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Companies / Rosentica: One Arena

Rosentica: One Arena

San Francisco, United States

The company powers a crypto hackathon and accelerator platform

Fintech

Rosentica: One Arena, based in San Francisco, United States, has 1 investor on file, among them Colosseum. Its site was last checked 7 Nov 2026: site answers.

Rosentica: One Arena is an investor. It is listed here because another investor shows it on a portfolio page. See Colosseum's portfolio

colosseum.com
The homepage of Rosentica: One Arena

Investors

1 investor on file
InvestorEvidenceType
ColosseumPortfolio pageAccelerator

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39 companies on its checked portfolio

Its portfolio leans to Fintech (45%), AI & Machine Learning (9%), E-commerce & Marketplaces (9%).

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See Colosseum's full profile · Who invests alongside it

A company is shown only after its own site answers and carries its name. Sites are checked again on a schedule, because domains lapse and get bought. Round stages and dates come from Fundup AI; investor links come from portfolio pages and rounds; other facts name their source when you point at them. How we grade the data

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VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/companies/colosseum.com/investors

# also
GET /v1/companies/colosseum.com
GET /v1/companies/colosseum.com/news
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