OpenSea NFT is a marketplace platform where users can transact NFTs. It has hosted every NFT-related project since 2017. It offers more than 200 digital assets and more than four million NFTs via its official website. With OpenSea, users can easily buy, sell and create NFT by paying a 2.5% transaction fee. To access you have to complete the registration process by downloading the Metamask wallet and connecting it to the OpenSea NFT platform to start any trading.