Rhombus is the oracle solution for your smart contract

We provide the most reliable, credible, and efficient oracle platform on the planet. Access over five trillion real-world data points, custom off-chain computing, and the best security the industry has to offer.

Endless possibilities

Insurance

Supply chain management

Finance

Prediction markets

Our customers love us

“Within a week, the Rhombus team built us an oracle with robust and secure off-chain computation.” – Mariano Conti, Head of Oracles at Maker

“Because Rhombus has thousands of curated data feeds, we can quickly test out new business verticals with real data.”- Christoph Mussenbrock, co-founder of Etherisc

Four pillars of a Rhombus oracle

Secure

Access the industry’s highest-grade security: auditing, arbitration, verifiable computation, and signatures. Don’t trust, verify.

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Dependable

Whether you call or schedule your oracle, Rhombus will reliably deliver your data. Our oracles are served with infrastructure trusted by many of the world’s leading technology companies.

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Accurate

Rhombus offers access to trillions of data primitives. No matter what your industry, we can connect you with the data you need.

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Computable

Compute custom oracles off-chain. Integrate exactly the data you need, run computations fast, and save money.

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Secure

Access the industry’s highest-grade security: auditing, arbitration, verifiable computation, and signatures. Don’t trust, verify.

Dependable

Whether you call or schedule your oracle, Rhombus will reliably deliver your data. Our oracles are served with infrastructure trusted by many of the world’s leading technology companies.

Accurate

Rhombus offers access to trillions of data primitives. No matter what your industry, we can connect you with the data you need.

Computable

Compute custom oracles off-chain. Integrate exactly the data you need, run computations fast, and save money.

What we offer

Master your data

Rhombus makes it easy to visualize, share, and publish how you generate your data. Call external data from your smart contract, push data to your contract on a set schedule, or pull data only when it changes.

Ultimate control

With off-chain data, computation, and triggers, you decide how and when your smart contract uses oracle data. Select from options for additional judgment and arbitration. Control transparency and access from end to end.

Consultation

Our experienced team will work with you directly to help you construct the oracle you need. Contact us below and we’ll be in touch.

This is our team

Doug von Kohorn

Doug von Kohorn
Co-founder and CEO

Doug received his BS in Computer Science from Yale. Before founding Rhombus, he built several companies around finance, governance, and machine learning. Most recently, he was Director of Engineering at Collective Decision Engines, a quadratic voting governance company he built with Kevin Slavin, Eric Posner, and Glen Weyl.

Jeff Rosen

Jeff Rosen
Co-founder and COO

As COO, Jeff handles Rhombus’ day-to-day operations, with no detail too small for his attention. Prior to Rhombus, Jeff was Senior Software Engineer at a variety of Bay Area startups, building secondary liquidity programs for private companies, invoice management solutions for restaurants, and injury prevention software for professional athletes. Jeff received his B.A. with distinction in Mathematics and Philosophy from Yale, where he was awarded the Benjamin F. Barge Prize in Mathematics.

Kenny Chandrasekera

Kenny Chandrasekera
Head of Business Development

Kenny’s path to Rhombus was paved by two industries: management consulting and tech. After helping Bay Area biotech firms improve performance through solutions in marketing strategy and sales force transformation, Kenny moved to software. He developed services for delivering and harnessing the power of entertainment data, a social network for highly localized civic communities, and a communications application for small businesses. Kenny earned his B.S. in Biomedical Engineering from Yale.

David Perry

David Perry
Advisor

David is an entrepreneur with two decades of experience building, selling, delivering, and supporting emerging technology products. In 2006, he founded an enterprise software company which helped numerous public and private organizations achieve quantitative improvements to the ways in which knowledge is gathered and decisions are made. Driven by the implications of the growth of blockchain technologies, David is passionate about creating economic value via decentralization, combining human and machine judgements to solve problems, fostering amicable forms of governance, and challenging the status quo via alternative institutions.

Dan von Kohorn

Dan von Kohorn
Advisor

Dan has been a founder, CEO, CTO, developer, director, and investor. He has participated in dozens of software ventures and is a lifelong fintech quant. He loves data, machine learning, decentralization, network effects, computational thinking, and the dynamism of startups. Dan founded and sold a web-based market for IP licensing, is a director of a tech merchant bank for 15 years, developed investment signals for hedge funds for 9 years, founded NEAI, Beacon Angels, and a venture fund, and restores MA native forests. He started work as an analyst at JP Morgan Investments in 1997.

Virgil Griffith

Virgil Griffith
Advisor

Virgil Griffith has a PhD in Theoretical Neurobiology from Caltech. The New York Times once dubbed him the “Internet Man of Mystery.” His Erdős and Bacon numbers are both 3.

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