public goods & impact Hackathons
Discover public goods & impact hackathons in Web3 and blockchain.
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Cortensor Hackathon #2
Cortensor
otherethereumjavascript
Prize PoolCOR3.0K
Days LeftEnded
LocationOnline
Date RangeSep 21, 2025 - Nov 2, 2025
Submission DeadlineNov 2, 2025
Global Youth Hacks
Global Youth Hacks
public goods & impactbeginner / first-time hackers
Prize PoolNon-cash Prize
Days LeftEnded
LocationIn-Person
Date RangeApr 4, 2026 - Apr 6, 2026
End DateApr 6, 2026
HACKSECURE'26
ISEA
othersecurity & auditpublic goods & impact
Prize Pool₹100.0K
Days LeftEnded
LocationNational Institute of Technology, Hamirpur, NIT, Hamirpur, Himachal Pradesh, India
Date RangeMar 10, 2026 - Mar 11, 2026
End DateMar 11, 2026
Hack to the Future
ICP.Hub AE
bitcoinotherethereum
Prize Pool$15.0K
Days LeftEnded
LocationOnline
Date RangeApr 25, 2024 - Jun 5, 2024
End DateJun 5, 2024
EDCON2024 Super Demo Day
EDCON 2024
otherethereumai and blockchain
Prize Pool$10.0K
Days LeftEnded
LocationUnited Nations University, 5 Chome-53-70 Jingumae, Shibuya City, Tokyo 150-8925, Japan
Date RangeApr 11, 2024 - Jun 16, 2024
End DateJun 16, 2024
Igniting the Nature Backed Economy
HackReFi
otherethereumoptimism
Prize Pool€10.0K
Days Left52 days
LocationOnline
Date RangeJun 10, 2024 - Jun 14, 2024
Submission DeadlineJun 14, 2026
Funding the Commons & Earth Commons Hackathon
Funding the Commons
othergovernance systemsremote
Prize Pool$103.8K
Days LeftEnded
LocationOnline
Date RangeOct 7, 2024 - Nov 7, 2024
End DateNov 7, 2024
The Grant Factory, Hackathon Presented by Taiko
Taiko Labs
otherethereumzksync
Prize Pool$100.0K
Days LeftEnded
LocationOnline
Date RangeSep 25, 2024 - Nov 18, 2024
Submission DeadlineNov 17, 2023
Verifiable AI, save the world with cheqd
cheqd
otherai agentsai and blockchain
Prize Pool$50.0K
Days LeftEnded
LocationOnline
Date RangeFeb 19, 2025 - May 16, 2025
End DateMay 16, 2025
ETH Hangzhou Hackathon 2025
ETH Hangzhou Hackathon
otherethereumai agents
Prize Pool$20.0K
Days LeftEnded
LocationHanggang Technology Building, No. 509 Qianjiang Road, Shangcheng District, Hangzhou City, Zhejiang Province, China
Date RangeFeb 14, 2025 - Mar 31, 2025
Submission DeadlineMar 31, 2025
Umi Try-a-thon
Umi
othermovenft development
Prize Pool$2.0K
Days LeftEnded
LocationOnline
Date RangeJun 20, 2025 - Jul 17, 2025
End DateJul 17, 2025
"AI for Health & Wellness Challenge," "Decentralized Health Innovations Hackathon"
"Lakshmi Gandi's Projects" Futuristic AI Health Assistant
otherethereumsolana
Prize Pool$5.0K
Days LeftEnded
LocationOnline
Date RangeJul 28, 2025 - Sep 15, 2025
End DateSep 15, 2025
Stellar GIVE Hackathon Argentina 2025
Blockchain Acceleration Foundation
otherpaymentspublic goods & impact
Prize Pool$5.0K
Days LeftEnded
LocationCo-working (Palermo Hollywood): Aleph Hub, Concepción Arenal 2989, C1426DGG C1426DGG
Date RangeAug 10, 2025 - Aug 14, 2025
End DateAug 14, 2025
Controversial Climate Code- C3
HackReFi
otherremotehybrid
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeSep 13, 2025 - Nov 9, 2025
End DateNov 9, 2025
Cortensor Hackathon #3
Cortensor
otherethereumarbitrum
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeNov 22, 2025 - Dec 28, 2025
Submission DeadlineJan 4, 2026
DeSci Tools Buildathon
Unbound Science
otherethereummonad
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeNov 17, 2025 - Nov 22, 2025
Submission DeadlineNov 22, 2024
Move the Future: Aptos x SMU Web3 Innovation Hackathon 2025
School of Computing and Information Systems, SMU
otheraptosmove
Prize PoolSG$23.0K
Days LeftEnded
LocationSOA NAKA Level 2, SMU, 80 Stamford Road Singapore 178902
Date RangeNov 9, 2025 - Nov 24, 2025
Submission DeadlineNov 24, 2025
Cedra Builders Forge
Cedra
othermoveremote
Prize Pool$1.5K
Days LeftEnded
LocationOnline
Date RangeNov 3, 2025 - Dec 29, 2025
End DateDec 29, 2025
Cortensor Hackathon #4
Cortensor
otherethereumarbitrum
Prize PoolCOR3.0K
Days LeftEnded
LocationOnline
Date RangeJan 19, 2026 - Feb 28, 2026
End DateFeb 28, 2026
Build on Stellar Chile Ideatón: Ideas Reales, Impacto Real
Tellus Cooperative
otherdefipublic goods & impact
Prize Pool$1.0K
Days LeftEnded
LocationOnline
Date RangeFeb 10, 2026 - Mar 1, 2026
Submission DeadlineFeb 28, 2026