Fingerprint, a Chicago-based startup that provides a device intelligence API, has raised $33 million in a Series C funding round led by Nexus Venture Partners and Uncorrelated Ventures. The company helps developers build security solutions using information from hardware accessing a website, such as fonts, screen resolution, and SSL handshake.

The company’s co-founder and CEO, Dan Pinto, said that the goal of Fingerprint is to prevent fraud by uniquely identifying devices and blocking malicious activities, such as account takeover, stolen credit cards, and fake accounts. He said that traditional methods of tracking devices, such as cookies and IP addresses, are no longer effective due to changes in browser technology and the use of VPNs.

According to TechCrunch, Fingerprint’s technology is based on an open source library called Fingerprint.js, created by co-founder and CTO Valentin Vasilyev. The company offers a pro version of the service that has more advanced features and functionality than the open source version. The pro version costs $79 per month for up to 50,000 requests.

The company claims to have over 6,000 customers, including TD Ameritrade, Western Union, and US Bank. It also has 100 employees and plans to use the new funding to expand its team and product offerings. Pinto said that the company does not collect personal information from devices and complies with privacy regulations such as GDPR. He added that the company’s service is not intended for marketing and advertising purposes, but for security and fraud prevention.

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