42 Design and development of computer software; creating, maintaining, and updating computer software; computer software design and development in the field of blockchain technology; software as a service (SAAS) featuring software for the purpose of trading and storing of digital currency, virtual currency, cryptocurrency and digital tokens, enabling and facilitating financial transaction and payment and exchange of currency, including digital currency, virtual currency, cryptocurrency or digital tokens based on blockchain technology; Hosting of computer software and mobile applications for use in transactional dealing and brokerage in currency exchange, securities and other financial instruments based on blockchain technology; Providing temporary use of online non-downloadable software for use in trading and storing of digital currency, virtual currency, cryptocurrency and digital tokens based on blockchain technology; 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 temporary use of web-based software for managing and verifying cryptocurrency transactions on a blockchain, and managing smart contracts using blockchain technology; Providing temporary use of web-based software in the field of financial transaction and payment processing services, namely for accessing, reading, and tracking information in the field of financial transactions and payment processing on a blockchain; Providing temporary use of online, non-downloadable computer software and applications namely for blockchain technology generation, trading, transferring, distribution and transaction processing in relation to digital currency, virtual currency, cryptocurrency and digital tokens; Providing temporary use of non-downloadable software enabling and facilitating financial blockchain transactions, and the payment and exchange of currency, including digital currency, virtual currency, cryptocurrency or digital tokens based on blockchain technology; Application service provider (ASP), namely, hosting computer software applications of others in the nature of hosting of computer software and mobile applications for use in transactional dealing and brokerage in blockchain currency exchange, securities and other financial instruments; Providing temporary use of online non-downloadable software and mobile device application for use in providing and managing automated blockchain securities brokerage and trading; Providing temporary use of online non-downloadable software for the provision of banking services, financial services, bank account management services, monetary transfer services and payment services, namely for processing electronic transactions, facilitating online payments and transferring digital assets on a blockchain; none of the foregoing involving a carbon market