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 →YF
Youth Code x AI
Youth Code Foundation
other
Prize Pool$1.2K
Days Left65 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 Left1 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 Left143 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 Left6 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 Left7 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 Left2 days
LocationOnline
Date RangeMar 31, 2026 - Apr 25, 2026
End DateApr 25, 2026
DE
Flood Safety
Devpost
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 1, 2026 - Apr 14, 2026
End DateApr 14, 2026
AA
LynxHack2026
AI Student Association
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeMar 31, 2026 - Apr 3, 2026
End DateApr 3, 2026
AV
Build with GLM 5.1 Challenge by Z.ai
AI Valley
other
Prize Pool$5.0K
Days LeftEnded
LocationOnline
Date RangeMar 31, 2026 - Apr 7, 2026
End DateApr 7, 2026
UI
UCI Design-a-thon 2026
UC Irvine
other
Prize PoolNon-cash Prize
Days Left3 days
LocationOnline
Date RangeMar 31, 2026 - Apr 26, 2026
End DateApr 26, 2026
HC
Build Guild Toronto
Hack Club
other
Prize PoolNon-cash Prize
Days Left3 days
LocationOnline
Date RangeApr 25, 2026 - Apr 26, 2026
End DateApr 26, 2026
DE
Designathon Spring 2026
Devpost
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 10, 2026 - Apr 12, 2026
End DateApr 12, 2026
HO
Hoobit Hacks 2026
Hoobit
other
Prize PoolNon-cash Prize
Days Left69 days
LocationOnline
Date RangeMar 30, 2026 - Jul 1, 2026
End DateJul 1, 2026
DE
Production Engineering Hackathon
Devpost
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 3, 2026 - Apr 5, 2026
End DateApr 5, 2026
CN
CIReN Mini Hackathon
Campus Innovation and Research Network
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeMar 30, 2026 - Mar 31, 2026
End DateMar 31, 2026
KC
GenZ Can Hack 2026
Kids for Kids Toronto Coding Club
other
Prize Pool$5.0K
Days Left121 days
LocationOnline
Date RangeApr 1, 2026 - Aug 22, 2026
End DateAug 22, 2026
ML
HackDays
MLH
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 2, 2026 - Apr 11, 2026
End DateApr 11, 2026
UE
ESE 1900, Silicon Garage, Spring 2026
UPenn ESE
other
Prize PoolNon-cash Prize
Days Left8 days
LocationOnline
Date RangeMar 30, 2026 - May 1, 2026
End DateMay 1, 2026
CS
Broncohacks 2026
Computer Science Society
other
Prize Pool$2.2K
Days Left3 days
LocationOnline
Date RangeApr 25, 2026 - Apr 26, 2026
End DateApr 26, 2026