Dust Identity is a physical identity and authentication company based in Newton, MA, founded by three PhD researchers originally from Columbia University and MIT. The company was established in response to a DARPA-identified problem in supply chain security: the lack of trusted physical identity for high-value components. The company's core technology is based on the quantum properties of microscopic diamond particles ("dust"), which are used to create unique, unclonable physical fingerprints. These fingerprints are embedded into or applied to physical objects, enabling persistent identity verification and traceability across a product's lifecycle. Dust Identity's solutions are applied across multiple sectors, including aerospace and defense, supply chain management, secure electronics, premium retail, jewelry, sports and entertainment, and art. The technology is designed to address challenges related to counterfeit products, component authentication, and chain-of-custody verification for high-value or security-critical items. The company's customers use its platform to track and verify the authenticity of physical products and parts, from components used in national security contexts to luxury consumer goods. The solution is positioned as long-lasting and adaptable, designed to work across complex value streams where provenance and authenticity are critical requirements.