Software as a service (SaaS) featuring software for trading, storing, sending, accessing, receiving, validating, verifying, accepting, tracking, transferring, exchanging, and transmitting cryptocurrency, virtual currency, digital currency authenticated by non-fungible tokens (NFTs) using blockchain technology; platform as a service (PaaS) featuring software for trading, storing, sending, accessing, receiving, validating, verifying, accepting, tracking, transferring, exchanging, and transmitti...