Web3 Hackathons and Competitions
Upcoming blockchain hackathons and developer competitions. Compete for prizes, build with cutting-edge protocols, and connect with the Web3 community.
smart contract auditing
HubaThon StartUp Competition
Crypto Hub
Online Feb 1, 2024 - Mar 31, 2024
other
ethereum
polygon
other
ethereum
polygon
$1.0K
$1.0KEnded
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
Core Nexus
Web3Spell
JLU College Bhopal, Only for offline participants Apr 18, 2025 - Apr 20, 2025
other
ethereum
arbitrum
other
ethereum
arbitrum
$10.0K
$10.0KEnded
Aleph Hackathon 25'
Aleph Hackathon
Online Mar 21, 2025 - Mar 23, 2025
other
polkadot
zksync
other
polkadot
zksync
$44.0K
$44.0KEnded
Sonic Summit Jailbreak Hackathon
Sonic Labs
Online May 6, 2025 - May 8, 2025
other
ethereum
solidity
other
ethereum
solidity
$15.0K
$15.0KEnded
BCH Blaze 2025
BCH Blaze
Online Sep 1, 2025 - Nov 23, 2025
bitcoin
other
ethereum
bitcoin
other
ethereum
BCH10.0K
BCH10.0KEnded
BUIDL with REACT: Fast-track to mainnet
Reactive Network
Online Sep 1, 2025 - Sep 30, 2025
other
ethereum
arbitrum
other
ethereum
arbitrum
$50.0K
$50.0KEnded
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
The Self-Driving Yield Engine Composable Yield Infrastructure for the Next Generation of DeFi
Riquid
Online Jan 31, 2026 - Feb 28, 2026
other
bnb chain
solidity
other
bnb chain
solidity
$75.0K
$75.0KEnded