Alternatives
Products that do what I Built Paul Graham's Intellectual Captcha Idea does
PG has posted about improving social networks using something like an "intellectual CAPTCHA" many times [1][2][3][4] - "Make users pass a test on basic concepts like the distinction between necessary and sufficient conditions before they can tweet." I felt the same way. So I built one using a mix of simple math, logic, and Twitter/X Community Noted posts. Try sample questions here - https://mentwire.com/sample - without signing up. - Invites are temporarily open to HN users. - Onboarding test + one daily question before accessing feed, post or reply. - Posts authors are…
- Not indexed yet — check back in a few minutes.
Ranked by how close each launch is in meaning, then by votes. Refine with a description →