Web3 and blockchain hackathons (2026)
Web3 hackathons are about building on blockchains: smart contracts, wallets, DeFi, NFTs and decentralised identity. Sponsors often run bounties on top of the main prizes.
Each listing shows the chains and tools supported, the bounties and the deadline.
Open and upcoming
Nothing is open here right now. New hackathons are added every week.
Frequently asked questions
Do I need crypto to join a Web3 hackathon?
No. You build and test on test networks with free test tokens.
Can I join without a team?
Yes. Register and tick “I don’t have a full team yet” to list your team under Find a team, or ask to join a team that is looking for members. Some hackathons also allow solo entries.