The Opensea has become one of the world's biggest NFT marketplaces, with a broad range of users buying & selling NFT. Users can bid in auctions and search for collectibles on NFT marketplaces, which are powered by high-tech blockchain systems. Millennials, who enjoy collecting, are the primary purchasers of NFTs. Opensea sells a variety of NFT as collectibles, including arts, pictures, audio, games, and music. Entrepreneurs can interact with the world's leading Blockchain App Factory to develop OpenSea like the NFT marketplace platform using modern blockchain technology.