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 →GZ
test2
GenAI Zurich
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeFeb 25, 2026 - Feb 26, 2026
End DateFeb 26, 2026
HC
BUHack
HKBU Coding Club
otherhybridbeginner / first-time hackers
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeMar 5, 2026 - Mar 7, 2026
Submission DeadlineMar 7, 2026
NE
NeuroHack: Spring 2026
NeuroTech@UIUC
otherremotehybrid
Prize Pool$550
Days LeftEnded
LocationOnline
Date RangeMar 27, 2026 - Mar 29, 2026
End DateMar 29, 2026
UC
BioHacks 2026
UCSC
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeFeb 28, 2026 - Mar 1, 2026
End DateMar 1, 2026
SE
SUPER SECRET DEMO HACKATHON
secret
other
Prize Pool$1
Days LeftEnded
LocationOnline
Date RangeFeb 24, 2026 - Mar 1, 2026
End DateMar 1, 2026
FC
Frostbyte Hackathon
FrostByte Club
otherai agents
Prize Pool$5.2K
Days LeftEnded
LocationOnline
Date RangeJan 26, 2026 - Mar 14, 2026
End DateMar 14, 2026
Tether Hackathon Galactica: WDK Edition 1
Tether
othercross-chaindefi
Prize Pool$30.0K
Days LeftEnded
LocationOnline
Date RangeFeb 25, 2026 - Mar 22, 2026
Submission DeadlineMar 22, 2026
ME
Sudarshan
Mentozy
otherai agentssocialfi
Prize Pool$5.4K
Days LeftEnded
LocationOnline
Date RangeMar 22, 2026 - Mar 30, 2026
End DateMar 30, 2026
BC
BioHack 2026
Bioinformatics Club @ U of Calgary
other
Prize Pool$67
Days LeftEnded
LocationOnline
Date RangeMar 13, 2026 - Mar 14, 2026
End DateMar 14, 2026
FW
Fuel the Future
Fuel the World
other
Prize Pool$400
Days LeftEnded
LocationOnline
Date RangeMar 7, 2026 - Mar 9, 2026
End DateMar 9, 2026
OI
HACK THE FUTURE OF STELLA
OViiE Ai Inc
otherai agentsbeginner / first-time hackers
Prize Pool$80.0K
Days LeftEnded
LocationOnline
Date RangeJan 30, 2026 - Mar 13, 2026
End DateMar 13, 2026
HU
United Hacks V7
Hack United
other
Prize Pool$1.4K
Days Left77 days
LocationOnline
Date RangeJul 10, 2026 - Jul 12, 2026
Submission DeadlineJul 12, 2026
SI
Interventions: Entangle Designathon
Scout Interventions
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeMar 20, 2026 - Mar 22, 2026
Submission DeadlineMar 21, 2026
HA
HackHPI 2026
HackHPI
otheron-site
Prize Pool€3.0K
Days LeftEnded
LocationOnline
Date RangeApr 10, 2026 - Apr 11, 2026
End DateApr 11, 2026
CE
DemoHackathon
Cracked Engineers
other
Prize PoolNon-cash Prize
Days LeftEnded
LocationOnline
Date RangeFeb 23, 2026 - Feb 24, 2026
End DateFeb 24, 2026
MAHa- Telegram Mini App Hackathon
BuidlersTribe
otherbasetypescript
Prize Pool$22.0K
Days Left64 days
LocationOnline
Date RangeJun 4, 2024 - Jul 2, 2024
Submission DeadlineJun 30, 2026
Avalanche "Many Chains, United as One" Hack House
Avalanche
otheravalanchecross-chain
Prize Pool$4.0K
Days LeftEnded
LocationOnline
Date RangeJul 10, 2024 - Jul 11, 2024
End DateJul 11, 2024
XION BELIEVATHON
XION
othertypescriptweb3.js
Prize Pool$40.0K
Days LeftEnded
LocationOnline
Date RangeNov 21, 2024 - Jan 18, 2025
Submission DeadlineJan 17, 2024
Polkadot Philippines Hackathon 2025
OpenGuild
otherpolkadotsolidity
Prize Pool$10.0K
Days LeftEnded
LocationOnline
Date RangeFeb 10, 2025 - Mar 23, 2025
End DateMar 23, 2025
Beyond boundaries with ICP
ICP HUB Vietnam
other
Prize Pool$10.0K
Days LeftEnded
LocationOnline
Date RangeFeb 28, 2025 - Mar 24, 2025
End DateMar 24, 2025