Downloadable computer software for payment processing, content delivery, identification and identity marking, digital encryption, travel certification, physical location access, verification documents, recording, and displaying individual data, and serving as a digital passport; Encrypted, permission based file sharing in consumer, commercial and government settings; Downloadable computer software for enabling instant purchases, media content delivery, ID verification, membership verification, product authentication (anti-counterfeit); Downloadable software in the nature of a mobile application for payment processing, content delivery, identification and identity marking, digital encryption, travel certification, physical location access, travel ticket control, recording and displaying individual health data, and serving as a digital passport; Downloadable software in the nature of a mobile application for enabling instant purchases, media content delivery, 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