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 →BuunieX Hackathon
Jun 22, 2026 - Jul 22, 2026
Prize Pool
Non-cash Prize
Healthcare x AI Hackathon | HAIG Media
Jun 26, 2026 - Jun 27, 2026
Prize Pool
$1.5K
SC Quantathon v3
Sep 26, 2026 - Sep 27, 2026
Prize Pool
Non-cash Prize
Build for People: Al + Human Creativity - Inclusive AI Hackathon
Jun 20, 2026 - Jun 21, 2026
Prize Pool
Non-cash Prize
ACC Workshop June 26th
Jun 26, 2026 - Jul 3, 2026
Prize Pool
Non-cash Prize
AI Hackathon 2026 by LA Hacks
Oct 17, 2026 - Oct 18, 2026
Prize Pool
Non-cash Prize
DeveloperWeek 2027 Hackathon
Jan 25, 2027 - Feb 11, 2027
Prize Pool
Non-cash Prize
CloudHacks 2026
Aug 23, 2026 - Aug 24, 2026
Prize Pool
$100
H.A.R.D. Hack 2027
Jan 30, 2027 - Jan 31, 2027
Prize Pool
$300
GoatHacks 2027
Jan 22, 2027 - Jan 24, 2027
Prize Pool
Non-cash Prize
Case Closed
Jul 25, 2026 - Jul 26, 2026
Prize Pool
$2.0K
Iris Hacks IV
Aug 8, 2026 - Aug 9, 2026
Prize Pool
Non-cash Prize
Cyber Hawk Hack Days
Sep 25, 2026 - Sep 26, 2026
Prize Pool
Non-cash Prize
Global Builders Hackathon: Code for Impact
Aug 8, 2026 - Aug 10, 2026
Prize Pool
Non-cash Prize
Hack Days CUET
Jun 26, 2026 - Jun 27, 2026
Prize Pool
Non-cash Prize
MelonJam 7
Jul 17, 2026 - Jul 20, 2026
Prize Pool
Non-cash Prize
HackPSU Fall 2026
Oct 24, 2026 - Oct 25, 2026
Prize Pool
$1.5K
HackGT13
Sep 25, 2026 - Sep 27, 2026
Prize Pool
$333
Global AI Filmmaking Hackathon (EAST2046 × TapNow × Bionic Awards)
Jul 3, 2026 - Jul 10, 2026
Prize Pool
£1.0K
PeddieHacks 2026
Aug 14, 2026 - Aug 16, 2026
Prize Pool
Non-cash Prize