Web3 Hackathons and Competitions
Upcoming blockchain hackathons and developer competitions. Compete for prizes, build with cutting-edge protocols, and connect with the Web3 community.
arbitrum
Hack with YO: Designing Smart DeFi Savings
YO Labs
Online Feb 26, 2026 - Mar 19, 2026
other
ethereum
solana
other
ethereum
solana
$3.0K
$3.0K15 days left
HubaThon StartUp Competition
Crypto Hub
Online Feb 1, 2024 - Mar 31, 2024
other
ethereum
polygon
other
ethereum
polygon
$1.0K
$1.0KEnded
BIH x Arbitrum Bootcamp 2023-2024 Hackathon
Blockchain Innovation Hub
Online Mar 1, 2024 - Mar 24, 2024
other
arbitrum
solidity
other
arbitrum
solidity
$3.0K
$3.0KEnded
FrameHack 2024
FrameTrain
Online Jun 7, 2024 - Jun 17, 2024
other
ethereum
solana
other
ethereum
solana
$10.0K
$10.0KEnded
Women in Web3 Hackathon
Vottun
Online Oct 1, 2024 - Nov 4, 2024
other
arbitrum
nft development
other
arbitrum
nft development
$50.0K
$50.0KEnded
EDU Chain Hackathon: Semester 1
Open Campus
Online Jul 15, 2024 - Aug 31, 2024
other
arbitrum
defi
other
arbitrum
defi
$200.0K
$200.0KEnded
Seedify AI JAM
Seedify
Online Jul 11, 2024 - Jul 31, 2024
other
ethereum
solana
other
ethereum
solana
$500.0K
$500.0KEnded
Equito Builder Program - Interoperability Summer
Equito Network
Online Aug 11, 2024 - Sep 22, 2024
other
ethereum
arbitrum
other
ethereum
arbitrum
$150.0K
$150.0KEnded
Open Web Hackathon
Dapps over apps
Online Aug 24, 2024 - Oct 10, 2024
other
ethereum
arbitrum
other
ethereum
arbitrum
$2.0K
$2.0KEnded
ETH RWANDA GENESIS
ETH Rwanda
Maker Studio, Mundi center, 23JP+5RG, Kigali Oct 24, 2024 - Oct 27, 2024
other
ethereum
arbitrum
other
ethereum
arbitrum
$1.0K
$1.0KEnded
Arbitrum Stylus Hackathon
ETHBucharest
Nord Events, Bulevardul Dimitrie Pompeiu 4-6, București, Romania Nov 2, 2024 - Nov 3, 2024
other
arbitrum
rust
other
arbitrum
rust
$2.0K
$2.0K244 days left
ETHBucharest 2025
ETHBucharest
National Library of Romania, Bulevardul Unirii 22, București 030823, Romania Apr 3, 2025 - Apr 5, 2025
other
ethereum
arbitrum
other
ethereum
arbitrum
$40.9K
$40.9KEnded
Arbitrum Creative Hub Hackathon
Creatives Onchain
Online Jan 28, 2025 - Mar 10, 2025
other
arbitrum
other
arbitrum
$3.0K
$3.0KEnded
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
Build & Brew - Espresso Global Hackathon
Espresso
Online Feb 20, 2025 - Apr 2, 2025
other
ethereum
arbitrum
other
ethereum
arbitrum
$100.0K
$100.0K27 days left
Circle Developer Bounties - Group 1
Circle
Online Jun 1, 2025 - Sep 1, 2025
other
ethereum
arbitrum
other
ethereum
arbitrum
$20.0K
$20.0KEnded
OKX ETHCC Hackathon
OKX
Online Jul 3, 2025 - Aug 11, 2025
other
ethereum
polygon
other
ethereum
polygon
$30.0K
$30.0KEnded
Ethereum Mexico 2025
Ethereum Mexico
Museo Metropolitano de Moneterrey, Ignacio Zaragoza, Corregidora &, Centro, 64720 Monterrey, N.L. Oct 31, 2025 - Nov 2, 2025
other
ethereum
arbitrum
other
ethereum
arbitrum
$15.0K
$15.0KEnded
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
Kwala Hacker House: Next-Generation Web3 Gaming & NFT Innovation
Kwala Network
Online Sep 6, 2025 - Nov 7, 2025
other
ethereum
polygon
other
ethereum
polygon
$1.5K
$1.5KEnded