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1. What is 'browser fingerprint'?

When you visit a website, even if you don't log in, many unique environmental information will be exposed. Together, this is like a 'network ID card' called a browser fingerprint, commonly including:

  • Hardware information: CPU model, graphics card model, memory size, etc.

  • Operating system information: Windows / macOS / Linux version

  • Browser information: version number, kernel, plugins, fonts

  • Network information: IP, time zone, language, WebRTC address

  • Audio fingerprint: slight differences in audio rendering

These pieces of information can almost uniquely identify a user; even if you change the IP and clear the cookies, the website may still recognize you.

2. What is multi-opening browsers?

Multi-opening browsers usually refer to running multiple independent browser environments simultaneously on one computer, ensuring that their cookies, cache, login states, and fingerprint information do not interfere with each other.

Simply put, it means one computer → multiple 'virtual browsers' existing simultaneously, each acting like an independent computer accessing the website.

2.1 Implementation methods for multi-opening browsers

Method A: System native multi-opening:

  • Use different browsers (Chrome, Firefox, Edge)

  • Multiple user profiles in the same browser (Profile)

  • Benefits: Free, secure

  • Drawbacks: Small fingerprint differences, easy to be associated by platforms.

Method B: Browser extension multi-opening

  • Use extensions to manage multiple cookies and sessions (SessionBox, MultiLogin plugin)

  • Benefits: Convenient and quick account switching

  • Drawbacks: Data isolation is not complete; fingerprints are still similar

However, the above two methods cannot be completely preventive; it can still be determined through fingerprints whether it is the same user.

3. Fingerprint browsers

As mentioned above, when you access a website using a regular browser, even if you change the IP and clear the cookies, the website can still identify you by collecting your device and environmental information. This combination of information is called browser fingerprint.

What about fingerprint browsers?

Fingerprint browsers generate an independent, customizable fingerprint for each browser instance and work with proxy IPs, achieving:

1 Multi-account anti-association

  • Cross-border e-commerce multi-stores (Amazon, Shopee, eBay)

  • Social media matrix (Facebook, TikTok, Twitter)

  • Advertising (Google Ads, Facebook Ads)

2 Privacy protection

  • Prevent big data tracking and precise profiling

3 Cross-region access

  • Simulate access to websites from different countries/devices

4 Risk control testing

  • Simulate different user environments to test platform security policies

4. Common fingerprint browsers

  • AdsPower (more Chinese users, commonly used in e-commerce)

  • GoLogin (simple interface)

  • Multilogin (established brand, but expensive)

  • Kameleo (supports API automation)

So what can be done?

  • Assign completely isolated browser environments for each account

  • Disguise as real device hardware and network parameters

  • Batch manage hundreds or even thousands of accounts

5. Does using a fingerprint browser guarantee safety?

It is not to say that using it is foolproof; there are still many precautions to take:

  • Must be used with proxy IP; otherwise, the fingerprints are different but the IP is the same, making it still possible to associate them.

  • Fingerprints should be reasonable; completely random fingerprints may actually appear abnormal.

  • Cannot guarantee 100% detection prevention; platforms will also combine behavioral data (mouse trajectory, browsing habits) for risk control.

  • Some uses have compliance risks, especially in bypassing bans.