text: module.exports = [
    ['/', 'Back to Table of Contents'],
    ['/introduction/', 'From Blockchain to ARK'],
    {
      title: 'Blockchain introduction',
      collapsable: false,
      children: [
        ['/introduction/blockchain/', 'Intro to Blockchain'],
        '/introduction/blockchain/what-is-blockchain',
        '/introduction/blockchain/how-secure-is-blockchain',
        '/introduction/blockchain/why-do-blockchains-exist',
        '/introduction/blockchain/when-do-you-need-blockchain',
        '/introduction/blockchain/anonymous-vs-untraceable',
        '/introduction/blockchain/understanding-consensus-models'
      ]
    },
    {
      title: 'ARK',
      collapsable: false,
      children: [
        ['/introduction/ark/', 'Intro to ARK'],
        '/introduction/ark/ark-network-topology',
        '/introduction/ark/understanding-transactions-and-block-propagation',
        '/introduction/ark/what-is-an-ark-address',
        '/introduction/ark/interoperability-and-ark',
        '/introduction/ark/how-does-ark-smartbridge-work',
        '/introduction/ark/what-is-delegated-proof-of-stake'
      ]
    }
  ]
  