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 →Rutgers Health Hack 2026
Oct 9, 2026 - Oct 11, 2026
Prize Pool
$10.0K
Build with Gemma - Innovate in Windsor
Nov 13, 2026 - Nov 20, 2026
Prize Pool
Non-cash Prize
HackStorm 3.0: Sense, Think and Act
Nov 6, 2026 - Nov 8, 2026
Prize Pool
$5.2K
Hacklanta
Oct 9, 2026 - Oct 11, 2026
Prize Pool
$20.0K
Sherubtse Hackathon 2026
Sep 26, 2026 - Sep 27, 2026
Prize Pool
₹6.0K
OCCHacks
Oct 10, 2026 - Oct 11, 2026
Prize Pool
$2.0K
Central Hacks
Nov 14, 2026 - Nov 15, 2026
Prize Pool
$1.2K
Cutie Hack 2026
Nov 20, 2026 - Nov 21, 2026
Prize Pool
Non-cash Prize
Hack-a-ton with Friends
Nov 14, 2026 - Nov 15, 2026
Prize Pool
Non-cash Prize
Sheridan Datathon 2026
Nov 7, 2026 - Nov 8, 2026
Prize Pool
$10.0K
Kurukshetra CTF
Oct 2, 2026 - Oct 3, 2026
Prize Pool
₹20.0K
HackMatrix 5.0
Sep 28, 2026 - Sep 29, 2026
Prize Pool
₹70.0K
hacks test
Sep 9, 2027 - Dec 10, 2027
Prize Pool
$1
HarborHack 2026 - Agent In The Loop
Oct 23, 2026 - Oct 25, 2026
Prize Pool
$1.5K
Hyphen-Hacks
Oct 9, 2026 - Oct 10, 2026
Prize Pool
Non-cash Prize
804 Hacks
Oct 23, 2026 - Oct 24, 2026
Prize Pool
$978
LovHack Season 3
Sep 26, 2026 - Oct 4, 2026
Prize Pool
Non-cash Prize
STEMergent Hacks 2026
Oct 18, 2026 - Oct 31, 2026
Prize Pool
Non-cash Prize
Hack the Change 2026
Nov 7, 2026 - Nov 8, 2026
Prize Pool
$5.0K
Girls Hoo Hack 2026
Oct 17, 2026 - Oct 18, 2026
Prize Pool
Non-cash Prize