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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AI Hackfest
Major League Hacking
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 17, 2026 - Apr 19, 2026
End DateApr 19, 2026
CU
Build for Impact — CBC Hackathon @ UR-CST
Claude Builder Club @ UR-CST
other
Prize Pool$1.5K
Days LeftEnded
LocationOnline
Date RangeApr 14, 2026 - Apr 20, 2026
End DateApr 20, 2026
CS
COMM STEM X SUDATA HACKATHON
COMM STEM X SUDATA
other
Prize Pool$1.3K
Days LeftEnded
LocationOnline
Date RangeApr 18, 2026 - Apr 19, 2026
End DateApr 19, 2026
HS
Hack Kosice 2026
Hack Slovakia
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 18, 2026 - Apr 19, 2026
End DateApr 19, 2026
TM
hack.msa
Texas MSA
other
Prize Pool$5.0K
Days LeftEnded
LocationOnline
Date RangeApr 18, 2026 - Apr 19, 2026
End DateApr 19, 2026
UK
HackKU26
university of kansas
other
Prize Pool$6.3K
Days LeftEnded
LocationOnline
Date RangeApr 18, 2026 - Apr 19, 2026
End DateApr 19, 2026
AB
UIUC Agentic AI x Build OpenClaw Workshop - Personal OpenClaw Submission
Agentic AI @ UIUC x BuildIllinois
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 10, 2026 - Apr 14, 2026
End DateApr 14, 2026
WE
WEHack 2026
WEHack
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 12, 2026
End DateApr 12, 2026
BC
Berea College Hackathon
Berea college
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 12, 2026
End DateApr 12, 2026
MU
MorganHacks 2026
Morgan State University
other
Prize Pool$16.0K
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 12, 2026
End DateApr 12, 2026
JC
JACHacks 2026
John Abbott College
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 12, 2026
End DateApr 12, 2026
CI
Anthropic Hackathon @ IIT Delhi
Claude Builder Club @ IITD
other
Prize Pool₹20.0K
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 12, 2026
End DateApr 12, 2026
BE
Be Hackathon
BEST
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 12, 2026
End DateApr 12, 2026
NE
Global Neurohack
NeuroTechX
other
Prize Pool$3.6K
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 12, 2026
End DateApr 12, 2026
MC
MIT Bitcoin Hackathon: Freedom for All
MIT Bitcoin Club
other
Prize Pool$20.0K
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 12, 2026
End DateApr 12, 2026
GH
Global Fusion hackathon
Global Fusion Hackathon
other
Prize Pool$1.8K
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 15, 2026
End DateApr 15, 2026
SH
AI Agentic Hackathon Powered by Microsoft
shekunj
other
Prize Pool₹50.0K
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 20, 2026
End DateApr 20, 2026
DE
CreateSC 2026
Devpost
Prize Pool$1.4K
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 12, 2026
End DateApr 12, 2026
GI
NeuroLogic '26: Global NLP Datathon
gyan ganga institute
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 24, 2026 - Apr 25, 2026
End DateApr 25, 2026
HA
Bot To Agent by MLH Hack Days
Hackolution
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 26, 2026 - Apr 27, 2026
End DateApr 27, 2026