Examine source code of Unstoppable Extension

{
  "manifest_version": 2,
  "name": "Unstoppable Extension",
  "short_name": "Unstoppable Extension",
  "version": "3.0.18",
  "description": "The Unstoppable Extension is used to access decentralized blockchain domains.",
  "icons": {
    "16": "icon/16.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "homepage_url": "http://unstoppabledomains.com",
  "author": "Unstoppable Domains <support@unstoppabledomains.com>, JohnnyJumper <http://github.com/JohnnyJumper/>",
  "browser_action": {
    "default_icon": "icon/48.png",
    "default_popup": "index.html"
  },
  "background": {
    "persistent": true,
    "scripts": [
      "scripts/background.js"
    ]
  },
  "options_ui": {
    "page": "index.html#/options",
    "open_in_tab": false
  },
  "permissions": [
    "*://*.crypto/*",
    "*://*.zil/*",
    "*://*.wallet/*",
    "*://*.nft/*",
    "*://*.888/*",
    "*://*.blockchain/*",
    "*://*.bitcoin/*",
    "*://*.dao/*",
    "*://*.x/*",
    "*://*.hi/*",
    "*://*.klever/*",
    "*://*.kresus/*",
    "*://*.polygon/*",
    "*://*.anime/*",
    "*://*.manga/*",
    "*://*.binanceus/*",
    "*://*.go/*",
    "*://*.altimist/*",
    "*://*.pudgy/*",
    "*://*.austin/*",
    "*://*.bitget/*",
    "*://*.pog/*",
    "*://*.clay/*",
    "*://*.witg/*",
    "*://*.metropolis/*",
    "*://*.wrkx/*",
    "*://*.secret/*",
    "*://*.raiin/*",
    "*://*.stepn/*",
    "*://*.kryptic/*",
    "*://*.ubu/*",
    "*://*.tball/*",
    "*://*.farms/*",
    "*://*.dfz/*",
    "*://*.smobler/*",
    "*://*.lfg/*",
    "*://*.dream/*",
    "*://*.benji/*",
    "*://*.mumu/*",
    "*://*.propykeys/*",
    "*://*.bald/*",
    "*://*.unstoppable/*",
    "*://*.google.com/*",
    "*://*.duckduckgo.com/*",
    "*://*.yahoo.com/*",
    "*://*.yandex.ru/*",
    "*://*.qwant.com/*",
    "*://*.mojeek.com/*",
    "*://*.aol.co.uk/*",
    "*://*.baidu.com/*",
    "*://*.bing.com/*",
    "*://*.wiki.com/*",
    "*://*.unstoppabledomains.com/*",
    "storage",
    "webRequest",
    "webRequestBlocking"
  ],
  "applications": {
    "gecko": {
      "id": "ryan@unstoppabledomains.com"
    }
  }
}