Smart Contracts
                        
                        0x1f52b87c3503e537853e160adbf7e330ea0be7c4
                                0x23b45c658737b12f1748ce56e9b6784b5e9f3ff8
                                0x78997e9e939daffe7eb9ed114fbf7128d0cfcd39
                                0x7be8076f4ea4a4ad08075c2508e481d6c946d12b
                                0x1f0356ce91f157c8537ae9320c592d1b07bcde48
                                0x5206e78b21ce315ce284fb24cf05e0585a93b1d9
                                OpenSea is a marketplace for the decentralized web, including crypto collectibles, gaming items, and other items that are backed by the Ethereum blockchain. On OpenSea, you can buy or sell any of these items through an Ethereum smart contract, meaning that no central authority ever holds custody of your items.