World Solve

Despite recognition of its importance, reliable methods for incentive-compatible mechanisms for global public goods financing are still lacking. Progress is hindered by incomplete mechanistic knowledge, high capital and operational barriers, and the absence of deployment models suited to the contexts of greatest need.

Attackers can still forge email headers to make messages appear to come from trusted banks, companies, or government agencies, despite improved authentication protocols. Full adoption and enforcement of stronger email verification standards remains inconsistent.

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.

Despite improved detection tools, non-consensual intimate images can still spread quickly across platforms before removal, causing lasting harm to victims. Faster, more comprehensive detection and removal systems remain an urgent unmet need.

When one website's user database is breached, attackers often successfully reuse those same stolen credentials on other unrelated websites where people reused the same password. Preventing this cascade of breaches remains an ongoing security challenge despite widespread password reuse warnings.

Video files, especially in high resolution, still require significant storage and bandwidth despite decades of compression research, and further meaningful improvements have become harder to achieve. This constrains streaming quality and cost, especially in areas with limited bandwidth.

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.

Many users experience nausea, eye strain, or disorientation after even moderate use of virtual reality headsets, a problem that hasn't been fully solved despite years of hardware improvements. This limits how widely VR can be adopted for work or daily use.

Most software vulnerabilities trace back to common coding mistakes that better language design could prevent from the start. Despite decades of research, mainstream programming still makes these mistakes easy to make.

Bioprinting and stem-cell therapies may not scale fast enough to meet demand. Organ-allocation optimisation and cross-border sharing platforms remain important.

Researchers keep finding creative ways to bypass safety filters built into AI systems, and defenses often lag behind the newest bypass techniques. This cat-and-mouse dynamic remains unresolved despite constant patching.

Passwords remain widely used despite being easy to steal or forget, and alternatives like biometrics or hardware keys haven't achieved universal, trusted adoption. A truly seamless and secure replacement remains unbuilt at global scale.

Economic shocks and informality push more city dwellers into precarious living, adding pressure on housing and services. Slum-upgrading and urban social-safety-net platforms could mitigate these trends.

Women bear disproportionate care burdens, face wage gaps, and are underrepresented in leadership, despite advances in education. Care-economy support systems and women-focused funding platforms can improve autonomy.

Regulatory and technical bottlenecks—including differing signalling systems and capacity constraints—slow modal shift. Integrated corridor-planning tools and interoperability solutions can boost rail usage.

Regulatory and technical bottlenecks—including differing signalling systems and capacity constraints—slow modal shift. Integrated corridor-planning tools and interoperability solutions can boost rail usage.

Transport and industrial emissions continue to cause health burdens despite progress. Low-cost sensor networks and policy-impact simulators can guide clean-air strategies.

Transport and industrial emissions continue to cause health burdens despite progress. Low-cost sensor networks and policy-impact simulators can guide clean-air strategies.

Patients face administrative and reimbursement barriers when seeking care abroad. Interoperable health-data and insurance coordination tools can ease mobility.

Economic growth has not been inclusive enough, leaving large groups in informal, low-paying work without safety nets. Targeted cash transfers and universal basic social protection floors could reduce extreme poverty.