42 design, development and implementation of software in the field of blockchains; software development and product development consulting in the field of blockchains; providing online non-downloadable computer application software for blockchain-based platforms, namely, online non-downloadable software platforms for distributed applications and software using a consensus engine incorporating blockchain technology for securing data with cryptographic information; providing online non-downloadable computer software platforms for block-chain based inventory management; Providing online non-downloadable software for accessing, reading, and tracking information in the field of tamper-proof logs, patient medical records, financial transactions, healthcare, real estate, media, voting, identity verification, peer to peer transactions, record management, internet of things (IOT), non fungible tokens (NFTs), logistics, cybersecurity, government, fintech on a blockchain; providing online non-downloadable computer software platforms for developing, building, and operating distributed applications