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 →Frostbyte Hackathon
Apr 3, 2026 - Apr 5, 2026
Prize Pool
$5.5K
LEVIATHAN Hackathon [AXI0M labs]
May 2, 2026 - May 3, 2026
Prize Pool
$300
Mega Agent-A-Thon
Jun 4, 2026 - Jun 14, 2026
Prize Pool
Non-cash Prize
Status: UpcomingLocus' Paygentic Hackathon - #4
May 2, 2026 - May 7, 2026
Prize Pool
$1.0K
Status: EndedLocus' Paygentic Hackathon - #2
Apr 18, 2026 - Apr 23, 2026
Prize Pool
$1.0K
Status: EndedLocus' Paygentic Hackathon - #3
Apr 25, 2026 - Apr 30, 2026
Prize Pool
$1.0K
Status: EndedLocus' Paygentic Hackathon - #1
Apr 11, 2026 - Apr 16, 2026
Prize Pool
$1.0K
Status: EndedHACKOWASP 8.0
Apr 17, 2026 - Apr 19, 2026
Prize Pool
$430
Los Altos Hacks X
Apr 11, 2026 - Apr 12, 2026
Prize Pool
Non-cash Prize
1st International Prosolve 2026
Apr 11, 2026 - May 22, 2026
Prize Pool
$2.0K
Tufts NSDC Datathon
Apr 10, 2026 - Apr 11, 2026
Prize Pool
Non-cash Prize
Hack Days Nagpur
May 1, 2026 - May 2, 2026
Prize Pool
Non-cash Prize
Code With Gemini
Apr 29, 2026 - May 3, 2026
Prize Pool
Non-cash Prize
BlasterHacks 2026
Apr 3, 2026 - Apr 5, 2026
Prize Pool
Non-cash Prize
Status: ActiveThe Bags Hackathon
Apr 2, 2026 - Jun 1, 2026
Prize Pool
$1.0M
McGill Data Network Hackathon 2026
Apr 1, 2026 - Apr 2, 2026
Prize Pool
$300
HackDartmouth XI
Apr 11, 2026 - Apr 12, 2026
Prize Pool
Non-cash Prize
NACOS X GDG AI Hackathon
Apr 1, 2026 - Apr 25, 2026
Prize Pool
Non-cash Prize
Build4SC
Apr 3, 2026 - Apr 4, 2026
Prize Pool
$175
Rutgers MTC Code for Impact Hackathon
Apr 3, 2026 - Apr 4, 2026
Prize Pool
$10