OpenSea Data Breach Results in User Information Leak

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OpenSea reminded its users to be aware of phishing emails

OpenSea announced a data breach on its Twitter account and company blog. The incident resulted in the exposure of OpenSea users’ email addresses. OpenSea reminded users to watch out for malicious actors.


  • OpenSea discovered that an employee of leaked the list of OpenSea customers’ emails to an unauthorized external party.
  • OpenSea customers are complaining of being the target of phishing attacks.
  • The marketplace lost over 30% of users over the last 24 hours partly due to the accident.
  • Some blue-chip collections are defying the bear market and achieving growth, such as CryptoPunk, Meetbits, and Moonbirds, seeing volume increase of 54%, 42%, and 20%. 

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How did it happen?

OpenSea, the world’s largest NFT marketplace, revealed an email vendor security incident to the public. OpenSea discovered that an employee of leaked the list of OpenSea customers’ emails to an unauthorized external party. According to OpenSea’s blog post, the platform has been serving OpenSea as an email delivery vendor. 

OpenSea reminded customers to be aware of malicious actors who may try to contact them using an email address that looks similar to its official email domain. The company also warned its users to be cautious of phishing emails trying to impersonate OpenSea. 

OpenSea has been experiencing some troubling times this year. In fact, the data breach that happened today is not a first-timer to OpenSea. In May, a hacker attacked the marketplace’s Discord server, leading to a series of phishing incidents. 

Following the Discord accident is the insider trading scandal. A former OpenSea employee was charged for using confidential information about NFTs for his personal financial gain. The person could face up to 40 years in prison as regulators target the crypto industry.

Some NFTs are heading up while OpenSea is going down

Since the incident, OpenSea has lost more than 30% of traders and 20% in volume over the past 24 hours, according to DappRadar NFT tracking. Obviously,  the data breach has hurt users’ confidence in the platform.

While OpenSea is busy cleaning the mess, some projects in the NFTs sector have witnessed significant traction within 24 hours Particularly blue-chip collections, such as CryptoPunks, Meetbits, and Moonbirds saw volume growth of 54%, 20%, and 42%, respectively. 

Additionally, Flow‘s most popular NFT collectibles, NBA Top Shot, has increased 342% over the last 24 hours, recording 13,102 in sales.

DappRadar will continue monitoring the latest developments of OpenSea, and. Follow us on Twitter, Discord, and Youtube to keep up with the dynamic blockchain world. 

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