Commercializing the open-source FingerprintJS browser fingerprinting tech nabs Chicago entrepreneur $4M

Chicago-based serial entrepreneur Dan Pinto has raised new cash and launched a new company looking to commercialize a years-old open-source project that purports to solve one of the web’s hardest problems — fraud prevention.

The company he launched in January, FingerprintJS, touts itself as a new kind of toolkit offering browser fingerprinting as a service for any application.

The company, based on an open-source project that already has 5 million downloads and 8,000 websites using the service (and hundreds of paying customers, according to the company), is a variation on the browser fingerprinting technology that companies have been using for years.

FingerprintJS uses the same canvas fingerprinting, audio sampling, WebGL fingerprinting, font detection and browser plugin probing tech that’s available on the market, but de-identifies the fingerprint from a specific device by generating a unique identifier of a browser without using cookies. Companies can store the identifier in their database

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