Funding for web3
3 open grants, hackathons, bounties and fellowships for web3, each checked against the organizer's official page.
Hackathon
Open
Arbitrum Open House Singapore Online Buildathon 2026
Arbitrum runs a three week online buildathon with $115,000 in prizes and grants. Registration on HackQuest closes on October 2, 2026, submissions on October 4.
Amount$115,000 in prizes and grants
Deadline2 Oct 2026
ByArbitrum Foundation
Hackathon
Opens 14 Sep
Colosseum Crypto World's Fair Hackathon
Colosseum opens its first online hackathon for builders from all blockchain ecosystems, with prize tracks per ecosystem and a general prize pool. It runs from September 14 to October 12, 2026.
AmountHundreds of thousands in prizes and millions in venture funding
Deadline12 Oct 2026
ByColosseum
Hackathon
Open
Decentralize AI Hackathon by HackerNoon
A $51,750+ prize pool and $35,000 in compute credits for developers building open AI infrastructure. The second round of entries ends on February 27, 2027.
Amount$51,750+ total prize pool plus $35,000 in AI compute credits for participants
Deadline27 Feb 2027
ByHackerNoon