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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MarinHacks
Marin Catholic Computer Science Club
other
Prize PoolNon-cash Prize
Days Left102 days
LocationOnline
Date RangeAug 1, 2026 - Aug 2, 2026
End DateAug 2, 2026
GP
Innolympics 2026: GDGoC PLM Hackathon
Google Developer Groups on Campus PLM
other
Prize Pool$390
Days Left3 days
LocationOnline
Date RangeApr 24, 2026 - Apr 25, 2026
End DateApr 25, 2026
XM
Hack Your Life
XdHacks Mini
other
Prize PoolNon-cash Prize
Days Left39 days
LocationOnline
Date RangeMay 30, 2026 - May 31, 2026
End DateMay 31, 2026
NB
Next Byte Hacks V2
Next Bytes
other
Prize Pool$100
Days Left39 days
LocationOnline
Date RangeMay 1, 2026 - May 31, 2026
End DateMay 31, 2026
KI
Kiro Spark Challenge
Kiro
other
Prize Pool$10.5K
Days Left3 days
LocationOnline
Date RangeApr 24, 2026 - Apr 25, 2026
End DateApr 25, 2026
GC
The Final of Chapter of GDG
Google Developer Group Club-GGV
other
Prize PoolNon-cash Prize
Days Left33 days
LocationOnline
Date RangeMay 24, 2026 - May 25, 2026
End DateMay 25, 2026
HA
HackMars 3.0: NEON
HackMars
other
Prize PoolNon-cash Prize
Days Left48 days
LocationOnline
Date RangeMay 16, 2026 - Jun 9, 2026
End DateJun 9, 2026
MF
Code Crush 2026
Metal Magic FTC
othergaming
Prize PoolNon-cash Prize
Days Left32 days
LocationOnline
Date RangeMay 23, 2026 - May 24, 2026
End DateMay 24, 2026
SA
SuHack 2026: NeuroBridge AI Hackathon
sabanci
other
Prize Pool$600
Days Left10 days
LocationOnline
Date RangeMay 1, 2026 - May 2, 2026
End DateMay 2, 2026
FA
Real World AI Agents
ForU AI
other
Prize Pool$15.0K
Days Left17 days
LocationOnline
Date RangeMay 7, 2026 - May 9, 2026
End DateMay 9, 2026
GA
Build with AI 2026 x MLH Hackathon in Ahlen
GDG Ahlen
other
Prize PoolNon-cash Prize
Days Left31 days
LocationOnline
Date RangeMay 22, 2026 - May 23, 2026
End DateMay 23, 2026
NE
strAIght up! Hackathon
NextBigThing
other
Prize Pool$26.0K
Days Left3 days
LocationOnline
Date RangeApr 24, 2026 - Apr 25, 2026
End DateApr 25, 2026
LO
VibeFlow x LovHack Hackathon
Lovhack
other
Prize PoolNon-cash Prize
Days Left5 days
LocationOnline
Date RangeApr 25, 2026 - Apr 27, 2026
End DateApr 27, 2026
CA
Synthesis Hacks
Computer Networking Student Association
other
Prize Pool$500
Days LeftEnded
LocationOnline
Date RangeApr 18, 2026 - Apr 19, 2026
End DateApr 19, 2026
CP
KiroHacks Cal Poly
CS+AI Cal Poly
other
Prize Pool$5.3K
Days Left11 days
LocationOnline
Date RangeMay 2, 2026 - May 3, 2026
End DateMay 3, 2026
AN
SoCal Claude Builder Club Hackathon
Anthropic
other
Prize Pool$1.5K
Days LeftEnded
LocationOnline
Date RangeApr 18, 2026 - Apr 19, 2026
End DateApr 19, 2026
FD
Frontera Hacks
Frontera Devs
other
Prize Pool$255
Days LeftEnded
LocationOnline
Date RangeApr 18, 2026 - Apr 19, 2026
End DateApr 19, 2026
RT
QueerCoded
Rutgers Out in Tech
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 18, 2026 - Apr 19, 2026
End DateApr 19, 2026
YE
Code I/0
Youth for STEM Equity
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeApr 18, 2026 - Apr 19, 2026
End DateApr 19, 2026
AC
ACM Education MP S26
ACM
other
Prize PoolNon-cash Prize
Days Left5 days
LocationOnline
Date RangeApr 16, 2026 - Apr 27, 2026
End DateApr 27, 2026