Web3 Hackathons and Competitions
Upcoming blockchain hackathons and developer competitions. Compete for prizes, build with cutting-edge protocols, and connect with the Web3 community.
bug bounty
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
AImpact Solana AI App Challange
OSTOLEX
Online May 26, 2025 - Jun 15, 2025
other
solana
bug bounty
other
solana
bug bounty
$2.0K
$2.0KEnded
Verified Wallet Bug Bounty
Verified Network
Online Dec 12, 2025 - Jan 14, 2026
other
base
typescript
other
base
typescript
$5.0K
$5.0KEnded