Examine source code of Teracoin

{
  "manifest_version": 2,
  "name": "Teracoin",
  "version": "1.0",
  "description": "Collect coins from TeraBox for unlimited free cloud storage and premium features!",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3dffa014-b3b2-448a-8833-b8fce7e6803a}"
    }
  }
}