Web3 Hackathons and Competitions
Upcoming blockchain hackathons and developer competitions. Compete for prizes, build with cutting-edge protocols, and connect with the Web3 community.
public goods & impact
Cortensor Hackathon #2
Cortensor
Online Sep 21, 2025 - Nov 2, 2025
other
ethereum
javascript
other
ethereum
javascript
COR3.0K
COR3.0KEnded
Global Youth Hacks
Global Youth Hacks
In-Person Apr 4, 2026 - Apr 6, 2026
public goods & impact
beginner / first-time hackers
public goods & impact
beginner / first-time hackers
Non-cash Prize
Non-cash Prize33 days left
HACKSECURE'26
ISEA
National Institute of Technology, Hamirpur, NIT, Hamirpur, Himachal Pradesh, India Mar 10, 2026 - Mar 11, 2026
other
security & audit
public goods & impact
other
security & audit
public goods & impact
₹100.0K
₹100.0K7 days left
Hack to the Future
ICP.Hub AE
Online Apr 25, 2024 - Jun 5, 2024
bitcoin
other
ethereum
bitcoin
other
ethereum
$15.0K
$15.0KEnded
EDCON2024 Super Demo Day
EDCON 2024
United Nations University, 5 Chome-53-70 Jingumae, Shibuya City, Tokyo 150-8925, Japan Apr 11, 2024 - Jun 16, 2024
other
ethereum
ai and blockchain
other
ethereum
ai and blockchain
$10.0K
$10.0KEnded
Igniting the Nature Backed Economy
HackReFi
Online Jun 10, 2024 - Jun 14, 2024
other
ethereum
optimism
other
ethereum
optimism
€10.0K
€10.0K101 days left
Funding the Commons & Earth Commons Hackathon
Funding the Commons
Online Oct 7, 2024 - Nov 7, 2024
other
governance systems
remote
other
governance systems
remote
$103.8K
$103.8KEnded
The Grant Factory, Hackathon Presented by Taiko
Taiko Labs
Online Sep 25, 2024 - Nov 18, 2024
other
ethereum
zksync
other
ethereum
zksync
$100.0K
$100.0KEnded
Verifiable AI, save the world with cheqd
cheqd
Online Feb 19, 2025 - May 16, 2025
other
ai agents
ai and blockchain
other
ai agents
ai and blockchain
$50.0K
$50.0KEnded
ETH Hangzhou Hackathon 2025
ETH Hangzhou Hackathon
Hanggang Technology Building, No. 509 Qianjiang Road, Shangcheng District, Hangzhou City, Zhejiang Province, China Feb 14, 2025 - Mar 31, 2025
other
ethereum
ai agents
other
ethereum
ai agents
$20.0K
$20.0KEnded
Umi Try-a-thon
Umi
Online Jun 20, 2025 - Jul 17, 2025
other
move
nft development
other
move
nft development
$2.0K
$2.0KEnded
"AI for Health & Wellness Challenge," "Decentralized Health Innovations Hackathon"
"Lakshmi Gandi's Projects" Futuristic AI Health Assistant
Online Jul 28, 2025 - Sep 15, 2025
other
ethereum
solana
other
ethereum
solana
$5.0K
$5.0KEnded
Stellar GIVE Hackathon Argentina 2025
Blockchain Acceleration Foundation
Co-working (Palermo Hollywood): Aleph Hub, Concepción Arenal 2989, C1426DGG C1426DGG Aug 10, 2025 - Aug 14, 2025
other
payments
public goods & impact
other
payments
public goods & impact
$5.0K
$5.0KEnded