ethereum Hackathons
Discover ethereum hackathons in Web3 and blockchain.
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Status: EndedEthNile Kampala
Oct 5, 2025 - Oct 23, 2025
Prize Pool
$2.0K
Status: EndedCortensor Hackathon #3
Nov 22, 2025 - Dec 28, 2025
Prize Pool
$3.0K
Status: EndedDCL Regenesis Labs Vibe Coding Hackathon
Oct 10, 2025 - Oct 29, 2025
Prize Pool
$7.5K
Status: EndedETHSafari Hackathon 2025
Oct 14, 2025 - Nov 14, 2025
Prize Pool
$4.0K
Status: EndedRoad to Buenos Aires
Oct 14, 2025 - Oct 29, 2025
Prize Pool
$15.0K
Status: EndedSomnia Data Streams Mini Hackathon
Nov 4, 2025 - Nov 29, 2025
Prize Pool
$3.0K
Status: EndedDeSci Tools Buildathon
Nov 17, 2025 - Nov 22, 2025
Prize Pool
Non-cash Prize
Status: EndedGenLayer Nov 2025 Hackathon
Nov 8, 2025 - Nov 11, 2025
Prize Pool
$500
Status: EndedRoad to Haulout : Walrus Buildathon
Nov 7, 2025 - Nov 9, 2025
Prize Pool
$800
Status: EndedReactive Bounties 2.0
Nov 16, 2025 - Jan 5, 2026
Prize Pool
REA6.0K
Status: EndedCronos x402 Paytech Hackathon
Nov 27, 2025 - Jan 23, 2026
Prize Pool
$42.0K
Status: EndedFortify Labs Web3 Startup Studio by TZ APAC | Application Round | Tezos
Jan 13, 2026 - Feb 15, 2026
Prize Pool
$175.0K
Status: EndedCortensor Hackathon #4
Jan 19, 2026 - Feb 28, 2026
Prize Pool
COR3.0K
Status: EndedLiquify Indexer API Hackathon: $100,000 Total Prize Pool
Jan 21, 2026 - Jun 14, 2026
Prize Pool
$15.0K
Status: Active48 Weeks. 48 Blockchains.
Feb 1, 2026 - Dec 31, 2026
Prize Pool
$10.0K
Status: EndedMidl VibeHack: Build & Share $3,000 in Rewards / Sponsored by Xverse
Feb 9, 2026 - Feb 24, 2026
Prize Pool
$3.0K
Status: EndedRE{DEFINE} HACKATHON | Starknet
Feb 1, 2026 - Mar 1, 2026
Prize Pool
$21.5K
xStocks Hackathon EthCC: Market Open
Mar 31, 2026 - Apr 2, 2026
Prize Pool
$75.0K
Status: ActiveBLI Legal Tech Hackathon 2
Feb 27, 2026 - Nov 1, 2026
Prize Pool
$50.0K
Status: EndedSomnia Reactivity Mini Hackathon
Feb 24, 2026 - Mar 20, 2026
Prize Pool
$3.0K