Design, development, and implementation of software to provide secure access and enable recognition of user credentials using decentralized technology; Providing user authentication services using software technology for secure access and recognition of user credentials; Providing user authentication services using software technology for access to data, e-commerce transactions, and secure entry and exit door access; user authentication using technology for providing secure access and enabling recognition of user credentials; Electronic data storage; data encryption services; Computer security services, namely, restricting unauthorized network access by users without credentials