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 →Build with AI Makerere Hackathon
Jun 26, 2026 - Jun 27, 2026
Prize Pool
Non-cash Prize
SmartAIthon 2026
Jun 24, 2026 - Jul 15, 2026
Prize Pool
₹10.0K
Hack the Arts
Jul 1, 2026 - Aug 1, 2026
Prize Pool
$1.0K
GDGoC Hackathon
Jun 17, 2026 - Jun 29, 2026
Prize Pool
$100
FutureHacks
Jun 24, 2026 - Jun 28, 2026
Prize Pool
$5.0K
NeuralSprint
Jun 18, 2026 - Aug 24, 2026
Prize Pool
Non-cash Prize
RevenueCat Shipaton 2026
Aug 1, 2026 - Sep 30, 2026
Prize Pool
$425.0K
The Rice University Urban Sustainability Hackathon
Jun 23, 2026 - Sep 18, 2026
Prize Pool
$17.5K
Health in Climate London Hackathon
Jun 20, 2026 - Jun 21, 2026
Prize Pool
£4.5K
ImpactForge
Jun 19, 2026 - Jul 24, 2026
Prize Pool
Non-cash Prize
MATA Youth Hackathon on Government Communication, Branding & Trade Lead Ministry
Jun 19, 2026 - Jun 26, 2026
Prize Pool
Non-cash Prize
Build Beyond Hackathon
Jun 18, 2026 - Aug 16, 2026
Prize Pool
Non-cash Prize
Vitalitics 2026
Jun 20, 2026 - Jul 31, 2026
Prize Pool
Non-cash Prize
Hack The Limit
Jun 18, 2026 - Jul 30, 2026
Prize Pool
Non-cash Prize
Hack Days in Krishnagiri
Jun 18, 2026 - Jun 25, 2026
Prize Pool
Non-cash Prize
QF HackFest
May 30, 2026 - Jun 22, 2026
Prize Pool
Non-cash Prize
AI YES :International Youth AI Competition
Jun 17, 2026 - Sep 1, 2026
Prize Pool
Non-cash Prize
Impact Creation
Jun 13, 2026 - Jul 1, 2026
Prize Pool
Non-cash Prize
Hack Munch
Jun 3, 2026 - Jun 28, 2026
Prize Pool
Non-cash Prize
Hack Verse
Jun 2, 2026 - Jun 28, 2026
Prize Pool
Non-cash Prize