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.
Colosseum has announced the Crypto World's Fair, an online hackathon for builders and founders across blockchain ecosystems. It is the first Colosseum competition that accepts submissions from outside Solana.
Colosseum says the event offers hundreds of thousands in prizes and millions in venture funding. Prize tracks are organized around a selected group of blockchain ecosystems, each with its own prize pool. There is also a general prize pool for the best products across all chains. The landing page shows Solana, Ethereum, Hyperliquid, Base, Tempo, Arbitrum, Zcash and Robinhood Chain as participating ecosystems.
Registration opens on September 14, 2026 and submissions are due on October 12, 2026. Participants register through the Colosseum website.
The full list of judges, prize tracks, sponsors and developer resources is due to be published on September 14. Colosseum states that its accelerator and venture fund will continue to invest in Solana founders.