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 →Hack Cupertino 2026
Apr 11, 2026 - Apr 12, 2026
Prize Pool
Non-cash Prize
Victor Hacks
Apr 11, 2026 - Apr 12, 2026
Prize Pool
$5.0K
INNOSpark Pitch Competition
Mar 1, 2026 - Apr 4, 2026
Prize Pool
$5.0K
PickHacks 2026
Feb 27, 2026 - Mar 1, 2026
Prize Pool
Non-cash Prize
Geminathon
Mar 1, 2026 - Mar 3, 2026
Prize Pool
Non-cash Prize
HenHacks 2026
Feb 28, 2026 - Mar 1, 2026
Prize Pool
Non-cash Prize
Shower Hacks
Oct 3, 2026 - Oct 4, 2026
Prize Pool
Non-cash Prize
Lone Star Hackathon
Feb 27, 2026 - Feb 28, 2026
Prize Pool
Non-cash Prize
Code for Connection: Open Lines, Open Source
Mar 7, 2026 - Mar 8, 2026
Prize Pool
Non-cash Prize
The Midwest Blockathon
Mar 6, 2026 - Mar 8, 2026
Prize Pool
$1.5K
Campfire Arlington
Feb 28, 2026 - Mar 1, 2026
Prize Pool
$400
WiCHacks '26
Feb 28, 2026 - Mar 1, 2026
Prize Pool
$2.0K
hackMHS XI
May 29, 2026 - May 30, 2026
Prize Pool
Non-cash Prize
BearHacks 2026
Apr 24, 2026 - Apr 26, 2026
Prize Pool
Non-cash Prize
Missouri Startup Weekend
Apr 17, 2026 - Apr 19, 2026
Prize Pool
$110.0K
OmegaHack EAFIT
Apr 18, 2026 - Apr 19, 2026
Prize Pool
Non-cash Prize
757 BLD WKND 2026 2.0
Jul 17, 2026 - Jul 19, 2026
Prize Pool
Non-cash Prize
HackPSU Spring 2026
Mar 28, 2026 - Mar 29, 2026
Prize Pool
$3.0K
Citrus Hack 2026
Apr 18, 2026 - Apr 19, 2026
Prize Pool
Non-cash Prize
DesignXR Hackathon
Mar 16, 2026 - Mar 22, 2026
Prize Pool
Non-cash Prize