35 Providing digital collectible services, namely, operating an online marketplace for transactions and registry services using blockchain-based software technology and smart contracts for the sale of digitized assets, collectibles, and non-fungible tokens in the nature of Provision of an online marketplace for buyers and sellers of downloadable digital goods, namely, art images, music, video clips, memes, comic books, graphic novels, online comics and comic strips, role playing games, board games, trading cards and trading card games, digital videos, photos, advertisements, artistic and creative work, movie clips, virtual goods, namely, apparel, footwear, eyewear, bags, backpacks, toys, sporting equipment, namely, tennis racquets, tennis balls, golf clubs, golf balls, basketballs, soccer balls authenticated by non-fungible tokens (NFTs)