Computer software for encryption in the field of cryptographic network security and data security functions using blockchain; computer software and logic-based computer hardware for enabling secure and trusted communications between connected devices, networks and applications; computer software for automating a process for authentication of machine-to-machine and human-to-machine communications programmatically using smart contracts and consensus between devices in peer-to-peer networks and databases; computer software using blockchain-based digital smart contracts for authentication or encryption of digital communications and authentication of a digital identity in an electronic transaction or communication, over the Internet and other computer networks, and devices; computer software, namely, encryption software to enable secure storage and transmission of digital information over the Internet as well as over other modes of communication between computing devices; computer software and firmware for encryption for use with microprocessors; computer software and firmware to enable and manage blockchain services, namely, public key infrastructure (PKI) services, and cryptographic smart contracts, tokens, and certificates, and verification management services, and financial crypto currency transactions, and for integration with enterprise communications networks and digital infrastructures; computer operating systems