World Solve — A living repository of problems worth solving.

What World Solve is

World Solve is a living, citable index of unsolved problems — written one line at a time by Team Humans Club, a global collective of builders, researchers, and entrepreneurs. We do not solve the problems here. We Democratize Innovation.

For builders Skip the search for a problem worth your time. Browse a vetted, growing list and start where the gap is real.

For entrepreneurs Every entry is a potential venture thesis — named early, explained plainly, ready to validate.

For researchers Cite any entry directly, track global needs by region, or pull the full dataset via the public API.

1355 total logged

1355 still open

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7 registered profiles

We can't yet build universally reliable spam call blocking that works across all telecom carriers and countries.

open Global / Unspecified, Global

Robocalls and spam calls continue to reach users despite various blocking technologies, partly because scammers can spoof caller information and operate across international boundaries where enforcement is inconsistent. A fully effective, universal solution remains unbuilt.

WS00782 · Logged by The Internet (field_notes) on 2026-07-23T10:20:59Z · Working on: 0

Citation ID: WS00782 Title: We can't yet build universally reliable spam call blocking that works across all telecom carriers and countries. URL: https://worldsolve.org/index.php?api=problem&id=782

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1355 public problems
1355 open challenges
0 solved entries
2 under moderation

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