Computer application software for blockchain-based platforms, namely, software platforms for distributed applications and software using a consensus engine incorporating blockchain technology for securing data with cryptographic information; computer software platforms for developing and building of distributed software applications and distributed computing platforms; computer software platforms for blockchains; computer software platforms for developing, building, and operating distributed applications; computer software platforms for developing, building, and operating nonfungible tokens (NFTs); computer software for distributing, selling, and exchanging non-fungible tokens (NFTs)