Web3 Hackathons and Competitions
Upcoming blockchain hackathons and developer competitions. Compete for prizes, build with cutting-edge protocols, and connect with the Web3 community.
security & audit
HACKSECURE'26
ISEA
National Institute of Technology, Hamirpur, NIT, Hamirpur, Himachal Pradesh, India Mar 10, 2026 - Mar 11, 2026
other
security & audit
public goods & impact
other
security & audit
public goods & impact
₹100.0K
₹100.0K7 days left
ECLIPSE
ISEA (www.isea.gov.in)
JSS Academy Of Technical Education, JSS Campus Road, Srinivaspura, Bengaluru, Karnataka, India Mar 13, 2026 - Mar 14, 2026
other
security & audit
other
security & audit
Non-cash Prize
Non-cash Prize10 days left
Aegis SandBox v2.0
Aegis SandBox v2.0
Dayananda Sagar College of Engineering, 91st Main Road, 1st Stage, Kumaraswamy Layout, Bengaluru, Karnataka, India Mar 7, 2026 - Mar 8, 2026
other
bug bounty
penetration testing
other
bug bounty
penetration testing
Non-cash Prize
Non-cash Prize4 days left
Venn Network: Wallet Security Hackathon
Venn
Online Mar 18, 2025 - Apr 9, 2025
other
ethereum
smart contract auditing
other
ethereum
smart contract auditing
$6.0K
$6.0KEnded
Sonic Summit Jailbreak Hackathon
Sonic Labs
Online May 6, 2025 - May 8, 2025
other
ethereum
solidity
other
ethereum
solidity
$15.0K
$15.0KEnded
Halloween ChaincKathon 2025
The Chaincademy
Online Oct 25, 2025 - Oct 27, 2025
other
smart contract auditing
supply chain
other
smart contract auditing
supply chain
$150
$150Ended
Verified Wallet Bug Bounty
Verified Network
Online Dec 12, 2025 - Jan 14, 2026
other
base
typescript
other
base
typescript
$5.0K
$5.0KEnded