Data encryption, decryption and data integrity services in the nature of computer security threat analysis for protecting data; Technical consultation services in the fields of computer programming, financial computer networks, data processing, secure communications, data encryption and decryption and network security; Data authentication via blockchain, namely, authentication of digital signatures; Electronic data storage and retrieval services; Information, advisory and consultancy services relating to financial transaction technology and cryptocurrency trading technology; Verification of data via blockchain in the nature of providing user authentication services using blockchain-based software technology for cryptocurrency transactions; Software as a service (SaaS) featuring software for digital asset management; Software as a service (SaaS) featuring software to facilitate the use of a block chain or distributed ledger; all of the foregoing in the field of cryptocurrency