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 →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
Campfire Padova
Feb 28, 2026 - Mar 1, 2026
Prize Pool
Non-cash Prize
Hack Ramapo 2026
Feb 27, 2026 - Feb 28, 2026
Prize Pool
$1.0K
HACKDAYS SRINAGAR
Mar 24, 2026 - Mar 25, 2026
Prize Pool
Non-cash Prize
Hack the Galaxy
Mar 13, 2026 - Mar 14, 2026
Prize Pool
$100
MVHacks 9.0
Mar 27, 2026 - Mar 28, 2026
Prize Pool
Non-cash Prize
UChicago KTP Hackdays 2026
Feb 27, 2026 - Feb 28, 2026
Prize Pool
Non-cash Prize
MMUST HACKDAY
Mar 13, 2026 - Mar 14, 2026
Prize Pool
Non-cash Prize
Autonomous Agents Hackathon
Feb 26, 2026 - Feb 27, 2026
Prize Pool
$7.8K
Hack Days JNGEC
Mar 2, 2026 - Mar 3, 2026
Prize Pool
Non-cash Prize
HudHack2026
Feb 25, 2026 - Feb 26, 2026
Prize Pool
Non-cash Prize
AfroPix 2026
Feb 27, 2026 - Feb 28, 2026
Prize Pool
Non-cash Prize