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.
Next Horizon 2026
Quant-A-Maze 3.0
HerHack
Hacknova'27 2.0
Sphinx 26
MST Blockchain Buildathon | From Idea to MVP
INDIA GOT SPOT 1.0
Kritical Hacks 2026
NexHack 2.0
Code Yudh - Battle of Codes
Hack-O-Relay 6.0 - This Time It's Latent
CodeOdyssey '26
Hack The Circle
Hefty-Hacks
Hack Era 2.0
Build With Bharat 5.0
HACKER HOUSE GOA 2026
TUM Blockchain & AI Hackathon
ETHChiangmai & Longevity Hackathon 2026