Computer and mobile device software and software systems comprised of computer hardware and software for facilitating blockchain or distributed ledger transactions via telecommunications systems, data communication systems and global networks; computer and mobile device software and software systems comprised of computer hardware and software for settling financial transactions, maintaining financial books and ledgers, and authenticating parties to financial transactions; computer and mobile device software and software systems comprised of computer hardware and software for use in managing and trading digital assets; computer and mobile device software and software systems comprised of computer hardware and software for defining, issuing, tracking and holding digital assets; computer and mobile device software and software systems comprised of computer hardware and software for use in asset securitization; computer and mobile device software and software systems comprised of computer hardware and software for use in defining and issuing digital assets and records; computer and mobile device software and software systems comprised of computer hardware and software for use in performing custodianship and depository of digital assets; computer and mobile device software and software systems comprised of computer hardware and software for the management of electronic transmissions across computer networks; computer and mobile device software and software systems comprised of computer hardware and software for use in data management, data governance, data distribution, data storage, and data archiving; computer and mobile device software and software systems comprised of computer hardware and software for use in blockchain or distributed ledger technology; computer and mobile device software and software systems comprised of computer hardware and software for use in processing financial transactions