Examine source code of Ethereum Crypto Ticker

{
  "manifest_version": 2,
  "author": "Paul",
  "name": "Ethereum Crypto Ticker",
  "short_name": "Ethereum",
  "version": "1.2resigned1",
  "description": "A Ticker for the Ethereum Cryptocurrency",
  "homepage_url": "https://github.com/Verified-Madgod/CryptoExtensions/Ethereum",
  "icons": {
    "48": "icons/ethereum-48.png"
  },
  "permissions": [
    "https://api.coinmarketcap.com/"
  ],
  "browser_action": {
    "default_icon": "icons/ethereum-32.png",
    "default_title": "Ethereum",
    "default_popup": "popup/ethereum.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6e95a5a2-5ec6-457c-a506-052dbcd77b2f}"
    }
  }
}