42 Temporary use of online, non-downloadable software for use as nonfungible tokens used with blockchain technology; Temporary use of online, nondownloadable software for use as non-fungible tokens used with blockchain technology to represent a collectible series of images; Temporary use of online, non-downloadable software for use as non-fungible tokens used with blockchain technology for collecting digital images; Temporary use of online, non-downloadable of software for managing electronic payment transactions using distributed ledger technology (DLT); Platform as a service (PAAS) featuring computer software platforms using blockchain and distributed ledger technology for authenticating and processing digital tokens; Authentication and certification of data relating to non-fungible tokens via blockchain; Software as a service (SAAS) services featuring software for trading crypto-tokens and non-fungible tokens; Platform as a service (PAAS) featuring computer software platforms for hosting digital art auction websites for crypto-tokens and non-fungible tokens