Online Web3 Hackathons
Participate from anywhere in the world. Browse online Web3 and blockchain hackathons, compete for prizes, and build innovative projects.
View all with full filters →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
DA
Data Heist 2026
Data@UCI
other
Prize Pool$250
Days LeftEnded
LocationOnline
Date RangeApr 4, 2026 - Apr 5, 2026
End DateApr 5, 2026
YO
youCode 2026
youCode
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 4, 2026 - Apr 5, 2026
End DateApr 5, 2026
CM
Claude Builders AI Hackathon
Claude Builder Club McGill
other
Prize Pool$2.3K
Days LeftEnded
LocationOnline
Date RangeApr 3, 2026 - Apr 4, 2026
End DateApr 4, 2026
GD
Build with AI: Code Social – From Idea to Demo
Google Developers
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 10, 2026 - Apr 12, 2026
End DateApr 12, 2026
DC
DDC x Ignition Hacks
Double Degree Club
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 3, 2026 - Apr 4, 2026
End DateApr 4, 2026
GV
Google Solutions Challenge GDG on Campus Virginia Tech Spring 2026
Google Developers Group on Campus - VT
other
Prize Pool$960
Days LeftEnded
LocationOnline
Date RangeApr 4, 2026 - Apr 11, 2026
End DateApr 11, 2026
SC
West Hacks
social entrepreneurship club
other
Prize Pool$150
Days Left31 days
LocationOnline
Date RangeMay 1, 2026 - Jun 1, 2026
End DateJun 1, 2026
EG
EGN Build-a-thon 2026
EGN
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 18, 2026 - Apr 24, 2026
End DateApr 24, 2026
BA
BagelHacks II
BagelHacks
other
Prize Pool$3.0K
Days LeftEnded
LocationOnline
Date RangeApr 3, 2026 - Apr 4, 2026
End DateApr 4, 2026
NT
Nira hackathon
nira ai tech
other
Prize Pool$500
Days Left1 days
LocationOnline
Date RangeApr 4, 2026 - May 2, 2026
End DateMay 2, 2026
DE
UTSC Hacks
Devpost
Prize Pool$500
Days LeftEnded
LocationOnline
Date RangeApr 4, 2026 - Apr 5, 2026
End DateApr 5, 2026
ML
Catapult 2026
ML@Purdue
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 4, 2026 - Apr 5, 2026
End DateApr 5, 2026
MA
Hack the Drone - MATLAB Hackathon
Mathworks
other
Prize PoolNon-cash Prize
Days Left28 days
LocationOnline
Date RangeMay 28, 2026 - May 29, 2026
End DateMay 29, 2026
DA
Bharat Bricks Hacks 2026: IISc Bengaluru
Databricks
other
Prize Pool₹125.0K
Days LeftEnded
LocationOnline
Date RangeApr 4, 2026 - Apr 5, 2026
End DateApr 5, 2026
SA
Innovation Hacks 2026
Software Developers Association
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 4, 2026 - Apr 5, 2026
End DateApr 5, 2026
AU
DiamondHacks 2026
ACM @ UCSD
other
Prize Pool$24.8K
Days LeftEnded
LocationOnline
Date RangeApr 4, 2026 - Apr 5, 2026
End DateApr 5, 2026
AI
Build with AI 2026: Student Life, Supercharged
aivancity
other
Prize Pool£500
Days LeftEnded
LocationOnline
Date RangeApr 3, 2026 - Apr 4, 2026
End DateApr 4, 2026
FH
Hack Hack Goose
Freetail Hackers
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 3, 2026 - Apr 4, 2026
End DateApr 4, 2026
AI
Scarlet Hacks
ACM IIT
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 4, 2026 - Apr 5, 2026
End DateApr 5, 2026