Agents on Open Rails Hackathon (Celo)$5k
Web3 & Blockchain hackathons 2026
Hack123 tracks 52 Web3 & Blockchain hackathons; 17 are open for registration. Next deadlines: Agents on Open Rails Hackathon (Nov 9), Injective Hacker House Bangkok 2026 (Nov 10). Biggest prizes: NEAR HACKATHON 2026 ($250k), MEME.ZKWASM() Hackathon ($100k).
RelatedHackathons in October 2026Online hackathonsHackathons in MumbaiHackathons in BangkokHackathons in November 2026AI hackathonsStudent hackathonsHackathons in SingaporeFintech hackathonsHackathons in Munich
- Open · soonest deadline first (17)
- Injective Hacker House Bangkok 2026
- BeWater↗MEME.ZKWASM() Hackathon (100k USDT pool)$100k
- Total Recall: Walrus x Tatum Memory Hackathon$4.5k
- HERHACK 2026 (Echelon Institute of Technology, Faridabad)
- Meta Earth Hackathon: Beacon 2026
- NEAR HACKATHON 2026$250k
- IXH26 Italian XRPL Hackathon (Bari)€12k
- Dakar Bitcoin Hack by BTrust 2026$900
- Monad Blitz Guangzhou 2026: One-Day Monad Hackathon$1.5k
- Team1 Vietnam UniHack (Avalanche Vietnam, $3,500)$3.5k
- Dev3pack Global Hackathon 2026$10k
- QIE Hackathon 3.0 · Mainnet Edition$17k
- X Layer TapeOut Accelerate 2026$100k
- Concordium Trusted Agents Hackathon 2026 with Encode Club (Online)
- Dabao Open Hardware Hackathon$5k
- Website↗Decentralize AI Hackathon by HackerNoon 2026–2027 ($51,750+ prizes)$51.8k
- Date TBA (5)
- Convergence Hackathon (Chainlink)
- ETH Chiang Mai
- Website↗ETHGlobal HackMoney 2026
- DoraHacks↗Cortensor Hackathon #4
- Encode Club: Commit To Change
- Closed · most recent first (30)
- Solana Hackathon (MLH, online)
- Source↗BLI Legal Tech Hackathon 2 ($20,000 prizes, online)$20k
- Machine-Checked Devcon Week (Lean 4 × Ethereum online hackathon)$1k
- MDBA Youth Blockchain Hackathon$50k
- ETHGlobal Mumbai 2026$144.5k
- hackCBS 9.0$1.1k
- MineArena 1.0 BIET National Hackathon
- TUM Blockchain & AI Hackathon€4k
- HackMeridian 2026$30k
- IEEE ClimateChain Global Hackathon$3k
- ETH Shenzhen 2026 Hackathon
- AI & Fintech XRPL Hackathon New York$40k
- Decode & Detect: The XRPL AI Hack (London)
- Dot Your Future Hackathon (Polkadot × Bifrost, 12,000 USDT)$12k
- Bittensor Global Subnet Hackathon$10k
- Axis HackSprint 2.0
- BNB Builder Hack: Kuala Lumpur$500
- Build Privacy-First Apps on Midnight$12.5k
- Monad Blitz V3 Shanghai$1.5k
- DoraHacks↗Arc Microgrants (Circle, $10k in USDC)$10k
- Monad Metropolis Global Hackathon$250k
- Crypto World's Fair Hackathon 2026 (Colosseum)$840k
- Solar Mini Hacker House Shenzhen
- TOKEN2049 Origins Hackathon 2026$150k
- Team1 Avalanche Builder Launchpad Online Hackathon$1k
- Solana Mini Hacker House Singapore
- Hacker House Goa 2026
- GWDC 2026 Korea Hackathon$100k
- Bitget AI Hackathon S2$50k
- Agentic Commerce on Arc Hackathon
Topics
AI 459AI Agent 185AIGC & Generative AI 72AI Coding 77Embodied AI & Robotics 32Hardware & IoT 69Startup 75Education 41Healthcare 35Data 50Gaming 26Fintech 19Cybersecurity & AI Safety 11Climate & Sustainability 16Social Good & AI for Good 15Open Source 24AR, VR & XR 5
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