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 →doable with lovable
Mar 23, 2026 - Mar 24, 2026
Prize Pool
Non-cash Prize
Brewing Codes 4.0
Mar 12, 2028 - Mar 27, 2028
Prize Pool
$160.0K
Code as a Canvas
Mar 14, 2026 - Mar 21, 2026
Prize Pool
Non-cash Prize
Creative AI & Digital Media
Apr 23, 2026 - Apr 29, 2026
Prize Pool
Non-cash Prize
SS Hacker Team Cybersecurity GLOBAL Challenge 2026
May 10, 2026 - May 25, 2026
Prize Pool
Non-cash Prize
Build with Trae and MiniMax
Mar 27, 2026 - Mar 28, 2026
Prize Pool
$1.6K
Grizzly Hacks III
Apr 25, 2026 - Apr 26, 2026
Prize Pool
$4.5K
Introdex
Mar 11, 2026 - Mar 24, 2026
Prize Pool
Non-cash Prize
Hacklanta
Mar 27, 2026 - Mar 28, 2026
Prize Pool
$1.5K
Tech to Treasure Hackathon
Mar 27, 2026 - Mar 28, 2026
Prize Pool
Non-cash Prize
Box Box
May 1, 2026 - May 3, 2026
Prize Pool
Non-cash Prize
Technology for Good 2026
Mar 12, 2026 - Mar 14, 2026
Prize Pool
$250
HackHayward 2026
Mar 21, 2026 - Mar 22, 2026
Prize Pool
Non-cash Prize
HHDemo
Mar 10, 2026 - Mar 11, 2026
Prize Pool
Non-cash Prize
Melange On-Device AI Hackathon
Mar 10, 2026 - Mar 12, 2026
Prize Pool
$1.5K
HackRPI2026 Worst UI Competition
Mar 14, 2026 - Mar 15, 2026
Prize Pool
Non-cash Prize
HARD MODE: Hardware x AI Hackathon
Mar 9, 2026 - Mar 10, 2026
Prize Pool
Non-cash Prize
Next Level Hackathon
Mar 10, 2026 - Mar 22, 2026
Prize Pool
$7.0K
Hackdays Lucknow
May 17, 2026 - May 18, 2026
Prize Pool
Non-cash Prize
Smart Horizon 2026: 48-Hour International Hackathon
Mar 10, 2026 - Mar 20, 2026
Prize Pool
₹2.4M