Cascading
disruption
disruption
Input Output is the world's leading blockchain research and engineering company
Engineered for real-life application
Turning ideas into lasting ventures
The Venture Studio supports founders at every stage, from idea to spinout, with research, governance, incentives, and systems design. Whether you are building new infrastructure, an application, or a service, our goal is to help you launch with clarity, discipline, and long-term viability.
Ecosystems
Our ventures are not isolated products. Each is part of a cohesive ecosystem, connected through shared infrastructure, research, and governance. Together, they form the building blocks of a decentralized future.
Products
Input Output provides the science-first platforms and tooling – from robust wallets to advanced programming languages – that enable teams to successfully build and scale for the future.
Lace
Light wallet platform
Bitcoin DeFi
Bitcoin-Cardano bridge
RealFi
Finance platform (DeFi)
Catalyst
Project voting & funding
Identus
Decentralized identity
Djed
Stablecoin
Blockfrost
Cardano API platform
Quantum Hosky
4D gamescape/partner chain
A new blueprint for Web3
The greatest challenge isn’t only technical design, it’s architecting human coordination at scale. We are rebuilding the fundamental systems of human collaboration, economics, and value creation from first principles.
Tamara Haasen, PresidentWhere others see broken systems, we see opportunity.
We are rethinking how the world connects, transacts, and collaborates. Built on strong science and rigorous engineering, we create technologies that restore trust, and design systems meant to last.
Research
Input Output Research is our dedicated R&D division, pioneering foundational and applied research in cryptography, distributed systems, and formal methods. For more than a decade, our scientists and collaborators have pushed the boundaries of cryptography, consensus, and decentralized governance.
Input Output is rooted in academic rigor and peer-reviewed research.
Read the latest work shaping the future of blockchain, artificial intelligence, and other frontier technologies.
Explore ideas in motion through talks, lectures, and interviews.
At Input Output, we don't just support ventures. We open doors.
600+ people
50+ countries
At Input Output, we are united by curiosity and purpose. Wherever we are, we collaborate to build systems that empower individuals and strengthen communities worldwide.
