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 →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
DDC x Ignition Hacks
Apr 3, 2026 - Apr 4, 2026
Prize Pool
Non-cash Prize
Google Solutions Challenge GDG on Campus Virginia Tech Spring 2026
Apr 4, 2026 - Apr 11, 2026
Prize Pool
$960
West Hacks
May 1, 2026 - Jun 1, 2026
Prize Pool
$150
EGN Build-a-thon 2026
Apr 18, 2026 - Apr 24, 2026
Prize Pool
Non-cash Prize
BagelHacks II
Apr 3, 2026 - Apr 4, 2026
Prize Pool
$3.0K
Nira hackathon
Apr 4, 2026 - May 2, 2026
Prize Pool
$500
UTSC Hacks
Apr 4, 2026 - Apr 5, 2026
Prize Pool
$500
Catapult 2026
Apr 4, 2026 - Apr 5, 2026
Prize Pool
Non-cash Prize
Hack the Drone - MATLAB Hackathon
May 28, 2026 - May 29, 2026
Prize Pool
Non-cash Prize
Bharat Bricks Hacks 2026: IISc Bengaluru
Apr 4, 2026 - Apr 5, 2026
Prize Pool
₹125.0K
Innovation Hacks 2026
Apr 4, 2026 - Apr 5, 2026
Prize Pool
Non-cash Prize
DiamondHacks 2026
Apr 4, 2026 - Apr 5, 2026
Prize Pool
$24.8K