SMX (Security Matters) Public Limited Company engages in the development and commercialization of track and trace technologies for various industries in Australia. It owns and commercializes technology to mark various objects, such as solid, liquid, or gas allowing identification, circularity, proof of authenticity, tracking supply chain movements, and quality assurance. The company's technology comprises a chemical-based hidden barcode system, as well as a reader to identify these codes; and a blockchain record to store and protect ownership data.