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Date

Oct 27–31, 2026

Duration

75h

Participants

9

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Road to Devcon XI

Funding the Commons

Your Gateway to Devcon 8 Ticket 🎟️

Across dry regions of ancient India, communities constructed magnificent Stepwells, grand architectural marvels carved deep into the earth to harvest, store, and share water. These stepwells were the ultimate public goods: commissioned by philanthropic rulers or collective village efforts, they provided free life-sustaining water, cool shelter, and gathering spaces for every traveler and local without privatizing the source.

This weekend, builders will step up as Digital Architects of the Stepwells, building novel mechanism designs and decentralized capital-allocation protocols to sustainably fund the commons.

Top performer wins a ticket to Devcon 8 Mumbai! 🇮🇳

Road to Devcon: The Grand Finale

In 2026, Ethereum turns 11. Eleven years since a genesis block turned an experiment into the base layer for a global builder economy. To mark it, we ran 11 weeks of Build Battles, one for every year of Ethereum's life, every weekend as part of Road to Devcon.

This challenge marks the 11th and final builder challenge of the series. Over the past 10 weeks, builders have tackled every corner of the Ethereum stack:

  1. Reading Ethereum: Deep dives into RPCs & block explorers
  2. Art, Culture & Ethereum in India: Bringing folk art, music, and craft onchain with real provenance
  3. Smart Accounts & Gasless UX: Seamless onboarding and abstracting friction
  4. Onchain Identity: ZK-powered identity solutions
  5. Decentralized Data Storage: Censorship-resistant infrastructure
  6. x402 Pay-Per-Call: Native pay-per-request infrastructure for the open web
  7. AI & Web3: Giving AI agents onchain identity and economic agency
  8. Onchain Gaming: Incentive design meeting street-game dynamics
  9. Prediction Markets: Transparent, trustless forecasting
  10. Privacy on Ethereum: Stealth addresses, ZK proofs, and defense mechanisms

Now, in Week 11, we tackle the core ethos that makes Ethereum thrive: Funding Public Goods & The Commons.

Eleven years of Ethereum. Eleven weekends of building. One final opportunity to claim your ticket to Devcon 8 in Mumbai.

Step up, build for the commons, and secure your ticket! 🚀

FAQ

Frequently asked questions

How does scoring work?

Submissions are scored by an AI judge against each problem's judging criteria. Your battle score is the difficulty-weighted average across all problems — attempting more problems earns more — and ratings update once results are finalized.

Can I work in a team?

No, this is solo builder challenge.

What do I need to submit?

A GitHub repository with your working project, plus a short walkthrough video. You can keep updating your submission until the build window closes.