Show HN: Block distracting sites with a math or coding problem

Category: other

Tags: productivity, browser-extension, focus, math, self-control

Score: 4.7/10 (Innovation: 5, Technical: 4, Documentation: 3, Utility: 5)

Sphinx is a browser-based tool that blocks distracting websites until the user solves a math or coding problem. It aims to add friction to doomscrolling by requiring mental effort before accessing time-wasting sites.

Target audience: students, professionals, and anyone looking to reduce distracting website usage

Repository: https://sphinx.fyi/

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