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 →Hook Em Hacks 2027
Feb 27, 2027 - Feb 28, 2027
Prize Pool
$1.0K
Ensign Build
Oct 9, 2026 - Oct 10, 2026
Prize Pool
Non-cash Prize
Revolution
Dec 5, 2026 - Dec 6, 2026
Prize Pool
Non-cash Prize
Action Space
Oct 24, 2026 - Oct 25, 2026
Prize Pool
Non-cash Prize
MakeUC 2026
Nov 7, 2026 - Nov 8, 2026
Prize Pool
Non-cash Prize
SVC Hackathon 2027
May 7, 2027 - May 8, 2027
Prize Pool
Non-cash Prize
JacHacks a2Tech
Sep 26, 2026 - Sep 27, 2026
Prize Pool
$2.8K
Future innovators hackothon
Oct 2, 2026 - Oct 4, 2026
Prize Pool
Non-cash Prize
Meow
Nov 7, 2026 - Nov 8, 2026
Prize Pool
Non-cash Prize
HackRPI 2026
Nov 7, 2026 - Nov 8, 2026
Prize Pool
$4.0K
Gear Up Hacks 2026
Oct 2, 2026 - Oct 3, 2026
Prize Pool
Non-cash Prize
N/A
Feb 2, 2027 - Apr 6, 2027
Prize Pool
$2
Hack Atlantic
Sep 26, 2026 - Sep 27, 2026
Prize Pool
$1
Hackyard Build 2026
Oct 24, 2026 - Oct 25, 2026
Prize Pool
Non-cash Prize
Seattle GiveCamp 2026
Oct 16, 2026 - Oct 18, 2026
Prize Pool
Non-cash Prize
Hack the Hill III
Sep 25, 2026 - Sep 27, 2026
Prize Pool
Non-cash Prize
Financial Cybersecurity Challenge 2026
Oct 3, 2026 - Oct 4, 2026
Prize Pool
Non-cash Prize
CrownHacks
Oct 9, 2026 - Oct 11, 2026
Prize Pool
Non-cash Prize
GeauxHack 2026
Oct 23, 2026 - Oct 25, 2026
Prize Pool
Non-cash Prize
FutureForge Hacks
Nov 20, 2026 - Nov 21, 2026
Prize Pool
Non-cash Prize