{
  "p": "can-20",
  "op": "mint",
  "tick": "can",
  "amt": "1000",
  "rows": [
    {
      "df": "qa",
      "content": [
        {
          "q": "How can the integrity of global data operations be ensured in a blockchain?",
          "a": "Distributed ledger technology: Blockchain adopts distributed ledger technology, distributing data across multiple nodes, each  of which saves the complete ledger data. This method ensures the transparency and openness of the data while avoiding the risks brought about by centralized control."
        }
      ]
    }
  ],
  "pr": "044d44acd1a7514310d16af28c0945febaa54926c042086c8683e07050a8b651"
}