Build decentralized applications, zero-knowledge proofs, DeFi protocols, and smart contracts across Ethereum, Polygon, Solana, and EVM ecosystems.
What are Web3 Hackathons? Competitions where developers build on public blockchains (Ethereum, Solana, Polygon), deploy smart contracts (Solidity, Rust), and integrate decentralized protocols with sponsor grant pools.
CodeSlayer 2.0 2k26
MST Blockchain <> Newrro <> BMSC 24-Hour Buildathon
Quant-A-Maze 3.0
The Black-Box Protocol: Stage 03 - System Convergence
Hypnexis 2026
ZeroBreach 2.0 CTF 2026
Engineers 2047
Multipli Hackathon – Build. Innovate. Compete.
Hack 2 Ignite
Quantexa
ACM Marketsphere 2026
ONE HACK: 8 Hours AI & Web3 Hackathon
NexHack 2.0
VINHACK
Forged In Fire 2026
Tejas India Hackathon 2026
Hack in Hills ’26
Build for Billions
Glimpse Trading Hackathon 2026
Hefty-Hacks