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 →Web of Innovation : AI Next Gen Hackathon 2026
Mar 15, 2026 - Mar 19, 2026
Prize Pool
Non-cash Prize
Campfire Biratnagar 2026: Nepal’s Biggest Game Jam
Feb 28, 2026 - Mar 1, 2026
Prize Pool
₹200.0K
WAV Hackathon
Mar 27, 2026 - Mar 28, 2026
Prize Pool
Non-cash Prize
AURELION
Feb 27, 2026 - Feb 28, 2026
Prize Pool
₹60.0K
404 Mission Found
Mar 15, 2026 - Mar 21, 2026
Prize Pool
$625
Generative AI Hackathon
Mar 20, 2026 - Mar 31, 2026
Prize Pool
$1.0K
LovHack x Medo
Feb 28, 2026 - Mar 2, 2026
Prize Pool
Non-cash Prize
HackTCNJ 2026
Feb 28, 2026 - Mar 1, 2026
Prize Pool
Non-cash Prize
Build with Gemini – Zetech HackDay
Feb 27, 2026 - Feb 28, 2026
Prize Pool
Non-cash Prize
GatewayGS Hackathon
Mar 15, 2026 - Apr 5, 2026
Prize Pool
Non-cash Prize
Infinity Codewave
Apr 24, 2026 - Apr 25, 2026
Prize Pool
$890
MunichTech EXPO
Sep 1, 2026 - Sep 20, 2026
Prize Pool
Non-cash Prize
Google Build with AI Hackathon
Apr 11, 2026 - Apr 12, 2026
Prize Pool
$10.0K
Hook 'Em Hacks
Apr 18, 2026 - Apr 19, 2026
Prize Pool
$1.5K
She ships - 8M hackathon
Mar 6, 2026 - Mar 8, 2026
Prize Pool
Non-cash Prize
Caltech Longevity Hackathon 2026
May 22, 2026 - May 24, 2026
Prize Pool
Non-cash Prize
IATA ONE Record Hackathon – hosted by Cathay Cargo & CHAMP Cargosystems
Apr 24, 2026 - Apr 26, 2026
Prize Pool
$12.0K
Maximally SaaS Sprint: Build in 7 Days
Mar 31, 2026 - Apr 6, 2026
Prize Pool
₹487.5K
DevonomicsV1
Mar 20, 2026 - Mar 27, 2026
Prize Pool
Non-cash Prize
GenAI Dev Hackathon
Feb 24, 2026 - Mar 24, 2026
Prize Pool
$100