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 →Hackspire Hackathon
Apr 27, 2026 - Apr 30, 2026
Prize Pool
Non-cash Prize
Devlance Hack
Apr 27, 2026 - May 1, 2026
Prize Pool
Non-cash Prize
GreenCode Hackathon
May 29, 2026 - May 30, 2026
Prize Pool
Non-cash Prize
Oink Game Jam 2 ($3000+ in prizes)
Apr 30, 2026 - May 14, 2026
Prize Pool
Non-cash Prize
HackJPS 2026
May 29, 2026 - May 30, 2026
Prize Pool
Non-cash Prize
TigerVerse 2026
Apr 25, 2026 - Apr 26, 2026
Prize Pool
$1.5K
Octo-Universe Hackathon
Apr 25, 2026 - Apr 28, 2026
Prize Pool
$3.9K
Synapse Innovation Hack
Apr 25, 2026 - Apr 27, 2026
Prize Pool
$2.0K
Nexora Innovation Summit
Apr 25, 2026 - Apr 30, 2026
Prize Pool
$5.5K
GDSC HackDay - Build With AI Hackathon
Apr 25, 2026 - Apr 26, 2026
Prize Pool
Non-cash Prize
RamHacks 2026
Apr 25, 2026 - Apr 26, 2026
Prize Pool
$25
Hack the Pulse
Apr 25, 2026 - Apr 27, 2026
Prize Pool
$3.0K
418 Hackathon – WebDev
Apr 25, 2026 - Apr 26, 2026
Prize Pool
₹35.0K
HackMHS 8
Apr 25, 2026 - Apr 26, 2026
Prize Pool
Non-cash Prize
Hack Arizona 2026
Apr 25, 2026 - Apr 26, 2026
Prize Pool
Non-cash Prize
Build Your Vision
May 7, 2026 - May 20, 2026
Prize Pool
₹10.0K
Creator Colosseum Startup Competition: Student Founders. Real Startups.
Apr 24, 2026 - Jun 1, 2026
Prize Pool
$575
CBC Hackathon 2026 @ NJIT
Apr 25, 2026 - Apr 26, 2026
Prize Pool
$300
CatHacks XII
Apr 24, 2026 - Apr 25, 2026
Prize Pool
Non-cash Prize
SJHacks 2026
Apr 25, 2026 - Apr 26, 2026
Prize Pool
Non-cash Prize