Opensea is the first and world’s largest Decentralized NFT Marketplace. It is built on the ethereum blockchain It allows the users to buy, sell, create & trade NFTs. Opensea is the largest NFT Marketplace with more than 2.4 million active users. It is a non-custodial platform, that allows users to complete control and access to their wallets. Not only Opensea, there are also many NFT marketplaces available in the world of NFTs. some of the marketplaces are Rarible, SuperRare, Foundation, solsea, and more. You can also create your own NFT Marketplace similar to the above-mentioned marketplaces. But how? you can launch it instantly just by reaching any NFT Marketplace development company like Bitdeal, who can assist you in building your own NFT Marketplace like the above one.