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Events

Blog

Founding Year

Years in business

Sustainable growth

Talented Squad

Inventor of Stereum

2 fields of business

Various awards

Strong partnerships

100% self-funded

Independent

Certified

Own data center

By bundling the further development of Stereum and the software as a service offering StereumPlus in the legally independent Stereum Services FlexCo, the course has been set for further growth. In addition to IT infrastructure, RockLogic will concentrate on node operation for large institutional customers, and we are already working intensively on other business areas in the field of blockchain - a technology with a cornucopia of possibilities that offer a great future.

The Future

After several years of experience in large companies, it was time for Stefan Kobrc to combine his profound IT knowledge into his own company, and so in 2012 he founded RockLogic GmbH with like-minded people. Infrastructure maintenance - still a key pillar of RockLogic today as IT Infrastructure - as well as the creation of websites and IT project consulting were a solid business model that provided the basis for what was to come.

Foundation

Driven by the desire to develop a saleable product or service, the open source software Stereum was created, which, through its graphical user interface (GUI), opened Ethereum up to a wider group of users and thus promotes one of the essential basic principles of blockchain: decentralization. The success of Stereum was overwhelming. From 2020, this node setup client software developed into a highly popular tool in the Ethereum community, which brought RockLogic an excellent international reputation and many valuable partnerships.

Stereum as a Growth Engine

The new and exciting technology "blockchain", first made known by Bitcoin, promised to become a fascinating challenge from 2015 with the introduction of Ethereum. Stefan Kobrc began developing a Docker Composer, the forerunner of Stereum, to make Ethereum's service offering easier to use.

Blockchain

In the years from 2020 to 2024, the company grew from a small business to a medium-sized IT service provider with over 25 employees, and the next stage of development was launched: the founding of Stereum Services FlexCo, in which StereumPlus, an outstanding service model for the operation of Ethereum network nodes, was created and put into operation October 2024.

Continuing Success

Company Facts

Company History

Learn about our company, history, mission and future plans

About Us

Our unique atmosphere and why you should work with us

Join Us

The secrets behind our rapid development are the great team, the working conditions and the leadership style of the company founder Stefan Kobrc.

Key Success Factors

Working with RockLogic is flexible in terms of time and location. With collaboration characterized by mutual respect and trust, everyone can choose their own working conditions.

Working Time Model

“I don't believe in hierarchies. Only satisfied employees ensure long-term success, and that means: everyone knows what needs to be done, everyone in the team looks for the tasks that suit them best. This goes hand in hand with transparency, open communication and collaborative, relaxed coordination.”

Says Stefan:

Sharing is learning - not only within our company. We are keen on spreading our expertise with the Ethereum community: In addition to specialist presentations at trade fairs and universities, we organize our popular “Become a Node Runner!” workshops, together with our sister company Stereum Services.

Sharing Knowledge

This department focuses on building and maintaining the server-side logic and infrastructure, ensuring secure, scalable, and efficient functionality for our applications.

Development Backend

Responsible for creating intuitive, user-friendly interfaces, this team crafts the visual aspects of our applications, ensuring seamless interactions for our users.

Development Frontend

This team builds strong client relationships, managing project scopes and communications to ensure client needs are met and expectations are exceeded.

Account Management

This department collects, processes, and interprets data to provide actionable insights, supporting data-driven decisions across the company.

Data Analysis

Focused on promoting our brand and services, this team develops strategies to attract, engage, and retain clients through targeted campaigns and branding efforts.

Marketing

Ever wondered where our fancy Stereum artwork comes from? We have our own in-house graphic designer doing that, plus a team that supports him in adapting his work for various media.

Design

HR recruits and supports our talent, fostering a positive work environment, managing employee relations, and overseeing company policies. And paying our salaries.

Human Resources

This department handles financial management, ensuring accurate record-keeping, budget monitoring, and compliance with financial regulations.

Accounting

Corporate Culture

Although we at RockLogic, and at Stereum Services as well, understand ourselves as one great team working together, we still have organized ourselves within various specialized departments. So, if you want to join us and don’t see a vacancy that exactly fits your talents, you might want to apply directly to work within a certain department.

Departments

Get to know the people behind the magic and our departments

Our Team

RockLogic is an enthusiastic, multi-national team of IT experts based in Austria. We provide IT infrastructure, software development and blockchain services - and we evolve constantly to stay ahead in the industry.
Our solutions include full-stack development, DevOps and mobile applications, targeting industries like blockchain and banking. Our services comprise network design, cloud solutions, cybersecurity, node operation on Ethereum, …

Our Company

Connect with us today and take your first step towards improving your business technology!

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RockLogic was founded in 2012 by Stefan Kobrc and offers IT infrastructure, individual software development and blockchain services.
With in-depth blockchain expertise, we have developed Stereum, a proven software tool that simplifies the setup and operation of an Ethereum node. Based on our success and an exceptional corporate culture, we have grown sustainably since 2020. In summer 2024 we outsourced the development of Stereum and related services into a company of its own.
RockLogic focuses on infrastructure and cloud services in the realm of node operation and offers node operation on Ethereum both ourselves and with strong partners.

RockLogic has been providing IT infrastructure, software development and blockchain services since 2012. Our experts develop customized solutions for our partners and for node operation on Ethereum.

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Boilerplate Short

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RockLogic In Two Sentences

RockLogic was founded in 2012 by Stefan Kobrc and has been providing IT infrastructure for customers from industry, trade and finance ever since. Our experts develop tailor-made technology solutions whose quality our customers and partners benefit from every day for their own companies.
With in-depth expertise in the world of blockchains, we have developed Stereum, a now highly proven software tool with an intuitive user interface that simplifies the setup and operation of an Ethereum blockchain node.
With Stereum, we offer node operation on Ethereum as a comprehensive service both ourselves and with renowned partners. Since 2023, we have been working on smart contract development, programs that also run on the blockchain and with which contracts can be automated.

Our Business Areas

We have become particularly successful in the growth sector of blockchain with our open source software Stereum and outstanding customer service. In the summer of 2024, we therefore founded Stereum Services FlexCo, a sister company of RockLogic, to which key activities of Stereum have been outsourced.
This synergy will enable RockLogic to concentrate on infrastructure and cloud services in the realm of node operation, in addition to its existing core business. Stereum Services FlexCo is developing StereumPlus, a new, flexible and comprehensive service model for the Ethereum community.

Successes and Outlook

The key success factors behind this rapid development are the great team, the working conditions and the leadership style of the company founder Stefan Kobrc. “I don't believe in hierarchies. Only satisfied employees ensure long-term success, and that means: everyone knows what needs to be done, everyone in the team looks for the tasks that suit them best. This goes hand in hand with transparency, open communication and collaborative, relaxed coordination.“
With a working time model that is flexible in terms of time and location and collaboration characterized by mutual respect and trust, an extraordinary corporate culture has emerged that is exemplary.

Company Description

Downloads

„Eine Blockchain ist eine kontinuierlich erweiterbare Liste von Datensätzen in einzelnen Blöcken. Neue Blöcke werden nach einem Konsensverfahren erstellt und mittels kryptographischer Verfahren an eine bestehende Kette angehängt. Jeder Block enthält dabei typischerweise einen kryptographisch sicheren Hash (Streuwert) des vorhergehenden Blocks, einen Zeitstempel und Transaktionsdaten.
Eine Blockchain ist ein Beispiel einer Distributed-Ledger-Technologie (dezentral geführte Kontobuchtechnologie) oder DLT und ähnelt in der Funktionsweise dem Journal der Buchführung. Die Blockchain wird auch als „Internet der Werte“ (Internet of Values) bezeichnet und legt die technische Basis für Kryptowährungen wie z.B. Bitcoin.“
(Quelle: wikipedia)

Definition

Ethereum ist die größte Smart Contract-Blockchain der Welt, ein dezentralisiertes, erlaubnisloses Netzwerk. Neben Überweisungen der eigenen Währung (Ether, ETH), bietet Ethereum das Ausführen von automatisierten Verträgen (Smart Contracts). Diese ermöglichen die Erstellung von sog. Decentralized Applications, zu deren Anwendungen zB. ein dezentrales Finanzwesen gehört. Alle Teilnehmer nutzen mit Ethereum eine gemeinsame Datenbasis.
Dabei gibt es 2 Hürden: Bisher brauchte man profunde IT-Kenntnisse, um sich überhaupt auszukennen, und ein gewisses Einstiegskapital, wenn man selbst einen Node betreiben wollte.

Die Blockchain Ethereum

Wir wollen mit unserer Software Stereum allen Menschen ermöglichen, an der Blockchain Ethereum teilzunehmen und deren umfangreiche Funktionalitäten zu nutzen - auch ohne tiefgehende IT-Programmierkenntnisse.
Und wir bieten jenen, die teilnehmen, aber keinen Netzwerkknoten auf eigener Hardware betreiben wollen, diesen Betrieb als Service an - unsere Serviceleistung Node Operation.

Unsere Mission…

Dabei kooperieren wir auch mit unserem größten Kunden: Lido, selbst ein großer Pool Node Operator auf Ethereum. Für Lido fügen wir Stereum eigene Funktionen hinzu und betreiben Nodes für deren Pool.

… für gemeinsamen Erfolg

Die Kombination von eigener Software und Node Operation als Dienstleistung macht RockLogic zu einem Vorreiter in Österreich - wir sind 2025, noch, die einzigen Österreicher, die das können.

Einzigartig in Österreich

Blockchain ist, gemeinsam mit KI, einer der größten Wachstumsbereiche unserer Zeit. Grundprinzip ist eine denzentralisierte, für alle Menschen zugängliche Technologie, mit der verschlüsselt Verträge abgeschlossen, Kryptowährungen ausgetauscht und noch viele andere interessante Dinge gemacht werden können - der Fantasie sind hier keine Grenzen gesetzt!

RockLogic provides end-to-end data center setup services, from planning and design to deployment. We assess client requirements and build data center environments that are secure, scalable, and optimized for efficiency. Our services include implementing redundancy and security measures to protect data and maintain business continuity.

Setup (Server Provisioning)

For businesses that need to move or consolidate their IT resources, RockLogic offers data center migration services. We manage the entire process, ensuring minimal disruption by carefully planning the migration of physical servers, virtual machines, storage devices, and network infrastructure. Our approach ensures that data integrity is maintained and downtime is kept to a minimum.

Migration

RockLogic also provides ongoing maintenance services for data centers, including performance monitoring, software updates, and backup management. We ensure that all components are running optimally and that the data center environment meets the latest standards for performance and security.

Maintenance

RockLogic’s consulting services guide clients in selecting the best hardware solutions to meet their performance, cost, and scalability requirements. We assess existing infrastructure, recommend the most suitable servers, storage, networking equipment, and backup solutions, and design an architecture that supports current and future workloads.

Hardware Consulting

Our procurement team works with trusted vendors to acquire the right hardware for clients, considering compatibility, warranties, and support options. RockLogic manages the entire procurement process, ensuring that businesses receive the equipment they need promptly and at competitive prices.

Procurement Services

RockLogic’s installation services include setting up hardware within the client’s IT environment, whether it’s in a data center or office location. We handle the physical installation of servers, storage systems, networking devices, and other equipment. Our team ensures that the installation is optimized for performance, with proper configurations for power, cooling, and connectivity.

Hardware Installation

With MikroTik-certified experts, RockLogic delivers tailored networking solutions using MikroTik devices. Our services include configuring routers, switches, and wireless systems to optimize network performance. We also implement advanced network features such as bandwidth management, VPN setup, and firewall rules to secure and enhance communication across business locations.

MikroTik Network Configuration (certified)

RockLogic partners with Fortinet to offer comprehensive network security solutions, ensuring clients are protected from evolving cyber threats. We deploy and manage FortiGate firewalls and other Fortinet products, providing deep packet inspection, intrusion prevention, and secure access management. Our Fortinet Secure SD-WAN services help clients manage network traffic across distributed locations while maintaining a high level of security.

Fortinet Network Security Solutions

MikroTik is a manufacturer of router software and equipment that offers the most user-friendly and flexible operator-level traffic routing and network management solutions.

MikroTik

Fortinet is a driving force in cybersecurity innovation and the convergence of networking and security. Their enterprise-grade portfolio is the most comprehensive and integrated offering on the market.

Fortinet

Our VMWare-based virtualization solutions deliver reliable and scalable infrastructure services.

VCSA Implementation and Management:
We implement and manage VMWare vCenter Server Appliance (VCSA), a critical tool for managing VMWare vSphere environments. Our team ensures the seamless deployment and configuration of VCSA, allowing clients to efficiently oversee their virtualized environments.

VMWare Virtualization

RockLogic provides comprehensive Veeam backup and disaster recovery solutions, ensuring data protection across virtualized environments. We configure Veeam to support incremental backups, data deduplication, and instant recovery features, minimizing downtime and safeguarding critical business information. Our cloud integration options further extend these capabilities to support hybrid environments.

Veeam Backup and Recovery Services

We offer Hyper Converged Infrastructure solutions to simplify the management of IT resources by integrating compute, storage, and networking into a single, software-defined system. RockLogic works with
leading HCI platforms like VMWare vSAN, Nutanix, and Microsoft Azure Stack HCI to help clients deploy streamlined, scalable, and automated infrastructure.

Hyper Converged Infrastructure (HCI)

RockLogic ensures that clients achieve high availability for their critical systems through clustering, failover mechanisms, and redundancy planning. We implement solutions that automatically detect and respond to hardware or software failures, keeping systems operational and minimizing downtime.

High Availability Solutions

RockLogic provides robust virtualization services using the open-source Proxmox platform, tailored for businesses that require flexibility and cost-effective solutions.

Proxmox Partner

Our team deploys and supports Proxmox Virtual Environment (VE), enabling clients to manage virtual machines and containers effortlessly. RockLogic ensures that Proxmox VE is optimized for various workloads, allowing businesses to maximize the efficiency of their IT resources. We also offer ongoing support to help clients adapt to changing requirements and scale their infrastructure as needed.

Proxmox VE Deployment and Support

For secure and efficient backup solutions, we integrate Proxmox Backup Server (PBS) into clients' environments. Our services include configuring deduplication, encryption, and storage management, ensuring data is protected and recoverable in the event of failures or cyber threats.

Proxmox Backup Server (PBS) Integration

Managing a data center involves more than just setting up hardware; it requires ongoing maintenance, monitoring, and upgrades to ensure peak performance. RockLogic offers a range of data center services designed to support small and medium-sized businesses.

Data Center Services

Selecting and deploying the right hardware is essential for building a resilient IT infrastructure. RockLogic offers end-to-end hardware services that cover consulting, procurement, and installation to ensure clients receive solutions that are tailored to their unique business needs.

Hardware Services

RockLogic’s networking services provide robust and secure connectivity solutions that keep businesses running smoothly. We offer expertise in configuring and managing a range of networking equipment, backed by our certified professionals.

Networking Services

RockLogic provides comprehensive IT infrastructure services, helping businesses build and maintain resilient, scalable, and efficient technology environments. Our services cover all aspects of IT infrastructure, including virtualization, networking, hardware procurement, and data center management. With expertise in modern technologies and best practices, we enable organizations to achieve optimal performance, security, and reliability.

IT Infrastructure

We offer various virtualization services that help businesses optimize resource utilization, reduce costs, and simplify IT management. We provide support for various virtualization platforms to meet the diverse needs of our clients.

Virtualization Services

Node operation is a critical aspect of blockchain networks, as nodes are responsible for maintaining the network's integrity, validating transactions, and supporting the decentralized architecture that characterizes blockchain technology. Nodes are the backbone of any blockchain, ensuring that the network remains secure and that consensus mechanisms function effectively.

About Node Operation on Blockchains

By running validator nodes, RockLogic contributes to the network's security and decentralization. As Ethereum validators, we help to ensure that the network remains reliable and that transactions are processed efficiently, contributing to the blockchain's growth and stability.
This activity requires a deep understanding of the technology and commitment to maintaining the hardware and software infrastructure that keeps these nodes running optimally. For software, we use our proven open source tool Stereum for easy access to Ethereum. And for the hardware infrastructure we benefit from our decade-long experience of building our own data center in Austria, which is audited and is being enhanced to grow with our customers’ needs.

RockLogic’s Involvement in Node Operation

Lido is one of the most prominent decentralized staking protocols that allows users to participate in PoS networks without locking up their assets. Traditionally, staking involves locking assets for a specified period, which can limit liquidity and flexibility for participants. Lido addresses this by offering liquid staking, where users can stake their assets while still being able to use them in other DeFi applications.

Lido: A Key Component in Liquid Staking

RockLogic has played an active role in the Lido ecosystem by operating validator nodes that help facilitate the liquid staking process. As a node operator within the Lido network, RockLogic is responsible for validating transactions, securing the network, and generating staking rewards that are distributed to Lido users.

RockLogic's Partnership With Lido

From a business perspective, RockLogic's involvement in node operation and Lido liquid staking opens up new revenue streams through staking rewards. By running validator nodes, our company earns rewards for its participation in network consensus, which can be a lucrative source of income, especially as more networks adopt PoS models.
Moreover, RockLogic’s activities with Lido position us as a thought leader and innovator in the Web3 space. This involvement allows us to build relationships within the DeFi ecosystem, engage with other stakeholders in the blockchain community, and stay at the forefront of technological advancements in decentralized finance.

Business and Strategic Impact

As the blockchain ecosystem continues to evolve, RockLogic is well-positioned to expand our role in node operation and liquid staking. The increasing adoption of PoS networks and the growing popularity of liquid staking solutions present significant opportunities for us to increase our footprint in the industry. RockLogic may also explore new staking networks and diversify our node operation activities across various blockchain protocols, further strengthening our position as a leading provider of blockchain infrastructure services.

Our VISION: Reliably functioning decentralized blockchains
Our MISSION: We are the most diversified node operator

While developing Stereum, we gained vast experience in the field of node operation for Ethereum as well. With its growing significance, we made node operation a new RockLogic business field in the beginning of 2024. We offer node operation as a service to those who want to participate in Ethereum, but do not want to operate a network node on their own hardware. Additionally, we also cooperate with other pool node operators, e.g. Lido, for whom we add special functions to Stereum and operate nodes for their pool.
These activities represent our dedication to decentralized finance (DeFi), infrastructure development, and Web3 technologies, further extending our expertise beyond traditional software development.

Node Operation

Over the course of our company’s history, the RockLogic team has worked on a diverse range of topics, including server maintenance, software development, and node operation on the Ethereum blockchain.
Some projects stand alone, while others are well interconnected. What they all have in common is that they have continuously expanded our knowledge and expertise. On these pages, we aim to illustrate this expertise.

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VMware war gestern. Was tun, wenn die Rechnung kommt?

RockLogic is now ISO 27001:2022 certified

Stake in ETH - January 2025

Seasons Greetings & Happy New Year!

The Biggest Devcon Ever Was Great!

We Are at Devcon 7

Introducing StereumPlus: Take Control of Your Ethereum Node

Grand Opening Web3 Hub in Vienna

Running an Ethereum Node Without 32 ETH Really Works!

Introducing David Mühlbacher