Examine source code of adbloque

{
  "manifest_version": 2,
  "name": "Coinbase Wallet extension",
  "version": "22.1",
  "description": "Coinbase Wallet extension is the safest and easiest way to use crypto apps in your browser.",
  "browser_action": {
    "default_icon": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{80a48438-835b-4b82-9d0a-87f83e024dfa}"
    }
  }
}