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 →Build with GLM 5.1 Challenge by Z.ai
Mar 31, 2026 - Apr 7, 2026
Prize Pool
$5.0K
UCI Design-a-thon 2026
Mar 31, 2026 - Apr 26, 2026
Prize Pool
Non-cash Prize
Build Guild Toronto
Apr 25, 2026 - Apr 26, 2026
Prize Pool
Non-cash Prize
Designathon Spring 2026
Apr 10, 2026 - Apr 12, 2026
Prize Pool
Non-cash Prize
Hoobit Hacks 2026
Mar 30, 2026 - Jul 1, 2026
Prize Pool
Non-cash Prize
Production Engineering Hackathon
Apr 3, 2026 - Apr 5, 2026
Prize Pool
Non-cash Prize
CIReN Mini Hackathon
Mar 30, 2026 - Mar 31, 2026
Prize Pool
Non-cash Prize
GenZ Can Hack 2026
Apr 1, 2026 - Aug 22, 2026
Prize Pool
$5.0K
HackDays
Apr 2, 2026 - Apr 11, 2026
Prize Pool
Non-cash Prize
ESE 1900, Silicon Garage, Spring 2026
Mar 30, 2026 - May 1, 2026
Prize Pool
Non-cash Prize
Broncohacks 2026
Apr 25, 2026 - Apr 26, 2026
Prize Pool
$2.2K
PIXEL.GEMINI 2.0
Apr 20, 2026 - Apr 21, 2026
Prize Pool
Non-cash Prize
Aurora Global Hackathon
Apr 1, 2026 - Apr 17, 2026
Prize Pool
$10.6K
QWEN AI BUILD DAY
Apr 10, 2026 - Apr 17, 2026
Prize Pool
$4.0K
PantherHacks 2026
Apr 3, 2026 - Apr 5, 2026
Prize Pool
Non-cash Prize
Cloudathon@SJSU 2026
Apr 24, 2026 - Apr 25, 2026
Prize Pool
Non-cash Prize
SattamThon
Feb 3, 2026 - Apr 2, 2026
Prize Pool
Non-cash Prize
ALI Builds Hackathon
Apr 11, 2026 - Apr 12, 2026
Prize Pool
$3.0K
Q-Hackathon
Apr 8, 2026 - Apr 9, 2026
Prize Pool
€5.0K
Digital Innovation Challenge 2025 - Finance Track
Nov 20, 2025 - Apr 5, 2026
Prize Pool
Non-cash Prize