The core activity of nano4U is the development and provision of product authentication solutions for various industries, particularly for the pharmaceutical industry, plastic products, medical devices, electronics, and consumer goods. These solutions aim to ensure the authenticity and integrity of products along the global supply chain and prevent counterfeiting. To achieve this, nano4U uses innovative technologies such as digital fingerprints that link the physical properties of products with their packaging, as well as integrated security features embedded in the products.