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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Hack The East
Cracked Engineers
otherai agents
Prize Pool$107.0K
Days LeftEnded
LocationOnline
Date RangeFeb 27, 2026 - Feb 28, 2026
End DateFeb 28, 2026
HA
HackSussex 2026
HackSussex
othergamingbeginner / first-time hackers
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeFeb 28, 2026 - Mar 1, 2026
End DateMar 1, 2026
TH
TreeLine Hacks
Treeline Hacks
otherpublic goods & impactwildcard / open innovation
Prize Pool$1.0K
Days LeftEnded
LocationOnline
Date RangeMar 6, 2026 - Mar 8, 2026
End DateMar 8, 2026
OK
Authorized to Act: AI Agents with Auth0
Okta
otherai agentsidentity & credentials
Prize Pool$10.0K
Days LeftEnded
LocationOnline
Date RangeFeb 23, 2026 - Apr 7, 2026
End DateApr 7, 2026
LA
LaunchHacks V
LaunchHacks
other
Prize PoolNon-cash Prize
Days Left38 days
LocationOnline
Date RangeJun 6, 2026 - Jun 7, 2026
End DateJun 7, 2026
CR
GDE MIT - Minds & Machines Hackathon
CraftHub
other
Prize Pool€13.0K
Days LeftEnded
LocationOnline
Date RangeFeb 27, 2026 - Feb 28, 2026
End DateFeb 28, 2026
SU
Hack For Humanity 2026
Santa Clara University
othersocialfipublic goods & impact
Prize Pool$12.0K
Days LeftEnded
LocationOnline
Date RangeFeb 28, 2026 - Mar 1, 2026
End DateMar 1, 2026
ME
MEGA Hackathon 2026
MegaHackathonLeague
otherpublic goods & impact
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeFeb 28, 2026 - Mar 1, 2026
End DateMar 1, 2026
EN
EnviroCast Global Engineering Outlook: From Insight to Impact Hackathon
EnviroCast
otherremoteai agents
Prize Pool$625
Days Left21 days
LocationOnline
Date RangeFeb 16, 2026 - May 21, 2026
End DateMay 21, 2026
FI
FigBuild 2026
Figma
other
Prize Pool$30.0K
Days LeftEnded
LocationOnline
Date RangeMar 6, 2026 - Mar 9, 2026
Submission DeadlineMar 10, 2026
SN
Smart Innovation 2026
Sharda University Greater Noida
other
Prize Pool₹75.0K
Days LeftEnded
LocationOnline
Date RangeFeb 23, 2026 - Mar 21, 2026
End DateMar 21, 2026
TE
TestHack
Test
other
Prize Pool$10
Days LeftEnded
LocationOnline
Date RangeFeb 21, 2026 - Mar 1, 2026
End DateMar 1, 2026
OS
Open Sourcery S26 Showcase
Open Sourcery
other
Prize PoolNon-cash Prize
Days Left4 days
LocationOnline
Date RangeFeb 9, 2026 - May 4, 2026
End DateMay 4, 2026
WT
Sunflower Hackathon 2026
Women In Tech
otherentry levelbeginner / first-time hackers
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeJan 28, 2026 - Apr 14, 2026
End DateApr 14, 2026
AU
ACUHIT
Acibadem University
other
Prize Pool$7.0K
Days LeftEnded
LocationOnline
Date RangeFeb 20, 2026 - Mar 5, 2026
End DateMar 5, 2026
SI
SNS MIRARI 2026
SNS Institutions
other
Prize Pool$140
Days LeftEnded
LocationOnline
Date RangeFeb 13, 2026 - Feb 27, 2026
End DateFeb 27, 2026
SU
Innov8 A Thon
Sarala Birla University
otheron-sitepublic goods & impact
Prize Pool₹60.0K
Days LeftEnded
LocationOnline
Date RangeFeb 14, 2026 - Feb 28, 2026
End DateFeb 28, 2026
UT
ConsulTech 2026
University of Toronto
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeFeb 22, 2026 - Mar 1, 2026
Submission DeadlineMar 1, 2026
GC
AIC x GDGC Tech Projects
Google Developer Groups on Campus
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeFeb 22, 2026 - Feb 24, 2026
End DateFeb 24, 2026
SN
MVP Sprint [https://sprint.startlima.org/]
START Network
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeFeb 20, 2026 - Mar 1, 2026
End DateMar 1, 2026