#571 How Open-Source Turns Into Business with Valentin Vasilyev, Co-Founder & CTO at Fingerprint
Today we’re talking to Valentin Vasilyev, Co-Founder & CTO at Fingerprint; and we discuss how an open-source tool becomes a full-fledged business; the ways in which browsers are fingerprinted in order to stop fraud; and why unwasted time may be our most important resource.
All of this right here, right now, on the Modern CTO Podcast!
Check out more of Valentin and Fingerprint at https://fingerprint.com/!

About Valentin Vasilyev:
Valentin is co-founder and Chief Technology Officer at Fingerprint (formerly FingerprintJS), which started as an open-source project in 2012 under the former name. which still exists today. Fingerprint became a SaaS product in 2020 when co-founder and CEO Dan Pinto joined the company. Valentin has a 20+ year developer career as a polyglot programmer which includes expertise in Ruby-on-Rails and JavaScript. FingerprintJS began as a side project and turned into a full-time career, which now supports over 6,000 companies, 12% of the Top 500 websites, and an active GitHub community with over 17K+ stars.
About Fingerprint:
Fingerprint empowers developers to stop online fraud at the source.
We work on turning radical new ideas in the fraud detection space into reality. Our products are developer-focused and our clients range from solo developers to publicly traded companies. Some of our customers include Coinbase, Booking.com, Target, and Yahoo just to name a few.
We are a globally dispersed, 100% remote company with a strong open-source focus. Our flagship open source project is FingerprintJS (16K stars on GitHub).
We have raised $44M and are backed by Craft Ventures (previously invested in Tesla, Facebook, Airbnb), Nexus VP (previously invested in Postman & Hasura), and Uncorrelated Ventures (previously invested in Redis, Rollbar & Gradle).