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 →Code4Sudan: Pytorch Hackathon
Feb 1, 2026 - Feb 28, 2026
Prize Pool
$100
AI4PURPOSE-PALESTINE
Feb 14, 2026 - Feb 24, 2026
Prize Pool
$1.0K
Prompt-a-Thon
Feb 13, 2026 - Feb 25, 2026
Prize Pool
Non-cash Prize
#75HER Challenge Hackathon 2026
Feb 16, 2026 - Mar 8, 2026
Prize Pool
$1.5K
SunnyHacks Feb 2026
Feb 1, 2026 - Mar 1, 2026
Prize Pool
Non-cash Prize
Everything But the Byte
Jan 14, 2026 - Feb 25, 2026
Prize Pool
$50
API Innovate 2026
Feb 14, 2026 - Mar 15, 2026
Prize Pool
₹9.0K
ORIGIN Hackathon
Feb 4, 2026 - Feb 24, 2026
Prize Pool
Non-cash Prize
Learn It Global Hackathon V2
Feb 14, 2026 - Feb 28, 2026
Prize Pool
Non-cash Prize
CodeSprout Beginner’s Hackathon 2026
Feb 14, 2026 - Feb 28, 2026
Prize Pool
Non-cash Prize
Martingale Hacks
Dec 9, 2025 - Feb 28, 2026
Prize Pool
Non-cash Prize
Strathspace Hack Day
Oct 27, 2025 - Feb 26, 2026
Prize Pool
Non-cash Prize
Apertre 3.0
Jan 31, 2026 - Mar 1, 2026
Prize Pool
₹50.0K
Creator Colosseum Startup Competition: Student Founders. Real Startups.
Jan 6, 2026 - Mar 26, 2026
Prize Pool
$575
Automation Innovation Hackathon 2026
Feb 14, 2026 - Mar 10, 2026
Prize Pool
$24.0K
CircuitBreak 2025
Jan 1, 2026 - Mar 31, 2026
Prize Pool
Non-cash Prize
AI For Good
Jan 31, 2026 - Feb 28, 2026
Prize Pool
₹60.0K
Global Innovation Build Challenge V1
Dec 13, 2025 - Feb 28, 2026
Prize Pool
Non-cash Prize
Hack for Humanity | 2026 (participation prizes!)
Feb 1, 2026 - Feb 28, 2026
Prize Pool
Non-cash Prize
Dev Season of Code
Jan 26, 2026 - Feb 28, 2026
Prize Pool
$4.0K