851f36bf41c08e1e840dc2ab8"
}