35 Compiling indexes of information using blockchain technology; Online retail store services featuring downloadable digital multimedia file containing artwork, text, audio, and video relating to pop culture, cryptocurrency, education, entertainment, mass media, journalism using blockchain technology authenticated by non-fungible tokens (NFTs); Online retail store services featuring downloadable digital collectibles of multimedia file containing creative artwork, text, audio, and video relating to pop culture, cryptocurrency, mass media, journalism, education, entertainment using block chain technology authenticated by non-fungible tokens (NFTs); Provision of an online marketplace, using blockchain technology, for buyers and sellers of downloadable digital art images authenticated by non-fungible tokens (NFTs); Provision of an online marketplace, using blockchain technology, for buyers and sellers of downloadable digital multimedia file containing artwork, text, audio, and video relating to pop culture, mass media, cryptocurrency authenticated by non-fungible tokens (NFTs); Provision of an online marketplace, using blockchain technology, for buyers and sellers of downloadable digital collectibles of multimedia file containing artwork, text, audio, and video relating to pop culture, mass media, cryptocurrency authenticated by non-fungible tokens (NFTs)