Rebuilding CAPTCHA with Jev to tell humans from bots

The author turns form-filling behavior into a few plain sentences for Jev to judge human or bot, rebuilding CAPTCHA, with a blog post and source code.

Jarek

@jarekceborskiArchived 2026.09.25Originally posted 2026.09.24

Jarek @jarekceborskiOriginally posted 2026.09.24

Open original on X

I rebuilt CAPTCHA with Jev The browser measures how you fill in the form. Server turns that into a few plain sentences, and Jev decides: person or bot. Blog post with source code in the comments:

x.com/jarekceborski/status/2103071312323158512Archived 2026.09.25 10:06

Open original on X