Online Web3 Hackathons
Participate from anywhere in the world. Browse online Web3 and blockchain hackathons, compete for prizes, and build innovative projects.
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Massachusetts Space Week 2026 Space Medicine Hackathon
The Space Consortium
other
Prize Pool$500
Days LeftEnded
LocationOnline
Date RangeApr 7, 2026 - Apr 17, 2026
End DateApr 17, 2026
HA
Vibe Coding Hackathon
HackRPI
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 12, 2026
End DateApr 12, 2026
MF
ML Empowerment Build Challenge
ML Empowerment Foundation
other
Prize PoolNon-cash Prize
Days Left12 days
LocationOnline
Date RangeApr 7, 2026 - May 13, 2026
End DateMay 13, 2026
DS
Data Snax Datathon in St. Louis
Data Snax
other
Prize Pool$375
Days LeftEnded
LocationOnline
Date RangeApr 17, 2026 - Apr 18, 2026
End DateApr 18, 2026
NS
NighthawkHacks
Nightingale Bamford School
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 13, 2026 - Apr 14, 2026
End DateApr 14, 2026
GC
Ramblin' Hacks 2026
Georgia Tech College of Computing
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 10, 2026 - Apr 11, 2026
End DateApr 11, 2026
KP
Palmetto Hacks
Kappa Theta Pi
other
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeApr 10, 2026 - Apr 11, 2026
End DateApr 11, 2026
CO
Codecon Universe 26
Codecon
other
Prize PoolNon-cash Prize
Days Left30 days
LocationOnline
Date RangeMay 29, 2026 - May 31, 2026
End DateMay 31, 2026
DA
Bharat Bricks Hacks 2026: IIT Delhi
Databricks
other
Prize Pool₹250.0K
Days LeftEnded
LocationOnline
Date RangeApr 7, 2026 - Apr 8, 2026
End DateApr 8, 2026
HC
AlgoFest Hackathon 2026
Hack Club
other
Prize Pool$5.0K
Days LeftEnded
LocationOnline
Date RangeApr 6, 2026 - Apr 29, 2026
End DateApr 29, 2026
TH
HackNova 2026 (TEST)
Team HackNova
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 8, 2026 - Apr 11, 2026
End DateApr 11, 2026
BI
BGI Hackathon 2026 – Vision 2047: Viksit Bharat
Bansal Group of Institutes
other
Prize Pool₹296.0K
Days LeftEnded
LocationOnline
Date RangeApr 7, 2026 - Apr 30, 2026
End DateApr 30, 2026
UN
Design and Development Hackathon
UNIHACK
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 7, 2026 - Apr 8, 2026
End DateApr 8, 2026
ML
Hack days in hosur
MLH
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 7, 2026 - Apr 8, 2026
End DateApr 8, 2026
IH
AI Autonomous Smart City Hackathon 2026
Innovation Hacks
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 15, 2026 - Apr 23, 2026
End DateApr 23, 2026
VS
vsHacks 2026
vsHacks
other
Prize PoolNon-cash Prize
Days Left72 days
LocationOnline
Date RangeJul 11, 2026 - Jul 12, 2026
End DateJul 12, 2026
DE
DevClash
Devkraft
other
Prize Pool₹100.0K
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 12, 2026
End DateApr 12, 2026
BS
Panther Hacks
Burlingame High School
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 17, 2026 - Apr 18, 2026
End DateApr 18, 2026
OP
Agenthon 001 (agent hackathon)
opencompany
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 10, 2026 - Apr 11, 2026
End DateApr 11, 2026
AA
ACC x ADSC Project-A-Thon
ACC x ADSC
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 4, 2026 - Apr 5, 2026
End DateApr 5, 2026