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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BlasterHacks 2026
Mines ACM Student Chapter
othergaming
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 3, 2026 - Apr 5, 2026
End DateApr 5, 2026
The Bags Hackathon
Bags
othersolanadefi
Prize Pool$1.0M
Days Left40 days
LocationOnline
Date RangeApr 2, 2026 - Jun 1, 2026
End DateJun 1, 2026
MN
McGill Data Network Hackathon 2026
McGill Data Network
other
Prize Pool$300
Days LeftEnded
LocationOnline
Date RangeApr 1, 2026 - Apr 2, 2026
End DateApr 2, 2026
DC
HackDartmouth XI
Dartmouth College
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 11, 2026 - Apr 12, 2026
End DateApr 12, 2026
GL
NACOS X GDG AI Hackathon
Google Developer Group LMU
other
Prize PoolNon-cash Prize
Days Left3 days
LocationOnline
Date RangeApr 1, 2026 - Apr 25, 2026
End DateApr 25, 2026
GR
Build4SC
GRIDS
other
Prize Pool$175
Days LeftEnded
LocationOnline
Date RangeApr 3, 2026 - Apr 4, 2026
End DateApr 4, 2026
MC
Rutgers MTC Code for Impact Hackathon
Muslim Tech Collaborative
other
Prize Pool$10
Days LeftEnded
LocationOnline
Date RangeApr 3, 2026 - Apr 4, 2026
End DateApr 4, 2026
RC
Y-Claude Builder Club Hackathon
Rice Claude Builder Club
other
Prize Pool$300
Days LeftEnded
LocationOnline
Date RangeApr 3, 2026 - Apr 4, 2026
End DateApr 4, 2026
NH
HackNSU Season 6
no host
other
Prize Pool$406
Days Left3 days
LocationOnline
Date RangeApr 2, 2026 - Apr 25, 2026
End DateApr 25, 2026
UC
Social Impact BuildFest 2026 - CU Boulder
University of Colorado
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 10, 2026 - Apr 12, 2026
End DateApr 12, 2026
SA
FIND EVIL!
sans
other
Prize Pool$22.0K
Days Left54 days
LocationOnline
Date RangeApr 15, 2026 - Jun 15, 2026
End DateJun 15, 2026
Four.Meme AI Sprint
FourMeme
otherbnb chain
Prize Pool$50.0K
Days Left8 days
LocationOnline
Date RangeApr 1, 2026 - Apr 30, 2026
End DateApr 30, 2026
QS
Spiti-AI Hackathon
Quantum Veda AI Solution
other
Prize Pool₹200.0K
Days LeftEnded
LocationOnline
Date RangeApr 12, 2026 - Apr 14, 2026
End DateApr 14, 2026
YF
Youth Code x AI
Youth Code Foundation
other
Prize Pool$1.2K
Days Left66 days
LocationOnline
Date RangeJun 20, 2026 - Jun 27, 2026
End DateJun 27, 2026
GG
HACK GGC VI
GrizzlyHacks @ GGC
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 3, 2026 - Apr 4, 2026
End DateApr 4, 2026
NS
SheBuilds
NEWTON SCHOOL
other
Prize Pool₹20.0K
Days Left2 days
LocationOnline
Date RangeApr 23, 2026 - Apr 24, 2026
End DateApr 24, 2026
ES
Southwest MN Hacks
ETM Solutions
other
Prize PoolNon-cash Prize
Days Left144 days
LocationOnline
Date RangeSep 12, 2026 - Sep 13, 2026
End DateSep 13, 2026
DI
Learning Hackathon: Spec Driven Development
Devpost, Inc.
other
Prize PoolNon-cash Prize
Days Left7 days
LocationOnline
Date RangeMar 31, 2026 - Apr 29, 2026
End DateApr 29, 2026
TZ
AI for Everyone
Tech Z
other
Prize Pool$8.0K
Days Left8 days
LocationOnline
Date RangeMar 31, 2026 - Apr 30, 2026
End DateApr 30, 2026
UL
The Future Innovators Hackathon: A Road to START Hack
Unicorn Factory Lisboa and START Lisbon
other
Prize Pool€2.0K
Days Left3 days
LocationOnline
Date RangeMar 31, 2026 - Apr 25, 2026
End DateApr 25, 2026