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OpenSea is an online marketplace for buying and selling cryptocollectables. The company is located in New York City and was founded in 2017.

OpenSea is a company that participated in the YC W18 cohort of Y Combinator and raised an estimated $2,120,000.It is a peer-to-peer marketplace where goods such as gaming items, digital art, and other goods backed by a blockchain can be bought and sold.


Users can create their own customizeable marketplace using the OpenSea software and set their own fees for their sales. The projects must be ERC-721 compliant to be sold in the marketplace. Users can create auctions for items with any cryptocurrency of their choice. They must submit a contract on the platform in order to get their auction started. The application programming interface can show users market data with statistics and insights in the form of graphs so that users can see how their digital assets are trending. Users can sell their assets in packs, airdrop rewards to customers if so desired, and create lootboxes.

There are more than three million digital assets on the platform and cryptocurrencies such as Ethereum are used for the exchanges. Sales are conducted through smart contracts on the platform and users can keep their commission after paying a fee to OpenSea.


January 5, 2022
OpenSea Valued at $13.3 Billion in New Round of Venture Funding
January 4, 2022
OpenSea raises a $300,000,000 series C round from Coatue Management.
July 20, 2021
OpenSea raises $100,000,000 in a Series B round led by Andreessen Horowitz with participation from Creative Artists Agency (CAA), Michael Ovitz, Kevin Durant and Ashton Kutcher
July 20, 2021
OpenSea raises a $100,000,000 series B round.
March 19, 2021
OpenSea, the marketplace for NFTs, has raised $23M in venture funding from investors that include Andreessen Horowitz, Naval Ravikant, Mark Cuban, Alexis Ohanian, Blockchain Capital, Kevin Hartz, Justin Kan, Dylan Field, Avichal Garg, Bill Lee, 1confirmation, Balaji Srinivasan, Tim Ferriss, Linda Xie, Standard Crypto, Regan Bozman, Pascal Capital, Ben Silbermann, and Belinda Johnson., the recruitment automation platform, has raised $6.5M in Series A funding from investors that include G20 Ventures, KFund, Accomplice, Slow Ventures.

March 18, 2021
OpenSea raises a $23,000,000 series A round from Andreessen Horowitz, Justin Kan, Kevin Hartz, Linda Xie, Mark Cuban, Metapurse, Naval Ravikant, Pascal Capital, Regan Bozman, Standard Crypto and Tim Ferriss.
November 19, 2019
OpenSea raises a $2,100,000 seed round from 1confirmation, Animoca Brands, Blockchain Capital, Dylan Field, Gumi Cryptos Capital and StartX.
May 10, 2018
OpenSea raises a $2,000,000 seed round from 1confirmation, Andrew Vigneault, Blockchain Capital, Brad Flora, Coinbase Ventures, Foundation Capital, Founders Fund, The Chernin Group and The Stable Fund.
January 4, 2018
OpenSea raises a $120,000 pre-Seed from Y Combinator.
Founded by Alex Atallah, Devin Finzer in 2017, OpenSea has now raised a total of $27.2M in reported equity funding.

Funding rounds





Alex Atallah

Co-Founder and CTO

Devin Finzer

Co-Founder and CEO

Dylan Field


Further reading


Documentaries, videos and podcasts





Sarah Perez
September 18, 2021
Welcome back to This Week in Apps, the weekly TechCrunch series that recaps the latest in mobile OS news, mobile applications and the overall app economy. The app industry continues to grow, with a record 218 billion downloads and $143 billion in global consumer spend in 2020. Consumers last year also spent 3.5 trillion minutes using apps on Android devices [...]
Amanda Silberling
September 17, 2021
It's a big day for the Amazon of the decentralized internet -- OpenSea now has an app for iOS and Android. For most companies, having a mobile app is a milestone you'd reach before hitting a $1.5 billion valuation. But like any store -- whether you're selling NFT art or not -- there's a hefty [...]
BBC News
September 16, 2021
BBC News
An employee was accused of buying digital art that would later be promoted on the homepage.
Lucas Matney
September 15, 2021
The "eBay of NFTs" is running into a scandal as it admits one of its employees traded the crypto digital assets using insider information from the platform. Yesterday, a top executive at NFT platform OpenSea was accused of front-running sales on the platform, purchasing pieces from NFT collections before they were featured on the homepage [...]
Lucas Matney
August 28, 2021
Hello friends, and welcome back to Week in Review! Last week we dove into Bezos's Blue Origin suing NASA. This week, I'm writing about the unlikely and triumphant resurgence of the NFT market. If you're reading this on the TechCrunch site, you can get this in your inbox from the newsletter page, and follow my [...]


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