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Company records / opensea.io

OpenSea

OpenSea (opensea.io): 3 changes recorded in its website history since February 2018. Homepage last checked 6 November 2026.

Recorded changes

Newest observations first. Each interval bounds when the website changed; it is not an exact event date.

  1. HeadlineBetween and
    BeforeThe largest marketplace for rare items
    AfterDiscover, collect, and sell extraordinary NFTs

    Observed on the company’s website; business claims are not independently verified.

  2. HiringBetween and

    Added a careers page.

    Observed on the company’s website; business claims are not independently verified.

  3. HeadlineBetween and
    BeforeBuy, sell, and discover crypto assets
    AfterThe largest marketplace for crypto collectibles

    Observed on the company’s website; business claims are not independently verified.

First recorded website

Observed 15 February 2018

Our earliest capture with readable facts. This is our first observation, not when the company introduced these things. These website claims are not independently verified.

How it described itself

Buy, sell, and discover crypto assets

A peer-to-peer marketplace for rare digital items and crypto collectibles. Buy, sell, auction, and discover CryptoKitties, CryptoCelebrities, and many more. Over 100,000 crypto assets on sale now!

All facts above belong to this capture. Unlisted fields mean we have no readable observation, not that they were absent.

How it describes itself

Similar headlines are grouped together. The quote shown is from the last capture in each group, not necessarily the exact wording throughout that period.

  1. July 2021 – January 2022 · 2 captures · latest observed messagingDiscover, collect, and sell extraordinary NFTs

    A peer-to-peer marketplace for NFTs, rare digital items and crypto collectibles. Buy, sell, auction, and discover CryptoKitties, Decentraland, Gods Unchained cards, blockchain game items, and more. Ov

    This wording observed 1 January 2022.

    Inspect 2 captures in this group
    • 1 July 2021 · Discover, collect, and sell extraordinary NFTs archived page
    • 1 January 2022 · Discover, collect, and sell extraordinary NFTs archived page
  2. July 2018 – January 2021 · 6 capturesThe largest marketplace for rare items

    A peer-to-peer marketplace for rare digital items and crypto collectibles. Buy, sell, auction, and discover CryptoKitties, Decentraland, Gods Unchained cards, blockchain game items, and more. Over 100

    This wording observed 19 January 2021.

    Inspect 6 captures in this group
    • 2 July 2018 · The largest marketplace for crypto collectibles archived page
    • 1 January 2019 · The largest marketplace for crypto collectibles archived page
    • 5 July 2019 · The largest marketplace for crypto collectibles archived page
    • 16 March 2020 · The largest marketplace for crypto collectibles archived page
    • 16 July 2020 · The largest marketplace for rare items archived page
    • 19 January 2021 · The largest marketplace for rare items archived page
  3. Seen February 2018 · 1 captureBuy, sell, and discover crypto assets

    A peer-to-peer marketplace for rare digital items and crypto collectibles. Buy, sell, auction, and discover CryptoKitties, CryptoCelebrities, and many more. Over 100,000 crypto assets on sale now!

    This wording observed 15 February 2018.

Summary of the record · AI-written

Written by an AI model on 7 November 2026 from the dated observations above; this is not the date the changes happened; each point links to the changes it rests on.

Recent website and hiring-related changes at OpenSea

OpenSea has changed its homepage headlines multiple times and added a careers page. The wording shifts highlight different ways of presenting crypto assets, collectibles, and NFTs.

  • Between February 2018 and July 2018, OpenSea changed its homepage headline from “Buy, sell, and discover crypto assets” to “The largest marketplace for crypto collectibles”. [1]
  • Reading: Between July 2019 and March 2020, OpenSea added a careers page, which suggests it was advertising jobs on its site in that window. [2]
  • Between January 2021 and July 2021, OpenSea changed its homepage headline from “The largest marketplace for rare items” to “Discover, collect, and sell extraordinary NFTs”. [3]
  • Reading: The shift in homepage wording between February 2018 and July 2018, and again between January 2021 and July 2021, suggests evolving marketing focus around crypto collectibles and NFTs. [1][3]

Cite this record

StartupHistory, “OpenSea” company record, https://startuphistory.org/c/opensea.io

Machine-readable: /c/opensea.io.json. How changes are found: method.