{
  "version": "1.2.0",
  "chapters": [
    {
      "startTime": 24,
      "title": "Bitcoin Block: Version Number"
    },
    {
      "startTime": 53,
      "title": "Previous Block Hash"
    },
    {
      "startTime": 102,
      "title": "Merkle Root"
    },
    {
      "startTime": 287,
      "title": "Exploring Blocks on mempool.space"
    }
  ]
}