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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ECU Spark
Association for Computing Machinery
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeMar 19, 2026 - Mar 20, 2026
End DateMar 20, 2026
TM
Hack4Her 2026
Tecnologico de Monterrey
other
Prize PoolNon-cash Prize
Days Left43 days
LocationOnline
Date RangeJun 6, 2026 - Jun 7, 2026
End DateJun 7, 2026
CA
MindHack 2026
Carleton Cognitive Science Association
other
Prize Pool$800
Days LeftEnded
LocationOnline
Date RangeMar 20, 2026 - Mar 22, 2026
End DateMar 22, 2026
DE
BioHackathon Edinburgh 2026
Devpost
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeMar 20, 2026 - Mar 22, 2026
End DateMar 22, 2026
BU
OAHL Hardware Hack: Build the Agent-to-Hardware Interface Layer
BuzzChat
otherai agents
Prize PoolNon-cash Prize
Days Left5 days
LocationOnline
Date RangeMar 19, 2026 - Apr 30, 2026
End DateApr 30, 2026
IE
NextGen Product Lab
Institution of Engineers
other
Prize Pool$3.5K
Days LeftEnded
LocationOnline
Date RangeMar 18, 2026 - Mar 25, 2026
End DateMar 25, 2026
T(
MidNight Hackers
The Institution of Engineers (IEI)
otherremoteai agents
Prize Pool$5.3K
Days LeftEnded
LocationOnline
Date RangeMar 18, 2026 - Mar 25, 2026
End DateMar 25, 2026
DE
DevNetwork [API + Cloud + AI] Hackathon 2026
DevNetwork
other
Prize PoolNon-cash Prize
Days Left131 days
LocationOnline
Date RangeAug 17, 2026 - Sep 3, 2026
End DateSep 3, 2026
KT
Hack Days in Bhopal 2.0
Knowvy Technologies
otheron-sitegaming
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 18, 2026 - Apr 19, 2026
Submission DeadlineApr 19, 2026
DA
Dev Annual Hackathon
Dev AI
other
Prize Pool$4.5K
Days LeftEnded
LocationOnline
Date RangeMar 18, 2026 - Mar 23, 2026
End DateMar 23, 2026
UB
ProduHacks 2026
UBC BizTech
other
Prize Pool$3.1K
Days LeftEnded
LocationOnline
Date RangeMar 21, 2026 - Mar 22, 2026
End DateMar 22, 2026
PF
Pixel Forge Jam 2026
Pixel Forge
othergaming
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 7, 2026 - Apr 14, 2026
End DateApr 14, 2026
RC
RidgeHacks 2026
Ridge Computer Science Club
other
Prize Pool$2.0K
Days LeftEnded
LocationOnline
Date RangeApr 24, 2026 - Apr 25, 2026
End DateApr 25, 2026
UM
JacHacks
University of Michigan
otherai agentsinfrastructure & developer tooling
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 4, 2026 - Apr 5, 2026
Submission DeadlineApr 5, 2026
IT
ITIZ CHALLENGE
ITIZ
other
Prize PoolNon-cash Prize
Days Left3 days
LocationOnline
Date RangeApr 27, 2026 - Apr 28, 2026
End DateApr 28, 2026
GenLayer Testnet Bradbury
GenLayer
otherethereumbase
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeMar 20, 2026 - Apr 4, 2026
End DateApr 4, 2026
WG
Hack Like W@CC 2026
Women at College of Computing @ GT
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 3, 2026 - Apr 4, 2026
End DateApr 4, 2026
DR
DSH Hacks V1
DreamWeave
other
Prize PoolNon-cash Prize
Days Left38 days
LocationOnline
Date RangeMar 2, 2026 - Jun 2, 2026
End DateJun 2, 2026
IA
Preventing Inaccurate Fills: Liquid Filling System Calibration
iare
other
Prize Pool$10.0K
Days LeftEnded
LocationOnline
Date RangeMar 17, 2026 - Mar 18, 2026
End DateMar 18, 2026
GT
Boeing presents TruHacks 2026
Google Developer Groups on Campus TSU
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeMar 20, 2026 - Mar 22, 2026
End DateMar 22, 2026