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 →HackUSF 2026
Mar 28, 2026 - Mar 29, 2026
Prize Pool
$6.0K
HackDKU 2026
Apr 11, 2026 - Apr 17, 2026
Prize Pool
$3.0K
Cove Hacks
Jun 26, 2026 - Jun 28, 2026
Prize Pool
$30.0K
CUES x Imperial MechSoc Hackathon 2026
Mar 14, 2026 - Mar 15, 2026
Prize Pool
Non-cash Prize
MacHacks 2026
Mar 20, 2026 - Mar 21, 2026
Prize Pool
$1.0K
HackNation
Apr 25, 2026 - Apr 26, 2026
Prize Pool
$28.5K
Hack for Humanity | Summer 2026
Jul 3, 2026 - Aug 2, 2026
Prize Pool
Non-cash Prize
Product Management Hackathon
Mar 13, 2026 - Mar 15, 2026
Prize Pool
Non-cash Prize
VISION HACK
Mar 13, 2026 - Mar 14, 2026
Prize Pool
Non-cash Prize
LMU Hacks 2026
Mar 13, 2026 - Mar 14, 2026
Prize Pool
Non-cash Prize
Quest Hackathon
Mar 14, 2026 - Mar 31, 2026
Prize Pool
$5.5K
World Model Hackathon
Mar 14, 2026 - Mar 15, 2026
Prize Pool
$8.0K
ThunderHacks
Mar 14, 2026 - Mar 15, 2026
Prize Pool
$1.5K
B@BHacks 2026
Mar 13, 2026 - Mar 14, 2026
Prize Pool
$20.0K
SotonHack
Mar 14, 2026 - Mar 15, 2026
Prize Pool
Non-cash Prize
HackHealth 2026
Mar 14, 2026 - Mar 15, 2026
Prize Pool
Non-cash Prize
Status: EndedAleph Hackathon | March '26
Mar 20, 2026 - Mar 22, 2026
Prize Pool
$10.0K
TUJ Spring 2026 UI/UX Hackathon
Mar 13, 2026 - Mar 14, 2026
Prize Pool
Non-cash Prize
Develop the Next Hackathon
Mar 13, 2026 - Mar 25, 2026
Prize Pool
$3.9K
Claude Hackathon x UVicHacks
Mar 20, 2026 - Mar 21, 2026
Prize Pool
Non-cash Prize