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 →$1,000 Industrial AI Hackathon
Jun 26, 2026 - Jun 27, 2026
Prize Pool
$1.0K
Global Innovation Build Challenge V2
Jul 11, 2026 - Sep 21, 2026
Prize Pool
Non-cash Prize
BioHacks
Sep 26, 2026 - Sep 27, 2026
Prize Pool
Non-cash Prize
HackTitan
Feb 2, 2027 - Feb 4, 2027
Prize Pool
$10.0K
Dev Clash
Jun 24, 2026 - Jun 25, 2026
Prize Pool
Non-cash Prize
The Vakathon
Jul 10, 2026 - Jul 11, 2026
Prize Pool
$5.0K
QuantumHacks
Jun 21, 2026 - Aug 20, 2026
Prize Pool
$1.0K
DTI Hackathon 2026
Jun 18, 2026 - Jul 31, 2026
Prize Pool
Non-cash Prize
HackNomics
May 24, 2026 - Jun 22, 2026
Prize Pool
Non-cash Prize
INDIA RUNS 2026
Jun 20, 2026 - Jul 15, 2026
Prize Pool
₹500.0K
Zero to Live: Website Challenge
Jun 21, 2026 - Jun 30, 2026
Prize Pool
Non-cash Prize
Innovators Hub Hackathon
Jun 28, 2026 - Jun 29, 2026
Prize Pool
₹1.9K
Ctrl+V Hackathon
Jul 1, 2026 - Jul 5, 2026
Prize Pool
Non-cash Prize
UOE Summer of Code
May 16, 2026 - Jun 22, 2026
Prize Pool
$22.5K
Hack the Tech
May 16, 2026 - Jun 22, 2026
Prize Pool
Non-cash Prize
The Mastery Mentors Hackathon
Jun 26, 2026 - Jul 3, 2026
Prize Pool
Non-cash Prize
codeLinc 11 with Lincoln Financial & AWS
Oct 3, 2026 - Oct 4, 2026
Prize Pool
$10.0K
BASK(Business Achievement Spotlight for Kids) Monthly Pitch Competition
Jul 1, 2026 - Jul 31, 2026
Prize Pool
$600
AI COMMUNICATION BRIDGE HACKATHON
Jun 26, 2026 - Jun 27, 2026
Prize Pool
Non-cash Prize
Agentic AI Innovation Challenge 2026
Jul 15, 2026 - Jul 31, 2026
Prize Pool
Non-cash Prize