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OpenSea company profile covering overview and insights into the verified team, and milestones.
OpenSea is an NFT marketplace started by Devin Finzer and Alex Atallah. It lets people buy, sell, and trade digital collectibles, NFTs, and other blockchain-based assets. The platform works across multiple blockchains like Ethereum, Solana, and Polygon, giving users more flexibility. With the Seaport Protocol, OpenSea runs as a non-custodial platform. This means users stay in full control of their assets and don’t need to depend on any centralized middlemen.
| Year | Achievements |
| 2017 | Started by Devin Finzer and Alex Atallah in New York City. It launched as the first peer-to-peer marketplace for NFTs (ERC-721 tokens), mainly focused on CryptoKitties and early digital collectibles. |
| 2018 | The team raised its first seed round with backing from Y Combinator. This helped them build the core foundation of the marketplace |
| 2019 |
Expanded by adding support for more blockchain-based assets and gaming items. |
| Raised $2.1 million in venture capital. | |
| 2021 |
Raised $23 million in Series A funding led by Andreessen Horowitz (a16z). |
| Achieved unicorn status with a $100M Series B round led by a16z at a $1.5B valuation | |
| Monthly transaction volume spiked to $3.4 billion. | |
| 2022 |
Reached a $13.3B valuation following a $300M Series C round led by Paradigm and Coatue Management. |
| Acquired Dharma Labs, a smart contract wallet startup. | |
| 2025 | Announced the upcoming $SEA token from the OpenSea Foundation to support engagement on the new "OS2" platform. |
Launch Date
Jan-2017
Company Size
Medium (51-250)



Devin Finzer, Alexander Atallah, Nadav Hollander and 3 Others



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