Downloadable files authenticated by non-fungible tokens (NFTs); Downloadable software for trading, exchanging, transmitting, transferring, and validating non-fungible tokens (NFTs); Downloadable mobile application featuring an online marketplace for the purpose of facilitating the exchange and sale of goods and services; Downloadable mobile application featuring an online marketplace for the purpose of facilitating the exchange and sale of goods and services authenticated by non-fungible toke...