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Downloadable computer software for detecting color signatures of physical nanoparticles of semiconductor materials; Downloadable computer software for enabling smartphones and other portable mobile devices to function as a spectrometer; Portable spectrometers; Downloadable computer software for authenticating objects, identifying users, and authorizing transactions using detected color signatures of physical nanoparticles of semiconductor materials and information stored using distributed ledger technology

Maintaining registries of unique color signatures of physical nanoparticles of semiconductor material

Authentication services for authenticating products using physical nanoparticles of semiconductor material, and verifying manufacturing sources as it relates to the manufacturing origin of products embedded with physical nanoparticles of semiconductor material; Providing product, brand, company, user, and transaction authentication services for authenticating and identifying the legitimacy and authenticity of products, brands, companies, users, and transactions based on detected color signatures of physical nanoparticles of semiconductor material and information stored using distributed ledger technology; Platform as a service (PaaS) featuring computer software platforms for authenticating products using physical nanoparticles of semiconductor material, for maintaining registries of unique color signatures for physical nanoparticles of semiconductor material, and for verifying manufacturing sources of products embedded with physical nanoparticles of semiconductor material; Platform as a service (PaaS) featuring computer software platforms for product and document authentication and tracking, and brand monitoring and protection, to protect against counterfeiting, and to ensure the integrity of genuine products and documents; Platform as a service (PaaS) featuring computer software platforms for authenticating, identifying, and authorizing products, brands, companies, users, and transactions based on detected color signatures of physical nanoparticles of semiconductor material and information stored using distributed ledger technology; platform as a service (PaaS) featuring computer software platforms for providing anti-counterfeiting services in the fields of product and document authentication and tracking, and brand monitoring and protection, to protect against counterfeiting, tampering, and diversion, and to ensure the integrity of genuine products and documents