{
  "version": "1.2.0",
  "chapters": [
    {
      "startTime": 218,
      "title": "Welcome to grassroots bitcoin"
    },
    {
      "startTime": 354,
      "title": "Verifying your bitcoin"
    },
    {
      "startTime": 662,
      "title": "Understanding bitcoin with math"
    },
    {
      "startTime": 706,
      "title": "Private key as a cosmic needle in a haystack"
    },
    {
      "startTime": 754,
      "title": "Concepts: Times table and number systems"
    },
    {
      "startTime": 1031,
      "title": "Verifying bitcoin private key"
    },
    {
      "startTime": 1096,
      "title": "The bitcoin curve"
    },
    {
      "startTime": 1361,
      "title": "How do you know your private key sits on the curve?"
    },
    {
      "startTime": 1650,
      "title": "Magic internet math"
    },
    {
      "startTime": 1977,
      "title": "Questions and answers"
    }
  ]
}