Trusted By
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Our Vision

We design, develop, and manage next-generation projects in the Polkadot ecosystem.

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Smart contracts
Ecosystem
Infrastructure
Research & Innovation
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Our Mission

We build projects with Web3 principles in mind.

We develop projects for high-impact needs, with Web3 principles at the core.

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Secure

Fusion3 develops projects on the Polkadot ecosystem using robust, secure, and future-proof blockchain principles.

Reliable

Our processes ensure consistent results, from concept to deployment, for every project we manage.

Innovative

We use the latest technologies, including Agile Coretime, JAM, and Proof of Personhood (PoP), to deliver meaningful solutions.

How We Work

Journey Behind Every Project

Discovery

We start by identifying strong demand.

Through research and dialogue, we uncover opportunities and define the foundation of a project when we see strong demand.

We start by identifying strong demand.

Strategy

We design a clear roadmap aligned with the vision of Web3.

Every step is planned to ensure focus, efficiency, and alignment with project's long-term goals.

We design a clear roadmap aligned with the vision of Web3.

Build

Our team develops robust solutions, delivering high-quality end-to-end projects.

We transform strategies into tangible projects, built with precision and tested for reliability.

Our team develops robust solutions, delivering high-quality end-to-end projects.

Scale

We optimize and expand projects to achieve sustainable growth.

Continuous improvement and integration ensure that each solution evolves over time.

We optimize and expand projects to achieve sustainable growth.
Portfolio

Turning Ideas into Reality

Each project we work on is designed to push the boundaries of what’s possible in the Web3 space. Explore our projects to see how we turn ideas into reality.

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RegionX provides essential infrastructure for Polkadot’s Agile Coretime model, serving as the primary application for interaction and the only secondary marketplace for Coretime

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A project that provides a typed interface for generating XCM messages from Solidity smart contracts, enabling seamless interoperability.

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Founders

Meet the Founders Driving Fusion3 Forward

Guided by vision and hands-on experience, Fusion3’s founders bring complementary skills that bridge blockchain innovation with real-world application.

Sergej Sakac
CEO & Development Lead
Sergej Sakac

Sergej is the founder of the RegionX project. He is a member of the Polkadot Fellowship and has been an external core contributor to Substrate and Polkadot for over three years. Sergej is also an engineering alumnus of the Polkadot Blockchain Academy (PBA) at UC Berkeley.

Sergej N. Sakac
COO
Sergej N. Sakac

Sergej N. Sakac is an engineer with a master's degree and over 20 years of experience in organizational roles within the IT and engineering industries. He is responsible for the operational functions of Fusion3's projects.