Blockchain

Ecosystem hackathons and recurring challenges for protocols that want working code on their chain.

Events: 22
Registrations: 1,115
Projects submitted: 632

NOVEMBER 2026

THU

Devcon 8: Build Battle 3

Prove It, Don't Reveal It

WED

Devcon 8: Build Battle 2

Open Infra Sprint

TUE

Devcon 8: Build Battle 1

Publish the link nobody can take down. Build it on Swarm.

SUN

NEAR HACKATHON

Build what's next

OCTOBER 2026

TUE

Road to Devcon XI

Funding the Commons

FRI

Road to Devcon - X

Privacy on Ethereum

FRI

Road to Devcon 9

Prediction Markets

FRI

Road to Devcon VIII

Onchain Gaming

TUE

Agents on Open Rails Hackathon

Agents that earn, pay and settle on live payment rails, with real money moving.

FRI

Road To Devcon - VII

AI and Web3

SEPTEMBER 2026

FRI

Road to Devcon VI

x402: Pay-Per-Call

FRI

Road To Devcon - V

Decentralized Data Storage

FRI

Road To Devcon - IV

Onchain Identity

FRI

Road To Devcon - III

Smart Accounts & Gasless UX

AUGUST 2026

FRI

Road To Devcon - II

Art, Culture & Ethereum in India

MON

FilecoinTLDR Builder Challenge - Cycle 4

FRI

Road To Devcon - I

Reading Ethereum

JULY 2026

SAT

MetaMask Community Builder Challenge Pune

Builder Nights, but you leave with a repo.

MON

FilecoinTLDR Builder Challenge - Cycle 3

MON

FilecoinTLDR Builder Challenge - Cycle 2

Filecoin TL;DR aims to simplify Filecoin ecosystem news.

JUNE 2026

MON

FilecoinTLDR Builder Challenge - Cycle 1

Build Your First Filecoin App With AI

MAY 2026

SAT

IPFS × OpenClaw Hackathon

A 7-day challenge for builders working on autonomous infrastructure, trustless coordination, and decentralized storage. Powered by IPFS and OpenClaw, as a part of MuShanghai.