{
  "p": "can-20",
  "op": "mint",
  "tick": "can",
  "amt": "1000",
  "rows": [
    {
      "df": "qa",
      "content": [
        {
          "q": "What are the application prospects of combining blockchain and Internet of Things (IoT)?",
          "a": "Supply Chain Management: Through blockchain technology, real-time monitoring and tracking of production,  circulation, and sales of materials can be achieved, improving supply chain transparency, reducing logistics costs, and ensuring the authenticity and credibility of data."
        }
      ]
    }
  ],
  "pr": "5afbf6c137d2bbc7c848a789d23437c5473040f810c0282bd660c48bc0fea67b"
}