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 →NighthawkHacks
Apr 13, 2026 - Apr 14, 2026
Prize Pool
Non-cash Prize
Ramblin' Hacks 2026
Apr 10, 2026 - Apr 11, 2026
Prize Pool
Non-cash Prize
Palmetto Hacks
Apr 10, 2026 - Apr 11, 2026
Prize Pool
$3.0K
Codecon Universe 26
May 29, 2026 - May 31, 2026
Prize Pool
Non-cash Prize
Bharat Bricks Hacks 2026: IIT Delhi
Apr 7, 2026 - Apr 8, 2026
Prize Pool
₹250.0K
AlgoFest Hackathon 2026
Apr 6, 2026 - Apr 29, 2026
Prize Pool
$5.0K
HackNova 2026 (TEST)
Apr 8, 2026 - Apr 11, 2026
Prize Pool
Non-cash Prize
BGI Hackathon 2026 – Vision 2047: Viksit Bharat
Apr 7, 2026 - Apr 30, 2026
Prize Pool
₹296.0K
Design and Development Hackathon
Apr 7, 2026 - Apr 8, 2026
Prize Pool
Non-cash Prize
Hack days in hosur
Apr 7, 2026 - Apr 8, 2026
Prize Pool
Non-cash Prize
AI Autonomous Smart City Hackathon 2026
Apr 15, 2026 - Apr 23, 2026
Prize Pool
Non-cash Prize
vsHacks 2026
Jul 11, 2026 - Jul 12, 2026
Prize Pool
Non-cash Prize
DevClash
Apr 11, 2026 - Apr 12, 2026
Prize Pool
₹100.0K
Panther Hacks
Apr 17, 2026 - Apr 18, 2026
Prize Pool
Non-cash Prize
Agenthon 001 (agent hackathon)
Apr 10, 2026 - Apr 11, 2026
Prize Pool
Non-cash Prize
ACC x ADSC Project-A-Thon
Apr 4, 2026 - Apr 5, 2026
Prize Pool
Non-cash Prize
Data Heist 2026
Apr 4, 2026 - Apr 5, 2026
Prize Pool
$250
youCode 2026
Apr 4, 2026 - Apr 5, 2026
Prize Pool
Non-cash Prize
Claude Builders AI Hackathon
Apr 3, 2026 - Apr 4, 2026
Prize Pool
$2.3K
Build with AI: Code Social – From Idea to Demo
Apr 10, 2026 - Apr 12, 2026
Prize Pool
Non-cash Prize