OpenSea has raised $100M at a $1.5B valuation.
OpenSea has raised $100M at a $1.5B valuation.
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Check Point Research heads off theft of OpenSea’s crypto wallets

  • Posted byby Dean Takahashi
  • Updated
  • 4 min

Check Point Research found a flaw in OpenSea‘s crypto wallets and warned the fast-growing blockchain goods marketplace company before anyone started pickpocketing crypto wallets.

The security tech firm said its warning helped prevent thefts on OpenSea, which is the world’s largest marketplace for non-fungible tokens (NFTs, which use the transparency and security of the blockchain digital ledger to authenticate NFTs, or one-of-a-kind digital items). OpenSea recently raised $100 million at a $1.5 billion valuation because of the strength of its NFT sales.

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Written by

Dean Takahashi

Dean Takahashi is editorial director for GamesBeat. He has been a tech journalist since 1988, and he has covered games as a beat since 1996. He was lead writer for GamesBeat at VentureBeat from 2008 to April 2025. Prior to that, he wrote for the San Jose Mercury News, the Red Herring, the Wall Street Journal, the Los Angeles Times, and the Dallas Times-Herald. He is the author of two books, "Opening the Xbox" and "The Xbox 360 Uncloaked." He organizes the annual GamesBeat Next, GamesBeat Summit and GamesBeat Insider Series: Hollywood and Games conferences and is a frequent speaker at gaming and tech events. He lives in the San Francisco Bay Area.