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 →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
Claude Builder Club Hackathon
Mar 28, 2026 - Mar 29, 2026
Prize Pool
Non-cash Prize
Synapse Sprint
Mar 29, 2026 - Apr 23, 2026
Prize Pool
Non-cash Prize
Q-Hackathon
Mar 29, 2026 - Mar 30, 2026
Prize Pool
Non-cash Prize
Hack Keele X Stem Hackathon 2026
Mar 28, 2026 - Mar 29, 2026
Prize Pool
Non-cash Prize
SillyHacks 2026
Mar 31, 2026 - Apr 1, 2026
Prize Pool
Non-cash Prize
HackNova 1.0, 2026
Mar 31, 2026 - Apr 1, 2026
Prize Pool
₹16.0K
HACKDAYS SRINAGAR
Mar 31, 2026 - Apr 1, 2026
Prize Pool
Non-cash Prize
sh (testing)
Mar 15, 2026 - Apr 5, 2026
Prize Pool
$100
Gemini Hack Night by CGI Club at ENSA Marrakech
Apr 10, 2026 - Apr 11, 2026
Prize Pool
Non-cash Prize
YHack Spring 2026
Mar 28, 2026 - Mar 29, 2026
Prize Pool
$52.4K
Quantum Sprint
Mar 28, 2026 - Mar 30, 2026
Prize Pool
$7.3K
Bath Hack 2026
Mar 28, 2026 - Mar 29, 2026
Prize Pool
Non-cash Prize
DevHouse Global Hackathon 2026
Mar 28, 2026 - Apr 11, 2026
Prize Pool
$3.8K