OpenSea

Private

OpenSea is a decentralized marketplace for NFTs and digital assets. Originally the world's largest NFT marketplace, the platform has evolved into a multi-chain trading platform supporting NFTs and token trading across 22+ blockchains. Founded after being inspired by CryptoKitties, the platform relaunched as OS2 in 2025 with cross-chain functionality and reduced fees.

Company

Founded
2017
Headquarters
New York, United States

Financials

Total Funding
$427M
Last Valuation
$13.3B

Funding History

5 rounds
Series A Mar 18, 2021
$23M
Seed Jan 1, 2020
$2M
Seed May 1, 2018
$2M

Funding data is compiled from multiple independent sources including company announcements, press coverage, and regulatory filings. While we strive for accuracy, amounts and dates may reflect reported figures at time of announcement.