OpenSea is peer-to-peer marketplace for NFTs, rare digital items and crypto collectibles.

OpenSea sells NFTs, which are uniquely identifiable digital items that can be authenticated through blockchain (the transparent and secure digital ledger behind cryptocurrencies).

OpenSea was founded in 2017 by Alex Atallah and Devin Finzer. The company is headquartered in New York, New York.


OpenSea is the first and largest peer-to-peer marketplace for cryptogoods (like an eBay for crypto assets), which include collectibles, gaming items, and other virtual goods backed by a blockchain.


OpenSea saw more than $2.4 billion in transaction volume in the past 30 days alone, hauling in some hundreds of millions in fees last year.


OpenSea is backed by Andreessen Horowitz, Paradigm, Coatue, Blockchain Capital, Y Combinator, Mark Cuban, Animoca Brands, The Chernin Group, and others. The company raised $300M in Series C round on Dec 04, 2022. This brings OpenSea's total funding to $427.2M to date. The latest round pushed the company's valuation to $13.3B post-money. OpenSea was previously valued at $1.5B from their Series B round raised in Jul 2021.



  • Year founded: 2017
  • Funding Info: $427.2M over 5 Rounds (Latest Funding Type: Series C)
  • Yearly Revenue: NA
  • Employee Size: 51-200
  • Business Valuation: Valued at $13.3B as of Jan 04, 2022
  • City/Town: New York City
  • State: New York
  • Country: United States
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