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 →DesignVerse 2026
May 16, 2026 - May 17, 2026
Prize Pool
Non-cash Prize
Aar$h# CodeStorm
May 11, 2026 - Jun 13, 2026
Prize Pool
Non-cash Prize
HackHazards '2026
May 10, 2026 - May 30, 2026
Prize Pool
$6.0K
Virtual Dreams 2026
May 16, 2026 - May 30, 2026
Prize Pool
Non-cash Prize
Liftoff
May 9, 2026 - May 10, 2026
Prize Pool
Non-cash Prize
NEXA HACK
May 9, 2026 - May 14, 2026
Prize Pool
$41.0K
The AI Hack
May 9, 2026 - May 15, 2026
Prize Pool
Non-cash Prize
JEWEL CITY HACKS 4.0
May 8, 2026 - May 9, 2026
Prize Pool
$500
Vector Vision
May 9, 2026 - May 26, 2026
Prize Pool
₹5.5K
Hack2Dawn
May 8, 2026 - May 9, 2026
Prize Pool
Non-cash Prize
KentHackIt
May 9, 2026 - May 10, 2026
Prize Pool
Non-cash Prize
Knight Hacks IX: Into the Enchanted Forest!
Oct 9, 2026 - Oct 11, 2026
Prize Pool
Non-cash Prize
Claude Builders Club @ UC San Diego Hackathon
May 8, 2026 - May 9, 2026
Prize Pool
Non-cash Prize
WWU Social Justice Hackathon
Oct 16, 2026 - Oct 18, 2026
Prize Pool
Non-cash Prize
Vanier's project showcase
Feb 3, 2025 - May 10, 2026
Prize Pool
$500
Startup India X MarkSoc SBSC National Case Competition
May 8, 2026 - May 9, 2026
Prize Pool
₹3.0K
MLT20 AI Buildathon (Powered by WNCP AI)
May 8, 2026 - May 12, 2026
Prize Pool
Non-cash Prize
North Carolina FidHacks 2026
May 11, 2026 - May 12, 2026
Prize Pool
$450
MLH HackDays by RoBorregos 2026
May 8, 2026 - May 9, 2026
Prize Pool
Non-cash Prize
LAGCC Spring 2026 Hackathon
May 7, 2026 - May 8, 2026
Prize Pool
$100