Categories Browse problems by category. Counts reflect catalogue size, not hunt traffic. Accessibility (1) AI that operates an ordinary computer alongside a human SOLVED Business (2) Direct customer communication for small businesses and restaurants SOLVED Affordable access to highly valuable experts SOLVED Cybersecurity (2) Detecting suspicious cloud file activity without reading contents SOLVED Recovery and lawful access without destroying encryption security SOLVED Finance (1) Simple digital-value and Bitcoin ownership and transfer SOLVED Housing (1) More usable housing within road-transport constraints SOLVED Identity (1) Verifying that an online person is who they claim to be SOLVED Legal (3) Confidential AI for sensitive legal research SOLVED Affordable invention-to-patent documentation SOLVED Making small patent licences economically viable at scale SOLVED Other (2) Measuring whether AI agents selectively discover structured knowledge UNSOLVED Systematically transferring solutions across problem domains UNSOLVED Privacy (2) Child phone-number verification without unnecessary personal data SOLVED Capturing marketplace demand signals without compromising privacy UNSOLVED