Computer software development in the field of digital file and time-stamping software providing proof of existence through decentralized distributed ledgers and blockchains that will cryptographically generate a hash as certification that particular electronic information, in fact, exists at a particular point of time; Time stamping physical documents; Electronic document and e-mail authentication and time-stamping services; Digital file and data transaction services; Digital file and data integrity services; Searchable digital file and transaction database containing all records of all executed transactions located in the database; Provide a website and network that maintains storage of digital files and data anonymously for security and integrity of those electronic files stored; Provide searchable database that can be viewed or printed out to verify chain of custody; Provide printable or downloadable certificates showing proof of existence information; Provide decentralized distributed ledger digital tokens that can represent any asset class and be used to transfer value across system