Downloadable computer software for payment processing, content delivery, identification and identity marking, digital encryption, and serving as a digital passport, enabling instant purchases, media content delivery, electronic benefit transfer (EBT), data transfer, ID verification, transport tickets, room access, vehicle access, membership verification, loyalty schemes, credit checks, end-to-end supply chain management, product authentication (anti-counterfeit), and interactive charitable giving transactions; Downloadable software in the nature of a mobile application for payment processing, content delivery, identification and identity marking, digital encryption, and serving as a digital passport, enabling instant purchases, media content delivery, electronic benefit transfer (EBT), data transfer, ID verification, transport tickets, room access, vehicle access, membership verification, loyalty schemes, credit checks, end-to-end supply chain management, product authentication (anti-counterfeit), and interactive charitable giving transactions