OpenSea
The largest NFT marketplace platform where users buy, sell, and trade digital assets.
Last Updated
2026-03-19
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What is OpenSea?
OpenSea is the world's largest decentralized marketplace for buying, selling, and trading NFTs. It supports millions of collections across Ethereum, Polygon, and Solana.
How does OpenSea work?
Users connect a wallet to list or buy NFTs. The Seaport smart contract handles trustless peer-to-peer trades transferring the NFT to the buyer and payment to the seller automatically.
Creators set royalty percentages paid on every secondary sale.
Why does OpenSea matter?
OpenSea established the primary liquidity pool for NFTs, creating the central hub where digital ownership is bought and sold globally.
Key features of OpenSea
- Multi-chain support (Ethereum, Polygon, Solana)
- Peer-to-peer trading via audited smart contracts
- Creator royalty enforcement
- Advanced filtering by rarity and traits
Examples of OpenSea
Collectors browse Pudgy Penguins and Art Blocks. Artists launch generative collections using OpenSea's creator tools.
The platform has processed over $30 billion in total trading volume since 2017.