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 →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
doable with lovable
Mar 23, 2026 - Mar 24, 2026
Prize Pool
Non-cash Prize
Brewing Codes 4.0
Mar 12, 2028 - Mar 27, 2028
Prize Pool
$160.0K
Code as a Canvas
Mar 14, 2026 - Mar 21, 2026
Prize Pool
Non-cash Prize
Creative AI & Digital Media
Apr 23, 2026 - Apr 29, 2026
Prize Pool
Non-cash Prize
SS Hacker Team Cybersecurity GLOBAL Challenge 2026
May 10, 2026 - May 25, 2026
Prize Pool
Non-cash Prize
Build with Trae and MiniMax
Mar 27, 2026 - Mar 28, 2026
Prize Pool
$1.6K
Grizzly Hacks III
Apr 25, 2026 - Apr 26, 2026
Prize Pool
$4.5K
Introdex
Mar 11, 2026 - Mar 24, 2026
Prize Pool
Non-cash Prize
Hacklanta
Mar 27, 2026 - Mar 28, 2026
Prize Pool
$1.5K
Tech to Treasure Hackathon
Mar 27, 2026 - Mar 28, 2026
Prize Pool
Non-cash Prize
Box Box
May 1, 2026 - May 3, 2026
Prize Pool
Non-cash Prize
Technology for Good 2026
Mar 12, 2026 - Mar 14, 2026
Prize Pool
$250
HackHayward 2026
Mar 21, 2026 - Mar 22, 2026
Prize Pool
Non-cash Prize