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
0 marked solved
7 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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