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OpenSea

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OpenSea

OpenSea is theOpenSea is the best place to trade everything onchain —…

opensea.io
HQ: New York, NY, USA
201-500
Consumer

Company research

Public company, workplace, funding, and market signals

Updated Jul 30, 2026

Overview

OpenSea is a non-custodial marketplace for NFTs and tokens, founded in 2017 and now rebuilt around OS2 for cross-chain trading, minting, and developer tooling.

Primary product

OS2, OpenSea’s non-custodial NFT and token trading marketplace

Founded

2017

Headquarters

Miami, Florida, United States

Team size

300-400

Work style

Remote

Industry

Software Development

Sub-industry

NFT marketplace and onchain token trading platform

Offices

Miami, Florida, United States
New York, New York, United States

Business model

transaction-fee marketplace
non-custodial trading platform
developer platform/API and SDK tooling

Funding

Stage

Series C / late-stage private

Total raised

$427.2M

Latest round

Series C · Jan 2022

Latest amount

$300M

Series C

Jan 2022 · Paradigm and Coatue

$300M

Series B

Jul 2021 · Andreessen Horowitz

$100M

Series A

Mar 2021 · Andreessen Horowitz

$23M

Strategic

Nov 2019

$2.1M

Seed

May 2018 · 1confirmation

$2M

Accelerator/Incubator

Mar 2018 · Y Combinator

$120K

People & investors

Leadership

Devin Finzer

Co-Founder and CEO

Chris Maddern

Chief Technology Officer

Laura Brookover

General Counsel

Oliver Maroney

Head of Business Development & Partnerships

Founders

Alex Atallah

Co-Founder

Investors

1confirmation
Alexis Ohanian
Andreessen Horowitz
Animoca Brands
Ashton Kutcher
Avichal Garg
Balaji Srinivasan
Belinda Johnson
Ben Silbermann
Blockchain Capital
Blockstack
Coatue
Coinbase Ventures
Dylan Field
Foundation Capital
Founders Fund
gumi Cryptos
Kevin Durant
Kevin Hartz
Linda Xie
Mark Cuban
Michael Ovitz
Naval Ravikant
Paradigm
Stable Fund
Standard Crypto
Stanford StartX
The Chernin Group
Tobi Lutke
Y Combinator

Work & culture

Remote-first by design, small and fast-moving, ownership-oriented, and described in public postings as a talent-dense team that values trust, urgency, progress, and hands-on execution.

Work style

Remote

Compensation

Public job postings show U.S. base salary bands roughly from $140k-$210k for marketing, $195k-$280k for legal, and $270k-$350k for security, plus benefits and equity; internationally based pay varies by local market.

Benefits

100% medical, dental, and vision coverage for employees
90% medical, dental, and vision coverage for dependents
Flexible time off
Spring Health access with therapy and coaching sessions
Benefits plus equity in public postings

Product & market

Pricing

Transaction-fee marketplace; public token-trading coverage in 2025 cited a 0.9% fee on aggregated swaps.

Differentiators

  • —Non-custodial/self-custodial wallet model
  • —Broad multi-chain support
  • —Unified NFTs + token trading in OS2
  • —Developer tooling: APIs, SDKs, CLI, and MCP
  • —Large installed base and marketplace liquidity
  • —Mobile-first expansion

Technology

Kubernetes
React
React Native
Python
Django
Solidity
Ethereum
GraphQL
TypeScript
JavaScript
Docker
MongoDB
Snowflake
Fivetran
Prometheus
Grafana
Argo CD
Jenkins
GitHub
Discord

Customers

NFT collectors
digital creators and artists
traders
builders and developers
brands and IP partners
physical card collectors/traders

Competitors

Blur
Magic Eden
Rarible
Foundation
LooksRare
Mintable

Scale & contact

Estimated revenue

$300M-$400M

Estimated monthly visits

3.3M

Traffic estimate as of Jan 2026

support@opensea.io(917) 515-6169

Signals & risks

Layoff
Jul 2022

OpenSea cut about 20% of staff during the crypto winter and said it would have roughly 230 employees after the reduction.

Source
Layoff
Nov 2023

OpenSea cut roughly half its employees, over 100 people, as it pivoted to OpenSea 2.0.

Source
Other
Aug 2024

OpenSea said it received an SEC Wells notice and pledged $5M for legal fees for NFT artists and developers who receive Wells notices.

Source
Acquisition
Jan 2022

OpenSea acquired Dharma Labs and named co-founder and CEO Nadav Hollander as CTO.

Source
Acquisition
Apr 2022

OpenSea acquired Gem to invest in a pro-user experience and kept Gem operating independently.

Source
Acquisition
Jul 2025

OpenSea acquired Rally, adding Rally CEO Chris Maddern to its leadership as incoming CTO.

Source

Latest news

OpenSea acquires Rally as it continues to pivot to token trading

CoinDesk · Jul 2025

OpenSea acquired Rally, and Rally CEO Chris Maddern was named incoming CTO as OpenSea continued its move toward token trading and a mobile-first onchain experience.

OpenSea Announces OS2 Is Now Out of Beta: Token Trading Fully Live Across 19 Chains, New Rewards Program Launches, and Community Hub Revamped

OpenSea · May 2025

OpenSea said OS2 was out of beta, token trading was live across 19 chains, and a new rewards program called Voyages had launched.

Introducing OS2

OpenSea · Mar 2025

OpenSea introduced OS2 as a rebuilt platform with unified NFT and token trading, cross-chain purchasing, and liquidity aggregation.

Taking a stand for a better internet

OpenSea · Aug 2024

OpenSea said it had received a Wells notice from the SEC and pledged $5 million to cover legal fees for NFT artists and developers who receive Wells notices.

OpenSea cuts half of employees as CEO announces new direction

The Block · Nov 2023

OpenSea reduced headcount by about half as it shifted to OpenSea 2.0 and a smaller team structure focused on product and platform quality.

AboutBlogCareersDeveloper docsGitHub orgHelp CenterHomepageLinkedIn companyOpenSea StudioX / Twitter
SourcesOfficial about pageOfficial careers pageOpenSea homepageOpenSea blogOpenSea developer docsOpenSea StudioOpenSea Help CenterOpenSea LinkedIn company pageCrunchbase company profilePitchBook profileDealroom company profileThe Verge profile storyTechCrunch layoff reportThe Block acquisition reportCoinDesk acquisition report

Jobs and careers at OpenSea

2 jobs at OpenSea

Staff Platform Engineer

Remote
Engineering
Remote US or Remote EU
1mo ago
Remote
Full-time
Apply

Staff Product Designer

Remote
Design
Remote US or Remote EU
1mo ago
Remote
Full-time
Apply

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