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 o Phobia 2026
Mar 16, 2026 - Mar 18, 2026
Prize Pool
Non-cash Prize
Seattle Divergent Hackathon
Mar 20, 2026 - Mar 21, 2026
Prize Pool
$600
Genovate Hack Days
Mar 16, 2026 - Mar 17, 2026
Prize Pool
Non-cash Prize
CBHS 2026 Hackathon
Apr 6, 2026 - Apr 13, 2026
Prize Pool
$150
Hack for Humanity | Summer 2026
Jul 3, 2026 - Aug 2, 2026
Prize Pool
Non-cash Prize
HooHacks 2026
Mar 21, 2026 - Mar 22, 2026
Prize Pool
$13.2K
AEE Energy Hackathon
Apr 18, 2026 - Apr 19, 2026
Prize Pool
Non-cash Prize
Hyperbloom V2
Mar 16, 2026 - Apr 15, 2026
Prize Pool
₹7.0K
birmingHack 2.0
Mar 14, 2026 - Mar 15, 2026
Prize Pool
Non-cash Prize
Hack The Break 2026
Mar 14, 2026 - Mar 15, 2026
Prize Pool
Non-cash Prize
TECHZEAL 2026
Mar 14, 2026 - Mar 20, 2026
Prize Pool
₹30.0K
Hacknight Hackathon
Mar 15, 2026 - Mar 25, 2026
Prize Pool
$6.0K
AlgoXplore 2.0
May 1, 2026 - May 31, 2026
Prize Pool
Non-cash Prize
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