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 →MACATHON 2026
Apr 10, 2026 - Apr 12, 2026
Prize Pool
$3.0K
HackUPC 2026
Apr 24, 2026 - Apr 26, 2026
Prize Pool
Non-cash Prize
WQCC Quantum Optimization Hackathon
Apr 10, 2026 - Apr 30, 2026
Prize Pool
Non-cash Prize
AI4Good Hackathon
Apr 11, 2026 - Apr 12, 2026
Prize Pool
$1.0K
HackDay26
Apr 9, 2026 - Apr 10, 2026
Prize Pool
Non-cash Prize
Orion Build Challenge
Apr 10, 2026 - Apr 16, 2026
Prize Pool
$4.3K
NYU DSC X Pulse Foundry AI NYC
Apr 10, 2026 - Apr 12, 2026
Prize Pool
Non-cash Prize
Tech Builders Program
Apr 9, 2026 - Apr 16, 2026
Prize Pool
$7.5K
GenLink Hacks
Apr 12, 2026 - Apr 18, 2026
Prize Pool
$32.4K
Elevate Hack Days
May 1, 2026 - May 2, 2026
Prize Pool
Non-cash Prize
Knovwy Hack Days 2.0 | Bhopal
May 1, 2026 - May 2, 2026
Prize Pool
Non-cash Prize
Bard ColorStack Computing for Social Good
Apr 18, 2026 - Apr 19, 2026
Prize Pool
Non-cash Prize
Technowledge 2K26 HackDay
Apr 9, 2026 - Apr 11, 2026
Prize Pool
₹5.0K
HackPulse
Apr 20, 2026 - Apr 26, 2026
Prize Pool
$5.3K
DataHub x Nebius AI Hackathon
Apr 9, 2026 - Apr 10, 2026
Prize Pool
Non-cash Prize
Codebrew 2026
Apr 9, 2026 - Apr 11, 2026
Prize Pool
$1.9K
HackSMC Spring 2026
May 9, 2026 - May 10, 2026
Prize Pool
Non-cash Prize
Build with MeDo Hackathon
Apr 9, 2026 - May 20, 2026
Prize Pool
$50.0K
Lyzr Agentathon
Apr 24, 2026 - Apr 25, 2026
Prize Pool
₹200.0K
LUMA Hackathon: Pitch your idea, win up to $500
May 2, 2026 - May 16, 2026
Prize Pool
$250