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 →RAMHACK 2026
Mar 28, 2026 - Mar 29, 2026
Prize Pool
$1.2K
Quackathon 2026
Mar 20, 2026 - Mar 21, 2026
Prize Pool
£275
Southwest MN Hacks
Mar 20, 2026 - Mar 21, 2026
Prize Pool
Non-cash Prize
LuteHacks-2026
Mar 20, 2026 - Mar 22, 2026
Prize Pool
$596
Status: EndediExec Vibe Coding Challenge
Mar 24, 2026 - May 1, 2026
Prize Pool
RLC1.0K
American Innovation Hackathon
Mar 19, 2026 - Apr 23, 2026
Prize Pool
$6.5K
Status: ActiveAlgoBharat Regional Hackathons
Mar 19, 2026 - Dec 31, 2026
Prize Pool
Non-cash Prize
Status: EndedAlgoBharat Hack Series 3.0 | Round 2
Feb 16, 2026 - Apr 15, 2026
Prize Pool
$30.0K
Hack Indy 2026
Mar 27, 2026 - Mar 29, 2026
Prize Pool
Non-cash Prize
ECU Spark
Mar 19, 2026 - Mar 20, 2026
Prize Pool
Non-cash Prize
Hack4Her 2026
Jun 6, 2026 - Jun 7, 2026
Prize Pool
Non-cash Prize
MindHack 2026
Mar 20, 2026 - Mar 22, 2026
Prize Pool
$800
BioHackathon Edinburgh 2026
Mar 20, 2026 - Mar 22, 2026
Prize Pool
Non-cash Prize
OAHL Hardware Hack: Build the Agent-to-Hardware Interface Layer
Mar 19, 2026 - Apr 30, 2026
Prize Pool
Non-cash Prize
NextGen Product Lab
Mar 18, 2026 - Mar 25, 2026
Prize Pool
$3.5K
MidNight Hackers
Mar 18, 2026 - Mar 25, 2026
Prize Pool
$5.3K
DevNetwork [API + Cloud + AI] Hackathon 2026
Aug 17, 2026 - Sep 3, 2026
Prize Pool
Non-cash Prize
Hack Days in Bhopal 2.0
Apr 18, 2026 - Apr 19, 2026
Prize Pool
Non-cash Prize
Dev Annual Hackathon
Mar 18, 2026 - Mar 23, 2026
Prize Pool
$4.5K
ProduHacks 2026
Mar 21, 2026 - Mar 22, 2026
Prize Pool
$3.1K