Downloadable computer software for sending, storing, and retrieving electronic mail, instant messaging, and text messaging in the nature of protocols and software that coordinates the transmission, storage, and retrieval of data by tracking, reporting, managing, allocating, reserving, preserving, and deploying electronic data resources and by backing up, synchronizing, and sharing data between computers and electronic devices; Downloadable computer software for creating, authenticating, and authorizing digital and cryptographic signatures; Downloadable computer software for facilitating secure financial transactions via computer and communication networks and for facilitating secure communications for use in the fields of banking and cryptocurrency transactions, private messaging, and mobile applications; Downloadable computer software for user, device, and digital wallet authentication for use in the field of cryptocurrency management; Downloadable computer software for authenticating computing devices, including mobile devices for use in the field of cryptocurrency management; Downloadable computer software for computer and electronic data security for use in the field of cryptocurrency management; Downloadable computer software for use in safeguarding electronic data security relating to digital content, including cryptocurrency, audio, video, text, and multimedia files; Downloadable computer software to facilitate authentication of an authorized device or user of a computer system