Crypto Browser Hardening Guide: LibreWolf & Brave on FreedomTech Laptops

Crypto Browser Hardening Guide: LibreWolf & Brave on FreedomTech Laptops

Popular internet browsers, such as Microsoft Edge, Mozilla Firefox, and Google Chrome, are prone to various vulnerabilities. Zero-day threats to these browsers open the digital doorway for cybercriminals to steal your financial information, crypto credentials, and personal data. The result means you could end up with millions in digital assets being stolen.

For those interested in a more serious solution to online exploration, we offer our Linux laptops, built around a proven crypto browser strategy designed with crypto-investing security in mind. We customize these devices with a proven “two-browser” strategy that ensures you have better protection when you need it most. That includes using LibreWolf as your vault browser and Brave as your secure browser for crypto research, downloads, emails, and exchange communication.

LibreWolf: The Vault Browser for Wallets

The idea behind our two-browser strategy is to separate crucial information into two distinct, equally protective silos. That makes it much harder for criminals to access your crypto accounts and asset wallets.

We start with LibreWolf. This is an advanced, high-security browser designed for use with crypto wallets only. You want to isolate wallet interactions from other activities, such as casual browsing or streaming. There are several ways to “harden” this browser for even more protection, including:

Step 1: Create a Dedicated Profile

We have already set this up for you, however if required these are how you may set it up. Open a new terminal and run librewolf -P. You can create a new profile named “Crypto” and select that whenever you use LibreWolf for wallets and dApps.

Step 2: Adjust Privacy & Security Settings

We’ve already adjusted some settings, but you’ll want to confirm these on your own. By default, your LibreWolf browsers should include:

 

  • Enhanced Tracking is set to Strict
  • Already blocks all third-party cookies
  • Delete cookies and site data on exit is enabled
  • Set history to Never Remember History

Autofill options are disabled on forms, payments, and logins.

Step 3: Permissions

Different hardware devices will want access to your LibreWolf browser. You want these turned off or modified. The camera and microphone should be set to “always block,” and the location and notifications should be set to “block.”

Step 4: Fix about: config Tweaks

For even more hardening, be sure to apply the following values in your about:config settings:

 

  • resistFingerprinting: true (resists tracking through fingerprints).
  • peerconnection.enabled: false (disables WebRTC leaks).
  • enabled: false.
  • battery.enabled: false.
  • sensors.enabled: false.
  • cookie.cookieBehavior: 1 (block third-party cookies).
  • trr.mode: 2 (DNS over HTTPS, fallback to DoT).

dom.security.https_only_mode: true (force HTTPS-only browsing)

Step 5: Essential Add-ons

There are some additional third-party add-ons we recommend installing into your LibreWolf browser. Those include:

  • uBlock Origin: blocks ads and trackers.
  • NoScript: allows scripts only on trusted wallet websites.
  • Cookie AutoDelete: automatically deletes cookies when tabs close.
  • LocalCDN: prevents CDN-based fingerprinting.
  • MetaMask / Web3 Wallets (only if required): installed by the client in this profile only.

Finally, when using your LibreWolf browser, ensure that you always have always have your Mullvad VPN turned on. Confirm your IP and WebRTC status at ipleak.net and only bookmark official wallet sites, not email links or ads. You should clear your session after each use to ensure your data is safe, free from telemetry, and not tracked.

Brave: The Secure Crypto Browser for Research & Communications

The Brave crypto browser is meant for daily crypto trading and research. It is a privacy-centric software program that will ensure compatibility with exchange portals and wallet downloads. Unlike Chrome or Edge, the privacy is “baked into” the browser settings, making it much easier to keep your crypto information safe from cybercriminals.

We’ve taken the liberty of setting up your Brave browser settings appropriately. Here are the steps you should take to confirm this informatio

Step 1: Core Privacy & Security

Set your shields to Aggressive and block all third-party cookies. Ensure that HTTPS-Only mode is enabled and WebRTC is disabled to prevent IP leaks. All media with sound should be blocked via autoplay, and background apps should be disabled to reduce lag.

Step 2: Privacy & Data Handling

You don’t want to leave a digital trail of information for others to track across different crypto websites. That is why you should have:

 

  • Clear cookies and site data on exit: enabled.
  • History: cleared on exit (or fully disabled).
  • Autofill for forms, logins, and payments: disabled.
  • Sync: turned off for privacy.

Step 3: Disable Brave Features

While Brave is an advanced browser, there are some default settings that you’ll want to modify. Be sure Brave Rewards (brave://rewards/) and Brave Leo AI (brave://settings/leo) are disabled. Any other integrations should be off to reduce telemetry.

Step 4: Extensions

We recommend keeping add-ons to a minimum. The core essentials that we think work best with Brave include:

 

  • uBlock Origin: ad and tracker blocker.
  • Cookie AutoDelete: clears cookies automatically when tabs close.
  • NoScript: controls scripts on untrusted sites.
  • LocalCDN: reduces CDN fingerprinting.

 

Finally, always use a VPN, keep your DNS routed through Mint’s baseline DNS over TLS, and confirm your IP and WebRTC at ipleak.net. Never bookmark anything except for official broker, exchange, and wallet sites. If you do use email, keep it to crypto-related communication on an encrypted service like ProtonMail.

 

Never download anything without verifying checksums and signatures, and treat all attachments as hostile unless you trust the sender. Brave might be your broader browsing experience, but your habits matter just as much as its security features.

Keeping Your Crypto Browser Setup Separate

Purchasing an advanced crypto browser ready Linux laptop from our team at Freedom Technology and Services ensures your optimal protection. The golden rule is to use our two-browser crypto browser strategy, where LibreWolf is for wallets like Trezor, Ledger, and MetaMask only. Brave is for research, communication, and downloads. Never mix the two, and you should be all set.

We work hard to ensure you have the best security possible with our customized Linux laptops. Yes, you can close Brave after each use to reduce cookies and lock LibreWolf when finished by using unique passwords, what you want is a crypto laptop designed for security to support you along the way. Purchase ours today and experience the investing power of crypto, without the risk of breaches or vulnerabilities.