Hackathons
Web3 Hackathons Aggregator
Discover upcoming hackathons from ETHGlobal, Solana, Polkadot, Base, and more. We automatically match hackathons to Ideas in our hub to help you find the perfect event.
24
Total Hackathons
$6.2M
Total Prize Pool
6
Active Now
156
Matched Ideas
ETHGlobal San Francisco
UpcomingThe flagship ETHGlobal hackathon focused on Ethereum infrastructure, DeFi innovation, and cutting-edge smart contract development.
Organized by ETHGlobal
Prize Pool
$500,000
Solana Summer Camp Hackathon
UpcomingMonth-long online hackathon for Solana builders. Build anything from DeFi to NFTs to Gaming on the fastest blockchain.
Organized by Solana Foundation
Prize Pool
$1,000,000
Base Buildathon
UpcomingTwo-week virtual hackathon for builders creating consumer-facing applications on Base. Focus on onchain apps for everyday users.
Organized by Coinbase
Prize Pool
$250,000
Polkadot Hackathon Global
OngoingRolling hackathon for Polkadot parachain and cross-chain application development. Submit anytime, judged quarterly.
Organized by Web3 Foundation
Prize Pool
$400,000
Polygon zkEVM Hacker House
UpcomingWeek-long hacker house focused on zkEVM applications. Build privacy-preserving dApps with full EVM compatibility.
Organized by Polygon Labs
Prize Pool
$150,000
AI x Crypto Hackathon
UpcomingExplore the intersection of AI and blockchain. Build AI agents, decentralized ML models, or crypto-powered AI applications.
Organized by HuggingFace & a16z
Prize Pool
$300,000
AI AgentsDecentralized MLData PrivacyAI Safety
Dates
July 15-22, 2025
Location
🌐Online
Participants
4000+
Registration Ends
July 1, 2025
Judges Will Evaluate:
- AI Innovation
- Blockchain Integration
- Ethical Considerations
- Technical Execution
Sponsors:
a16zHuggingFaceOpenAIAnthropic