{
  "p": "can-20",
  "op": "mint",
  "tick": "can",
  "amt": "1000",
  "rows": [
    {
      "df": "qa",
      "content": [
        {
          "q": "Decentralization in blockchain is manifested in which aspects?",
          "a": "Distributed ledger: Blockchain  technology uses a distributed ledger to record transaction information, with multiple nodes jointly participating in maintaining the ledger, avoiding centralized control. This decentralized design makes the blockchain system more secure, stable, and transparent."
        }
      ]
    }
  ],
  "pr": "e9121848da00a76c9af43c0c9e92ad0fa46228d4b02d7fda8b9c1253346fe54e"
}