35 On-line retail store services featuring virtual merchandise, namely, multimedia files and digital collectibles in the nature of artwork, photos, images, text, audio, and videos in the field of collegiate athletics authenticated by non-fungible tokens (NFTs); On-line retail store services featuring virtual merchandise, namely, multimedia files and digital collectibles in the nature of artwork, photos, images, text, audio, and videos in the field of baseball, basketball, football, golf, gymnastics, rowing, soccer, softball, swimming, diving, tennis, track and field, cross country, and volleyball authenticated by non-fungible tokens (NFTs); Provision of an online marketplace for buyers and sellers of downloadable digital artwork, text, audio, and video relating to collegiate athletics authenticated by non-fungible tokens (NFTs); Provision of an online marketplace for buyers and sellers of downloadable digital collectibles, namely, photos, images, and videos of players, games, game footage, game highlights, and virtual experiences in the field of baseball, basketball, football, golf, gymnastics, rowing, soccer, softball, swimming, diving, tennis, track and field, cross country, and volleyball authenticated by non-fungible tokens (NFTs); Operating an on-line marketplace for sellers and buyers of goods in the nature of photos, images, and videos of players, games, game footage, game highlights, and virtual experiences in the field of baseball, basketball, football, golf, gymnastics, rowing, soccer, softball, swimming, diving, tennis, track and field, cross country, and volleyball authenticated by non-fungible tokens (NFTs)