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 →Hack o Phobia
Mar 9, 2026 - Mar 10, 2026
Prize Pool
Non-cash Prize
hackTAMS 2026
Feb 28, 2026 - Mar 1, 2026
Prize Pool
Non-cash Prize
UCLA Hack on the Hill (HOTH) XIII
Mar 1, 2026 - Mar 2, 2026
Prize Pool
$1.1K
DeerHacks V (2026)
Feb 27, 2026 - Mar 1, 2026
Prize Pool
Non-cash Prize
SEP X Microsoft for Startups Hackathon
Feb 28, 2026 - Mar 1, 2026
Prize Pool
$600
Hack Days in Bogotá
Feb 26, 2026 - Feb 27, 2026
Prize Pool
Non-cash Prize
TerraCode Convergence
Feb 26, 2026 - Feb 27, 2026
Prize Pool
$5.0K
DEFI Hack Days : From Internal Problem to Digital Solution
Feb 27, 2026 - Mar 20, 2026
Prize Pool
Non-cash Prize
TECH HACKS 2.0
Feb 26, 2026 - Mar 8, 2026
Prize Pool
₹30.0K
ZerveHack
Feb 26, 2026 - Apr 29, 2026
Prize Pool
$10.0K
Cambridge RealityX VRAR Hackthon
Mar 7, 2026 - Mar 13, 2026
Prize Pool
£1.0K
Test_Hackathon
Feb 26, 2026 - Feb 27, 2026
Prize Pool
Non-cash Prize
ACM Trojan Hacks 2026
Feb 27, 2026 - Feb 28, 2026
Prize Pool
Non-cash Prize
Status: EndedPacifica Hackathon
Mar 15, 2026 - Apr 16, 2026
Prize Pool
$15.0K
Status: EndedHack with YO: Designing Smart DeFi Savings
Feb 26, 2026 - Mar 19, 2026
Prize Pool
$3.0K
HunterHacks
Apr 25, 2026 - Apr 26, 2026
Prize Pool
Non-cash Prize
GreyHacks Spring 2026
Mar 6, 2026 - Mar 7, 2026
Prize Pool
Non-cash Prize
World Mission High School Hack Days
Mar 5, 2026 - Mar 6, 2026
Prize Pool
Non-cash Prize
LancerHacks IX
Mar 20, 2026 - Mar 21, 2026
Prize Pool
Non-cash Prize
Hack The Student Life 2026
Mar 12, 2026 - Mar 13, 2026
Prize Pool
Non-cash Prize