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 →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
Claude Builder Hackathon, UG
Mar 27, 2026 - Mar 28, 2026
Prize Pool
$198
Technohacks Hackathon 2026
Mar 29, 2026 - Mar 30, 2026
Prize Pool
Non-cash Prize
HackHounds 2026
Apr 11, 2026 - Apr 12, 2026
Prize Pool
Non-cash Prize
VEX IQ Mix & Match 2026 ULTIMATE HACKATHON
Mar 28, 2026 - Apr 18, 2026
Prize Pool
$1.7K
Galuxium Nexus V2
Jul 1, 2026 - Aug 1, 2026
Prize Pool
₹100.0K
Gemini Hack Day
Apr 10, 2026 - Apr 11, 2026
Prize Pool
Non-cash Prize
Gemini Hack Night by CGI Club at ENSA Marrakech
Apr 10, 2026 - Apr 11, 2026
Prize Pool
Non-cash Prize
Gemini Hack day
Apr 24, 2026 - Apr 25, 2026
Prize Pool
Non-cash Prize
Code Innovation
Apr 22, 2026 - Apr 23, 2026
Prize Pool
Non-cash Prize
CodeBlue
Apr 30, 2026 - May 2, 2026
Prize Pool
$1.0K