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The Guardian - UK
The Guardian - UK
Technology
Dan Milmo and agency

Users of biggest NFT marketplace warned over phishing after data leak

Illustration picture of NFT marketplace Opensea
Opensea said its email database had been passed to an unnamed ‘unauthorised external party’ by an employee at a firm used by the company to send automated emails. Photograph: Florence Lo/Reuters

The world’s biggest marketplace for non-fungible tokens (NFTs) has warned its users to be on the alert for email phishing attacks following a massive data leak.

OpenSea, where traders exchange the crypto assets, told customers and newsletter subscribers not to open emails and files “sent by strangers” after revealing the breach.

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