Application service provider (ASP) featuring software for electronic messaging and electronic data storage for computers, laptops, and mobile electronic devices for use with blockchain technology; Providing temporary use of an online non-downloadable web-based or peer-to-peer software application for data and digital file uploads, for database management, for recording and maintaining the security, integrity, and timestamp of digital files and data, for capturing various types of digital files and data, for transferring data and digital files, all the foregoing for use with blockchain technology; Application service provider (ASP) featuring application programming interface (API) software for integration of content, data, information or records into websites and mobile applications for use with blockchain technology; Electronic document and e-mail time-stamping services for use with blockchain technology; Evidence storage services, namely, electronic data storage for use with blockchain technology; Providing a website and or network featuring technology that provides users with cryptographic hash services and functions for use with blockchain technology; Providing a website or network featuring technology that enable users to maintain the security and integrity of digital files and data for use with blockchain technology