Skip to main content
All portals

Circular Challenges

Live

Fund the solutions

Open-innovation competitions that turn real waste and resource problems into funded challenges — six formats, transparent prize ledgers, community and expert judging. Winners get a route into CAYURI's marketplaces.

What you can do

Six challenge formats (incentive, staged, cohort, design, pitch, micro-grants)

Sponsor-funded purses with transparent ledger accounting

Community voting + expert panel judging

Alumni tracking and implementation follow-through

Who it’s for

  • Governments & NGOs
  • Businesses (ESG/EPR)
  • Innovators & Researchers

Availability varies by market. Sign in to see what’s live where you operate.