Downloadable photographs authenticated by non-fungible tokens (NFTs); Downloadable photos authenticated by non-fungible tokens (NFTs); Downloadable music files authenticated by non-fungible tokens (NFTs); Downloadable computer software for minting non-fungible tokens (NFTs); Downloadable software applications for minting non-fungible tokens (NFTs); Downloadable computer software applications for minting non-fungible tokens (NFTs); Downloadable digital music files authenticated by non-fungible...