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 →Product Management Hackathon
Mar 13, 2026 - Mar 15, 2026
Prize Pool
Non-cash Prize
VISION HACK
Mar 13, 2026 - Mar 14, 2026
Prize Pool
Non-cash Prize
LMU Hacks 2026
Mar 13, 2026 - Mar 14, 2026
Prize Pool
Non-cash Prize
Quest Hackathon
Mar 14, 2026 - Mar 31, 2026
Prize Pool
$5.5K
World Model Hackathon
Mar 14, 2026 - Mar 15, 2026
Prize Pool
$8.0K
ThunderHacks
Mar 14, 2026 - Mar 15, 2026
Prize Pool
$1.5K
B@BHacks 2026
Mar 13, 2026 - Mar 14, 2026
Prize Pool
$20.0K
SotonHack
Mar 14, 2026 - Mar 15, 2026
Prize Pool
Non-cash Prize
HackHealth 2026
Mar 14, 2026 - Mar 15, 2026
Prize Pool
Non-cash Prize
Status: EndedAleph Hackathon | March '26
Mar 20, 2026 - Mar 22, 2026
Prize Pool
$10.0K
TUJ Spring 2026 UI/UX Hackathon
Mar 13, 2026 - Mar 14, 2026
Prize Pool
Non-cash Prize
Develop the Next Hackathon
Mar 13, 2026 - Mar 25, 2026
Prize Pool
$3.9K
Claude Hackathon x UVicHacks
Mar 20, 2026 - Mar 21, 2026
Prize Pool
Non-cash Prize
NextDev Hackathon
Mar 13, 2026 - Mar 24, 2026
Prize Pool
$3.9K
Chakravyuh - The Escape Protocol
Mar 13, 2026 - Mar 25, 2026
Prize Pool
Non-cash Prize
Katz School CS & A.I Club Ideathon
Mar 23, 2026 - Apr 12, 2026
Prize Pool
Non-cash Prize
test4
Mar 12, 2026 - Mar 13, 2026
Prize Pool
Non-cash Prize
ClubHacks
Apr 3, 2026 - Apr 4, 2026
Prize Pool
$500
Hackalot HMA – Clash of Code
Mar 12, 2026 - Mar 13, 2026
Prize Pool
Non-cash Prize
GenAI Genesis 2026
Mar 13, 2026 - Mar 15, 2026
Prize Pool
$20.0K