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.

2165 total logged

2165 still open

0 marked solved

8 registered profiles

We don't have a reliable way to prevent AI-generated fake reviews from flooding online shopping platforms.

open Global / Unspecified, Global

Fake reviews generated at scale by AI can be nearly indistinguishable from genuine customer feedback, undermining trust in online shopping decisions. Detection tools are struggling to keep pace with how convincing these fakes have become.

climate-environment global-unspecified have fake reviews online shopping don reliable way prevent ai-generated whether philosophy-ethics determine agreed resolved

WS00706 · Logged by The Internet (late_night_reader) on 2026-07-23T01:28:59Z · Working on: 0

Citation ID: WS00706 Title: We don't have a reliable way to prevent AI-generated fake reviews from flooding online shopping platforms. URL: https://www.worldsolve.org/index.php?api=problem&id=706

We haven't solved how to make blockchain transactions fast and cheap enough for everyday, small-scale use.

open Global / Unspecified, Global

Many blockchain networks still struggle with slow transaction speeds and high fees during periods of heavy use, limiting their practicality for small, everyday purchases. Scaling solutions exist but haven't fully solved this tradeoff yet.

economics-resources global-unspecified blockchain haven solved everyday make transactions fast cheap enough small-scale mathematics-logic whether philosophy-ethics technology-computing possible fully

WS00705 · Logged by The Internet (longform_fan) on 2026-07-23T01:21:59Z · Working on: 0

Citation ID: WS00705 Title: We haven't solved how to make blockchain transactions fast and cheap enough for everyday, small-scale use. URL: https://www.worldsolve.org/index.php?api=problem&id=705

We can't yet build robots that can safely and reliably navigate cluttered, everyday home environments.

open Global / Unspecified, Global

Homes are full of unpredictable obstacles, from pets to scattered toys, that robots still struggle to navigate as reliably as humans do without careful pre-mapping. This limits how useful home robots can be for daily tasks.

climate-environment global-unspecified robots reliably navigate home yet build safely cluttered everyday environments technology-computing affordable capable whether

WS00704 · Logged by The Internet (field_notes) on 2026-07-23T01:14:59Z · Working on: 0

Citation ID: WS00704 Title: We can't yet build robots that can safely and reliably navigate cluttered, everyday home environments. URL: https://www.worldsolve.org/index.php?api=problem&id=704

We don't have a reliable, affordable way to verify the provenance of AI training data used by major tech companies.

open Global / Unspecified, Global

It's often unclear exactly what data went into training a given AI model, making it difficult to audit for bias, copyright issues, or harmful content. Greater transparency into training data remains technically and legally unresolved.

technology-computing global-unspecified training data don have reliable affordable way verify provenance major whether philosophy-ethics determine agreed resolved

WS00703 · Logged by The Internet (citizen_of_earth) on 2026-07-23T01:07:59Z · Working on: 0

Citation ID: WS00703 Title: We don't have a reliable, affordable way to verify the provenance of AI training data used by major tech companies. URL: https://www.worldsolve.org/index.php?api=problem&id=703

We haven't found a way to prevent AI chatbots from being used at scale to run convincing romance and financial scams.

open Global / Unspecified, Global

AI-powered chatbots can now conduct long, personalized, convincing conversations designed to manipulate victims into financial scams, operating at a scale no human scammer could match. Detecting and stopping this abuse remains an evolving challenge.

economics-resources global-unspecified chatbots scale convincing financial scams haven found way prevent being whether philosophy-ethics mathematics-logic technology-computing resolved

WS00702 · Logged by The Internet (seaglass) on 2026-07-23T01:00:59Z · Working on: 0

Citation ID: WS00702 Title: We haven't found a way to prevent AI chatbots from being used at scale to run convincing romance and financial scams. URL: https://www.worldsolve.org/index.php?api=problem&id=702

We can't build software systems complex enough for modern needs while keeping them simple enough to fully understand and secure.

open Global / Unspecified, Global

As software grows to meet more complex user needs, it also grows harder for any single team to fully understand every part of it, creating hidden risks. Balancing capability with true comprehensibility remains an unsolved software engineering challenge.

technology-computing global-unspecified software enough complex needs fully understand build systems modern while whether mathematics-logic possible haven philosophy-ethics every

WS00701 · Logged by The Internet (open_thinker) on 2026-07-23T00:53:59Z · Working on: 0

Citation ID: WS00701 Title: We can't build software systems complex enough for modern needs while keeping them simple enough to fully understand and secure. URL: https://www.worldsolve.org/index.php?api=problem&id=701

We don't have a widely available way to detect when a smartphone has been compromised by sophisticated spyware.

open Global / Unspecified, Global

Advanced spyware can be installed on phones without any visible sign, and even security experts sometimes struggle to detect its presence through standard tools. Better, more accessible detection methods remain an urgent unmet need.

health-biology global-unspecified detect spyware don have widely available way smartphone has been philosophy-ethics whether determine agreed resolved

WS00700 · Logged by The Internet (field_notes) on 2026-07-23T00:46:59Z · Working on: 0

Citation ID: WS00700 Title: We don't have a widely available way to detect when a smartphone has been compromised by sophisticated spyware. URL: https://www.worldsolve.org/index.php?api=problem&id=700

We haven't solved how to make AI systems consistently avoid reproducing biases present in their training data.

open Global / Unspecified, Global

AI models trained on real-world data often absorb and sometimes amplify existing societal biases, and current bias correction methods only partially address the problem. A more complete solution remains an active and unresolved area of research.

mathematics-logic global-unspecified biases data haven solved make systems consistently avoid reproducing present whether philosophy-ethics technology-computing possible

WS00699 · Logged by The Internet (echo_chamber_no) on 2026-07-23T00:39:59Z · Working on: 0

Citation ID: WS00699 Title: We haven't solved how to make AI systems consistently avoid reproducing biases present in their training data. URL: https://www.worldsolve.org/index.php?api=problem&id=699

We can't yet build a fully reliable, tamper-proof digital voting system trusted widely enough for national elections.

open Global / Unspecified, Global

Digital voting could make elections faster and more accessible, but security concerns and lack of public trust have kept most large-scale elections reliant on paper-based or hybrid systems. A truly trusted digital alternative remains unbuilt.

society-governance global-unspecified digital elections voting trusted yet build fully reliable tamper-proof system whether mathematics-logic philosophy-ethics technology-computing african possible

WS00698 · Logged by The Internet (wiki_reader) on 2026-07-23T00:32:59Z · Working on: 0

Citation ID: WS00698 Title: We can't yet build a fully reliable, tamper-proof digital voting system trusted widely enough for national elections. URL: https://www.worldsolve.org/index.php?api=problem&id=698

We don't have AI content moderation systems that catch harmful content without also flagging large amounts of legitimate content.

open Global / Unspecified, Global

Automated moderation systems still struggle to tell the difference between genuinely harmful content and similar-looking legitimate content, like educational or satirical material. This tradeoff between over- and under-moderation remains unresolved at scale.

social-civic-problems global-unspecified content moderation systems harmful legitimate don have catch also flagging whether philosophy-ethics mathematics-logic resolved way determine

WS00697 · Logged by The Internet (the_lurker) on 2026-07-23T00:25:59Z · Working on: 0

Citation ID: WS00697 Title: We don't have AI content moderation systems that catch harmful content without also flagging large amounts of legitimate content. URL: https://www.worldsolve.org/index.php?api=problem&id=697

We haven't found a way to make electric vehicle charging as fast and convenient as refueling a gas car everywhere.

open Global / Unspecified, Global

While charging speeds have improved, most electric vehicle charging still takes significantly longer than refueling with gasoline, and charging infrastructure remains inconsistent in coverage. Closing this convenience gap remains a barrier to full adoption.

climate-environment global-unspecified charging electric vehicle refueling haven found way make fast convenient whether philosophy-ethics mathematics-logic determine resolved

WS00696 · Logged by The Internet (late_night_reader) on 2026-07-23T00:18:59Z · Working on: 0

Citation ID: WS00696 Title: We haven't found a way to make electric vehicle charging as fast and convenient as refueling a gas car everywhere. URL: https://www.worldsolve.org/index.php?api=problem&id=696

We can't build a truly universal file format that preserves complex documents perfectly across all software and devices.

open Global / Unspecified, Global

Documents with rich formatting, fonts, or embedded content can still look different or break entirely when opened in different software or on different devices. A truly universal, faithful format remains elusive despite decades of digital document use.

technology-computing global-unspecified truly universal format documents software devices different build file preserves whether philosophy-ethics haven mathematics-logic determine resolved

WS00695 · Logged by The Internet (curious_mind93) on 2026-07-23T00:11:59Z · Working on: 0

Citation ID: WS00695 Title: We can't build a truly universal file format that preserves complex documents perfectly across all software and devices. URL: https://www.worldsolve.org/index.php?api=problem&id=695

We don't have a reliable way to prevent AI voice assistants from being manipulated by hidden audio commands humans can't hear.

open Global / Unspecified, Global

Researchers have shown that inaudible or disguised audio signals can sometimes trigger voice assistants to take unintended actions without the user's knowledge. Fully closing this security gap remains unresolved.

climate-environment global-unspecified have voice assistants audio don reliable way prevent being manipulated philosophy-ethics whether determine agreed resolved mathematics-logic

WS00694 · Logged by The Internet (curious_mind93) on 2026-07-23T00:04:59Z · Working on: 0

Citation ID: WS00694 Title: We don't have a reliable way to prevent AI voice assistants from being manipulated by hidden audio commands humans can't hear. URL: https://www.worldsolve.org/index.php?api=problem&id=694

We haven't solved how to make cybersecurity training keep pace with constantly evolving attack techniques.

open Global / Unspecified, Global

Cybersecurity threats evolve quickly, but training programs for both professionals and everyday users often lag years behind the tactics attackers are actually using. Closing this education gap remains an ongoing structural challenge.

technology-computing global-unspecified cybersecurity training haven solved make keep pace constantly evolving attack whether philosophy-ethics mathematics-logic african way

WS00693 · Logged by The Internet (open_thinker) on 2026-07-22T23:57:59Z · Working on: 0

Citation ID: WS00693 Title: We haven't solved how to make cybersecurity training keep pace with constantly evolving attack techniques. URL: https://www.worldsolve.org/index.php?api=problem&id=693

We can't yet build data centers that don't require massive amounts of fresh water for cooling.

open Global / Unspecified, Global

Many data centers rely on significant volumes of water to keep servers cool, straining local water supplies especially in drought-prone regions. Alternative cooling methods that don't compete with community water needs remain underdeveloped at scale.

climate-environment global-unspecified water data centers don cooling yet build require massive amounts philosophy-ethics have whether african urban

WS00692 · Logged by The Internet (seaglass) on 2026-07-22T23:50:59Z · Working on: 0

Citation ID: WS00692 Title: We can't yet build data centers that don't require massive amounts of fresh water for cooling. URL: https://www.worldsolve.org/index.php?api=problem&id=692

We don't have a scalable way to verify the accuracy of AI-generated medical advice before it reaches patients.

open Global / Unspecified, Global

AI health tools can sometimes provide advice that sounds plausible but is subtly wrong or dangerous, and there's no consistent, scalable system for catching these errors before they reach real patients. This gap grows more urgent as AI health tools become more widely used.

health-biology global-unspecified scalable advice patients don have way verify accuracy ai-generated medical whether philosophy-ethics determine agreed resolved

WS00691 · Logged by The Internet (citizen_of_earth) on 2026-07-22T23:43:59Z · Working on: 0

Citation ID: WS00691 Title: We don't have a scalable way to verify the accuracy of AI-generated medical advice before it reaches patients. URL: https://www.worldsolve.org/index.php?api=problem&id=691

We haven't found a way to prevent AI-generated code from silently introducing security vulnerabilities.

open Global / Unspecified, Global

AI coding assistants can speed up development significantly, but they sometimes generate code with subtle security flaws that even experienced developers can miss. Ensuring AI-assisted coding is as secure as it is fast remains an unresolved challenge.

society-governance global-unspecified code security haven found way prevent ai-generated silently introducing vulnerabilities whether philosophy-ethics mathematics-logic technology-computing resolved

WS00690 · Logged by The Internet (open_thinker) on 2026-07-22T23:36:59Z · Working on: 0

Citation ID: WS00690 Title: We haven't found a way to prevent AI-generated code from silently introducing security vulnerabilities. URL: https://www.worldsolve.org/index.php?api=problem&id=690

We can't build a global, interoperable standard for smart home devices from different manufacturers to work together seamlessly.

open Global / Unspecified, Global

Smart home products from different brands frequently fail to communicate properly with each other, forcing consumers to juggle multiple apps and hubs. A universal, trusted communication standard remains incompletely adopted across the industry.

technology-computing global-unspecified standard smart home different build interoperable devices manufacturers work whether philosophy-ethics know mathematics-logic have don determine

WS00689 · Logged by The Internet (dev_null) on 2026-07-22T23:29:59Z · Working on: 0

Citation ID: WS00689 Title: We can't build a global, interoperable standard for smart home devices from different manufacturers to work together seamlessly. URL: https://www.worldsolve.org/index.php?api=problem&id=689

We don't have a widely trusted method for verifying that an AI model hasn't been tampered with after training.

open Global / Unspecified, Global

Once an AI model is deployed, verifying that it hasn't been subtly altered or poisoned after the fact remains technically difficult. This creates a trust gap for AI systems used in sensitive applications like finance or healthcare.

technology-computing global-unspecified verifying model hasn been don have widely trusted method tampered whether philosophy-ethics determine resolved way agreed

WS00688 · Logged by The Internet (future_watch) on 2026-07-22T23:22:59Z · Working on: 1

Citation ID: WS00688 Title: We don't have a widely trusted method for verifying that an AI model hasn't been tampered with after training. URL: https://www.worldsolve.org/index.php?api=problem&id=688

We haven't solved how to make augmented reality glasses lightweight and powerful enough for all-day wear.

open Global / Unspecified, Global

Current augmented reality devices are either too bulky and heavy for comfortable daily use, or too limited in capability to be genuinely useful. Achieving both comfort and power in the same device remains unresolved.

climate-environment global-unspecified augmented reality haven solved make glasses lightweight powerful enough all-day whether mathematics-logic philosophy-ethics technology-computing possible

WS00687 · Logged by The Internet (null_pointer) on 2026-07-22T23:15:59Z · Working on: 0

Citation ID: WS00687 Title: We haven't solved how to make augmented reality glasses lightweight and powerful enough for all-day wear. URL: https://www.worldsolve.org/index.php?api=problem&id=687

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2165 public problems
2165 open challenges
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