Skip links

Hackathon 2025

Tech-X Hackathon #8

1st prize 5000 Euros

2nd prize 3000 Euros

3rd prize 1500 Euros

Hackathon tracks

Everyone is welcome to join the Hackathon and use their skills.

You can reach out to the hackathon leads using all our means of communication:

In case you need to contact directly a lead, feel free to reach out to sumiya.sultana+tech-x@gaia-x.eu to get in touch.

Data Space On-Boarding with Gaia-X Credentials

Team lead

Stefan Wiedemann

 Pre-requisites

  • Basic understanding of Verifiable Credentials and the Gaia-X Framework
  • Basic understanding of ODRL
  • (optional) experience with local K3s environments

Gaia-X Ontology Bridge

Team lead

Antonio Santacaterina

 Pre-requisites

  • Python
  • pySHACL
  • Streamlit
  • Jupyter
  • RDFLib
  • JSON-LD
  • GPT-4 API
  • Ollama (Mistral)
  • GXDCH CLI 

Gaia-X Federated Metadata Repository

Team lead

Antonio Santacaterina

 Pre-requisites

  • Python
  • openAPI
  • web scraper
  • metadata management
  • OpenMetadata
  • Airflow
  • Playwright

ODRL Evaluation Library

Team lead

Tom Last

 Pre-requisites

  • ODRL
  • RDF
  • Verifiable Credentials
  • Gaia-X Loire Ontology
  • Gaia-X Loire Credential Format

Semantic Catalogue for Loire release, upgrading the XFSC Federated Catalogue (Ontology, Credentials, Signatures)

Team lead

Paul Moosmann

 Pre-requisites

  • Familiarity with the Gaia-X Ontology
  • Familiarity with the Verifiable Credentials Data Model v2.0
  • Enterprise-style Java software development
  • Knowledge of JWT/JWS

Gaia-Sense: A GenAI Assistant for Gaia-X Developers & Users 

Team lead

Maharshi Suchak
Ronak Thacker
Samir Thacker
Harshil Purohit

 Pre-requisites

  • Basic understanding of Gaia-X concepts (VC, LP, SO, GXDCH, eIDAS)
  • Familiarity with YAML/JSON service descriptors
  • Strong and practical development experience with GenAI models (e.g., OpenAI, LLaMA, or similar)
  • Python/JavaScript development (for API integration)
  • Optional: Knowledge of SPARQL or semantic data querying

Extending the GAIA-X Digital Clearing House: Automated RDF & SHACL and Driven Certification for Marketplace Access

Team lead

Giulia Biagioni (TNO)
Alex Montoya Franco (TNO)
Ioannis Tolios (TNO)
Inés Martínez (TNO and CoE DSC)

 Pre-requisites

  • Semantic Web Basics: Understanding of RDF and SHACL.
  • AI Fundamentals: Basic grasp of symbolic and sub-symbolic techniques.
  • Software Development: Ability to script or prototype in a common language (e.g., Python).