42 E-wallet services, namely, secure placement, management and trading of crypto currency assets and other digital assets; computer security services in the nature of providing authentication, issuance, validation and revocation of digital certificates in the field of electronic payments and blockchain transactions; computer security services in the nature of administering digital certificates and encryption keys; Providing non-downloadable online software for performing interactions with blockchain protocols, and providing encryption key management systems; providing non-downloadable online software for featuring blockchain wallets for brokering and trading fungible and non-fungible tokens (NFTs); providing non-downloadable online software for managing cryptocurrency transactions using blockchain technology; providing non-downloadable online software for blockchain-based inventory management; providing non-downloadable online software for cross-blockchain transmission of tokens and non-fungible tokens; providing non-downloadable online software, namely, software for connecting hardware wallets for digital asset management and blockchain transactions; providing non-downloadable online software for digital asset transactions; providing non-downloadable online software for connecting with hardware wallets to manage digital assets and blockchain transactions; providing non-downloadable online software for operating systems for hardware wallets, for managing digital currencies and digital asset transactions; cloud storage services for electronic data and electronic files; providing temporary use of online non-downloadable cloud computing software for digital wallet infrastructure and qualified custodian integrated infrastructure-related storage; electronic signature verification services using technology to authenticate user identity, and using cryptocurrency transaction confirmation; electronic storage of cryptocurrencies, non-fungible tokens, and digital assets; user authentication services using blockchain technology for cryptocurrency transactions, cryptocurrencies, digital asset storage, estate and will management, and other online software applications; computer firewall services, namely, computer firewall software for use in association with decentralized systems, and blockchain technologies; cloud computing software for use in providing firewall protection; providing temporary use of non-downloadable computer firewall software; electronic data back-up services; providing non-downloadable software for encryption key backup, encryption key rotation, encryption key recovery, encryption key restoration, and encryption key management