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 Maintenance - 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.

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.

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.

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.