Web3 Hackathons and Competitions
Upcoming blockchain hackathons and developer competitions. Compete for prizes, build with cutting-edge protocols, and connect with the Web3 community.
zk & privacy
XION BELIEVATHON
XION
Online Nov 21, 2024 - Jan 18, 2025
other
typescript
web3.js
other
typescript
web3.js
$40.0K
$40.0KEnded
Hack Secret 2024
Secret Network
Online Feb 1, 2024 - Mar 11, 2024
other
ethereum
polygon
other
ethereum
polygon
$15.0K
$15.0KEnded
V0RTEx 01 | A Scroll Hackathon
Scroll.io
Online Apr 23, 2024 - Apr 30, 2024
other
ethereum
solidity
other
ethereum
solidity
$85.0K
$85.0KEnded
{gZKm} Provable Games Buildathon
Zypher Network
Online Jun 13, 2024 - Nov 27, 2024
other
rust
gamefi
other
rust
gamefi
$200.0K
$200.0KEnded
Calimero x ICP Hackathon
Calimero x ICP
Online Oct 10, 2024 - Feb 9, 2025
other
zk & privacy
other
zk & privacy
$40.0K
$40.0KEnded
Privacy4Web3 Hackathon: 2nd edition
Oasis Network
Online Sep 9, 2024 - Nov 3, 2024
other
ethereum
solidity
other
ethereum
solidity
$130.0K
$130.0KEnded
The Grant Factory, Hackathon Presented by Taiko
Taiko Labs
Online Sep 25, 2024 - Nov 18, 2024
other
ethereum
zksync
other
ethereum
zksync
$100.0K
$100.0KEnded
Calimero x Starknet Hackathon
Calimero x Starknet
Online Oct 31, 2024 - Jan 3, 2025
other
starknet
cairo
other
starknet
cairo
$25.0K
$25.0K306 days left
HackSecret 5
Secret Network
Online Feb 1, 2025 - Mar 1, 2025
other
ethereum
solana
other
ethereum
solana
$15.0K
$15.0KEnded
ETHBratislava Hackathon Vol.2
Ethereum Bratislava
Faculty of Informatics and Information Technologies STU, Ilkovičova 2, 842 16 Karlova Ves, Slovakia May 23, 2025 - May 24, 2025
other
ethereum
zero-knowledge proofs
other
ethereum
zero-knowledge proofs
€4.5K
€4.5KEnded
Hack The League 4: Build Beyond (COMING SOON)
Hack The League
Online Jul 31, 2025 - Oct 30, 2025
other
ethereum
polygon
other
ethereum
polygon
$2.0K
$2.0KEnded
Privacy and Verifiability Hackathon
Blockchain Student Association
École Polytechnique de Lausanne, BC Building (building of the IC faculty), 410 Mar 8, 2025 - Mar 9, 2025
other
zero-knowledge proofs
zk & privacy
other
zero-knowledge proofs
zk & privacy
$15.0K
$15.0KEnded
OKX ETHCC Hackathon
OKX
Online Jul 3, 2025 - Aug 11, 2025
other
ethereum
polygon
other
ethereum
polygon
$30.0K
$30.0KEnded
Stellar Hacks: ZK Gaming
Stellar Development Foundation
Online Feb 9, 2026 - Feb 23, 2026
other
rust
zero-knowledge proofs
other
rust
zero-knowledge proofs
XLM10.0K
XLM10.0KEnded
RE{DEFINE} HACKATHON | Starknet
Starknet Foundation
Online Feb 1, 2026 - Mar 1, 2026
bitcoin
other
ethereum
bitcoin
other
ethereum
$21.5K
$21.5KEnded