Examine source code of minerBlock

{
  "applications": {
    "gecko": {
      "id": "xd4rker@gmail.com"
    }
  },
  "manifest_version": 2,
  "name": "minerBlock",
  "description": "Blocks cryptocurrency miners all over the web.",
  "version": "1.2.17resigned1",
  "options_ui": {
    "page": "options.html"
  },
  "background": {
    "scripts": [
      "js/utils.js",
      "js/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "js/content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon.svg",
      "32": "icons/icon.svg"
    },
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "storage",
    "unlimitedStorage",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "web_accessible_resources": [
    "js/minerkill.js"
  ]
}