Examine source code of Quickbit.eu

{
  "manifest_version": 2,
  "name": "QuickBit.eu",
  "version": "0.3.2.11resigned1",
  "description": "QuickBit is an instant and secure Bitcoin wallet which helps you manage your Bitcoin transactions.",
  "icons": {
    "16": "images/icon_16.png",
    "32": "images/icon_32.png",
    "48": "images/icon_48.png",
    "128": "images/icon_128.png"
  },
  "browser_action": {
    "default_icon": "images/icon_16.png",
    "default_popup": "popup.html",
    "default_title": "Bitcoin Wallet"
  },
  "author": "QuickBit.eu",
  "background": {
    "scripts": [
      "js/lib/jquery-3.2.0.js",
      "js/background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    "images/icon_16.png",
    "images/logo_icon.png",
    "scripts/jquery-3.2.0.js",
    "scripts/transactions.js",
    "styles/trans_history.css",
    "transactions.html"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "{538b335b-05df-4fd4-96c7-ad7feaa8ad58}"
    }
  }
}