Liccium
Liccium is providing creators and rightsholders with an easy-to-use platform to digitally sign their original creative works, establishing trust in claims, attribution and authenticity of their digital content.
The Invention of Trust for Digital Media
About Liccium
For over a decade, Posth Werk B.V. – originally founded in Berlin (Germany) and relocated to Leiden (Netherlands) in 2017 – has been a trusted partner in the media industries, offering consulting services, project management, and innovative product development to a wide range of stakeholders across Europe and beyond.

Our key role in the development and introduction of the International Standard Content Code (ISO 24138 – ISCC) in 2016, led by Sebastian Posth as co-initiator and convenor and project leader of ISO 24138, underscores our dedication to driving technological advancement in digital content distribution.

As a pioneer in trust technology, Liccium is at the forefront of using the ISCC as a ground-breaking identification system and state-of-the-art cryptographic technology to redefine trust and transparency in the digital world.
Core Team
Liccium brings together a diverse group of individuals and skilled professionals with a wealth of experience and expertise in technology, media, and law. Their dedication, expertise, and passion drive our success and position us for continued growth and innovation in the digital media industry. Liccium is setting standards in trust technology.
  • Sebastian Posth
    Founder and CEO
    Sebastian Posth is a champion of digital innovation, with a proven track record of setting global standards and successfully transforming innovative technology into valuable and useful products, services and tools for media professionals and creative individuals. His leadership and vision drive our mission to create a trustworthy ecosystem for digital media.

    Sebastian was a co-initiator of the International Standard Content Code (ISO 24138 – ISCC), convenor and project leader of the ISO working group on ISCC.
  • Sabine Richly
    Legal Council
    Sabine is an independent lawyer and business consultant with a focus on media and copyright law, particularly in the context of EU regulations. She offers 15+ years of experience working with media companies, collective management organisations and creative artists, providing guidance on all aspects of digital rights management.
  • Dave Fetterman
    Technical Oversight
    Dave brings invaluable expertise in software development and team leadership to Liccium. With a distinguished career that includes leading the mobile software development team at Facebook and initiating the Facebook developer platform, Dave has a proven track record of driving innovation and success in the tech industry. His strategic guidance and industry insights are invaluable in shaping Liccium’s growth and development.
  • Alen Horvat
    SSI & Cryptography
    Dr. Alen Horvat is a highly skilled IT architect and the leading expert in self-sovereign identity and cryptography, having worked as lead architect of the European Blockchain Services Infrastructure (EBSI).
  • Yury Kharytanovich
    Lead Developer and Head of Development Team
    Yury Kharytanovich is a key member of the Liccium team, responsible for the development of our solutions and services for more than two years. As Lead Developer, he is heading our team of backend and frontend developers ensures that our B2B and B2C solutions remain at the forefront of innovation and functionality.
Do you have questions or want to know more about our services and special offers?