42 Software as a service and platforms as a service to insure integrity and protect against fraud in financial transactions, blockchain transactions and distributed ledgers; software as a service to facilitate underwriting of financial products for blockchain transactions and management of distributed ledgers; IT consulting services; IT consulting services in the field of cryptography, cryptocurrency, cryptotokens, utility tokens, cryptosecurities, fraud prevention, financial transaction management, and digital currency; technical support series, namely, troubleshooting of computer software problems; technical support services, namely, troubleshooting of software for facilitating or managing digital currency; Providing temporary use of online non-downloadable software for use in electronically trading, storing, sending, receiving, accepting and transmitting digital currency, and managing digital currency payment and exchange transactions; providing technological information online in the field of cryptocurrency and cryptosecurities; Providing temporary use of online non-downloadable software for use in digital asset exchange transactions; Providing authentication services, namely, providing electronic document and e-mail authentication services, software as a service (SAAS) services featuring software that allows users to sign on to multiple third party websites, providing a website featuring on-line non-downloadable software that allows users to sign on to multiple third party websites, providing temporary use of on-line non-downloadable software that allows users to sign on to multiple third party websites; software as a service (SAAS) services featuring software that facilitates authentication in the field of digital security and identification; software as a service (SAAS) services featuring software in the fields of digital security and database access management for use in validating user identity and user access to websites, software applications, and computer systems through authentication; design, development and implementation of software; Authentication, issuance and validation of digital certificates; software as a service (SAAS) featuring software for protecting digital identities, digital identity certificates, and decentralized digital identities; software as a service (SAAS) to protect against fraud in blockchain transactions; software as a service (SAAS) to facilitate underwriting of financial products for blockchain transactions; consulting services for identity management, and fraud prevention