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OpenSea offers a generous free tier with optional paid upgrades for advanced features.
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OpenSea operates as a decentralized marketplace, meaning transactions are executed directly between buyers and sellers via smart contracts on the blockchain. Your digital assets remain in your connected cryptocurrency wallet until a transaction is confirmed on the blockchain, ensuring that OpenSea itself does not custody your assets.
OpenSea supports a variety of blockchain networks, including Ethereum, Polygon, Klaytn, and others. It is compatible with common NFT token standards such as ERC-721 and ERC-1155, allowing for a broad range of digital collectibles to be listed and traded on the platform.
Yes, you can list your own created NFTs for sale. The primary costs involved are typically gas fees for minting the NFT (if not already minted) and for approving contracts for the first time. OpenSea charges a service fee on successful sales, which is a percentage of the sale price.
The 'Floor Price' feature displays the lowest available price for an NFT within a specific collection. This helps collectors quickly identify the entry-level cost for acquiring an item from that collection, providing a benchmark for valuation and aiding in strategic purchasing or selling decisions.
Collection 'Insights' provide valuable data such as sales volume, average price, number of owners, and historical price charts. These insights help users analyze the performance and popularity of a collection over time, enabling more informed decisions for both buyers and sellers.
Source: opensea.io