Online Web3 Hackathons
Participate from anywhere in the world. Browse online Web3 and blockchain hackathons, compete for prizes, and build innovative projects.
View all with full filters →
Status: EndedHedera Africa Hackathon
May 26, 2025 - Oct 31, 2025
Prize Pool
$1.0M
Status: EndedCalimero x Starknet Hackathon
Oct 31, 2024 - Jan 3, 2025
Prize Pool
$25.0K
Status: EndedPolkadot Vietnam Hackathon 2025
Dec 10, 2024 - Jan 9, 2025
Prize Pool
$10.0K
Status: EndedBananaHack At Zo
May 1, 2025 - May 31, 2025
Prize Pool
Non-cash Prize
Status: EndedAleph de Verano Hackathon
Dec 12, 2024 - Dec 15, 2024
Prize Pool
$70.0K
Status: EndedInnovate on Creator Network #Creathon
Jan 19, 2025 - Feb 24, 2025
Prize Pool
$1.3K
Status: EndedWinter Wallet Hackathon
Jan 15, 2025 - Feb 1, 2025
Prize Pool
Non-cash Prize
Status: EndedDeSci Mania at Zo
Jan 15, 2025 - Mar 15, 2025
Prize Pool
$10.0K
Status: EndedbitsCrunch Hackathon: Unlocking the Future with Web3 Data
Dec 20, 2024 - Feb 1, 2025
Prize Pool
$10.0K
Status: EndedScribble DAO Writeathon
Dec 18, 2024 - Jan 5, 2025
Prize Pool
$100
Status: EndedIAMAI Hackathon
Feb 15, 2025 - Apr 15, 2025
Prize Pool
ICP1.8K
Status: EndedWallet Risk Scoring on Base
Dec 22, 2024 - Feb 6, 2025
Prize Pool
$7.0K
Status: EndedToken Recommendation on Base
Dec 26, 2024 - Feb 13, 2025
Prize Pool
$7.0K
Status: EndedZo House Hackathon
Jan 2, 2025 - Jan 2, 2026
Prize Pool
$4.1K
Status: EndedTON Global BTCFi Hackathon
Dec 27, 2024 - Jul 15, 2025
Prize Pool
$1.0M
Status: EndedNaija HackAtom
Dec 31, 2024 - Mar 19, 2025
Prize Pool
$10.0K
Status: EndedLXDAO Casual Hackathon：AI 开发工具
Jan 3, 2025 - Jan 5, 2025
Prize Pool
Non-cash Prize
Status: EndedAncient8 Builder Jam
Dec 27, 2024 - Jan 5, 2025
Prize Pool
$400.0K
Status: EndedThe Gated NFTs World Cup
Jan 11, 2025 - Aug 16, 2025
Prize Pool
Non-cash Prize
Status: EndedSonic DeFAI Hackathon
Jan 21, 2025 - Mar 10, 2025
Prize Pool
$295.0K