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Discussion on: How the Web Audio API is used for browser fingerprinting

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Savannah Copland 👋

Hi Pankaj!

Our company (FingerprintJS) focuses on using browser fingerprinting as one tool of many to fight online fraud. Generally, a very small percentage of a website's traffic is responsible for the lion's share of fraudulent activity - cracking account logins, testing stolen credit cards, etc. By identifying fraudulent visitors via first-party tracking, websites can require additional authentication or other security workflows without gumming up the user experience for everyone else.

As far as ensuring that our paid product is used for anti-fraud reasons, we do work to ensure our customers are GDPR compliant, as sites using browser fingerprinting need to follow the same rules as cookies. Our pricing model also makes our solution not particularly viable for advertising use cases, which requires a very high volume of tracking.

For our open-source project, we can't control how our solution is used (and browser fingerprinting is already endemic on the web), but we feel that being transparent about the technology is better for the developer community at large.