Colosseum
Compete in the world's largest online crypto hackathons on Solana
What is Colosseum? Complete Overview
Colosseum is the premier platform for elite crypto founders to compete in large-scale online hackathons on the Solana blockchain. It serves as a launchpad for innovative startups, offering winners not just funding but also access to an exclusive founder network and accelerator programs. With over 80,000 builders and 6,500 products launched, Colosseum has become a cornerstone of the Solana ecosystem, helping winners raise over $700 million collectively. The platform runs two major online hackathons annually along with the Eternal challenge, funneling top talent into accelerator cohorts. Target users include crypto developers, blockchain entrepreneurs, and Solana ecosystem builders looking to gain traction, funding, and network opportunities.
Colosseum Interface & Screenshots

Colosseum Official screenshot of the tool interface
What Can Colosseum Do? Key Features
Large-Scale Hackathons
Colosseum hosts the world's largest online hackathons specifically for the Solana ecosystem, attracting thousands of elite crypto builders. These competitive events provide a structured environment for rapid prototyping and startup validation.
Venture Funding
Select hackathon winners receive $250,000 in funding from Colosseum's venture fund, providing crucial early-stage capital to promising Solana-based projects. This funding has helped launch numerous successful crypto startups.
Founder Network
Winners gain access to Colosseum's exclusive founder network, connecting them with other top builders in the Solana ecosystem. This network facilitates collaboration, knowledge sharing, and potential partnerships.
Accelerator Program
Successful teams join Colosseum's accelerator program, receiving mentorship, resources, and support to build unstoppable momentum for their projects. The accelerator helps transform hackathon prototypes into viable businesses.
Builder Community
Colosseum maintains an active community of over 80,000 builders where participants can find cofounders, share product ideas, and collaborate in forums. This vibrant ecosystem fosters innovation and connection.
Best Colosseum Use Cases & Applications
Startup Launch
Emerging crypto founders use Colosseum hackathons as a launchpad for their startups, gaining visibility, funding, and support to transform ideas into viable businesses.
Talent Discovery
Developers looking to break into the Solana ecosystem participate to showcase their skills, connect with established projects, and potentially land roles with winning teams.
Protocol Adoption
Existing Solana projects sponsor challenges within Colosseum hackathons to drive adoption of their protocols and discover innovative use cases from the builder community.
How to Use Colosseum: Step-by-Step Guide
Sign up for a Colosseum account through their platform to gain access to hackathons and community features.
Create a detailed builder profile showcasing your skills, experience, and project interests to attract potential collaborators.
Browse the forum to find cofounders, join existing teams, or share your own product ideas for feedback and collaboration.
Register for an upcoming hackathon or the Eternal challenge when applications open, forming or joining a team.
Participate in the hackathon, developing your project within the competition timeframe and submitting before the deadline.
If selected as a winner, receive funding and join the accelerator program to further develop your project with Colosseum's support.
Colosseum Pros and Cons: Honest Review
Pros
Considerations
Is Colosseum Worth It? FAQ & Reviews
Colosseum hackathons are open to all builders interested in developing on Solana, from individual developers to established teams. Both new and experienced crypto entrepreneurs are welcome.
Colosseum runs two major online hackathons per year plus the ongoing Eternal challenge, with winners funneling into two accelerator cohorts annually.
Projects are judged based on innovation, technical implementation, potential impact on the Solana ecosystem, and overall viability as a startup.
Participation in Colosseum hackathons is completely free. The platform makes money by taking equity in winning projects through its venture fund.
Yes, all Colosseum hackathons are conducted online, allowing global participation from builders anywhere in the world.