Providing an online marketplace for the peer-to-peer exchange of personal or digital property and non-fungible tokens (NFTs); Provision of an online marketplace for buyers and sellers of downloadable digital music, art images, video clips, clothing, eyewear, all-purpose carrying bags, backpacks, jewelry, watches, phone accessories, licensed merchandise, footwear, belts, trading cards, home furnishings, health and beauty aids, home electronics, consumer packaged goods, food and beverages, toys and games, pets, furniture, and household items authenticated by non-fungible tokens; Retail store services featuring virtual goods, namely, access tokens for use in online virtual worlds; Virtual retail store services featuring virtual goods, namely, music, art images, video clips, clothing, eyewear, all-purpose carrying bags, backpacks, jewelry, watches, phone accessories, licensed merchandise, footwear, belts, trading cards, home furnishings, health and beauty aids, home electronics, consumer packaged goods, food and beverages, toys and games, pets, furniture, and household items for use in online virtual worlds