hCaptcha Technical Architecture

hCaptcha
hCaptcha Blog
Published in
Aug 27, 2018

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2023 Update: This archived blog post described some of the early ideas and open source work behind the tech created for hCaptcha and other use cases in 2017.

It no longer describes the modern hCaptcha, which has evolved over the past six years and is now entirely focused on providing a security platform, including the Pro and Enterprise security products integrated by many popular online services.

For more up-to-date info, please see our current blog: https://www.hcaptcha.com/blog

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