Count me in
A painted world's fair promenade, with gardens, pavilions and people coming together

Crypto World's Fair

Your idea. A world of possibility.

Build your crypto startup in the world’s largest online hackathon. Win, and join Colosseum’s accelerator with $250,000 in funding. With Superteam Nigeria Behind You.

Find your starting point
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TWO PATHS. ONE FAIR.

Where are you starting?

No perfect idea required.
Just a little curiosity and a place to begin.

THE FIRST CHAPTER

I’m starting.

New to hackathons, or still finding your idea? We’ll take it one step at a time.

Start your journeyTHE NEXT CHAPTER

I’m already building.

You have an idea, a team, or a product. Focus the build and make your submission count.

Enter the builder’s guide

Whichever path you choose, start with your people.

Participant formJoin the hackathon group

MEET. BUILD. SHIP.

Dates for your diary.

Tick an event when you’re done.
Your progress stays in this browser.

COLOSSEUM

The fair begins

Building opens. Check the official competition page for the full schedule.

Details
COLOSSEUM

Submission day

Submit your project in Arena. Confirm the exact closing time and requirements there.

Details

Nigeria workshops, community sessions, and activation dates will appear here as they’re confirmed.

Community calendar

BUILT WITH COMMUNITY

More people.
More possibility.

We’re bringing communities together for the fair—opening doors to more builders, ideas, and conversations.

Activation host

Community collaborators will be announced here.

KEEP YOUR IDEAS CLOSE

Less searching. More building.

Hot ideas, mentorship, the four-week route, and your submission checklist—all in the builder library.

Open the builder library