OpenSea, Ethereum’s largest NFT marketplace, was hacked for the second time in the same week. An anonymous thief has stolen several NFT pieces worth around 150 ETH and is now selling them on another platform.

Digital Theft

According to WuBlockchain, 8 NFT parts were stolen, including Cool Cat NFT #9575, #7218, #3537, #1546 and Bored Ape Yacht Club #6623, #1397, #775 and #2068. As the Nftgo tracker suggests, the anonymous thief’s holdings currently stand at $117,000.

Someone has again exploited the OpenSea vulnerability for profit. The NFTs involved are Cool Cat #9575 #7218 #3537 #1546 and BAYC #6623 #1397 #775 #2068, the profit is close to 150 ETH. OpenSea is suspected of blocking his address, he sells on LooksRare. https://t.co/0tN0k5lgBu pic.twitter.com/gWM1lrVWmX

— Wu Blockchain (@WuBlockchain) January 28, 2022

The mentioned products sold on the LookRare NFT marketplace are often presented as the main competitor of OpenSea, which offers rewards to both the seller and the buyer.

Apparently, OpenSea prevented an anonymous hacker from selling on the platform by blocking his address.

The same technique was used after an anonymous hacker stole approximately $600 million from PolyNetwork. Most exchanges that have enough liquidity to receive funds have blacklisted wallet addresses.

Two holes in one week

Unfortunately for NFT holders, current mining is not the first problem the platform has had, as another anonymous thief stole around 347 ETH by buying NFT shards listed on OpenSea at a significantly cheaper price.

Aside from the biggest NFT market having security issues, previously provided NFT profile pictures on Twitter can actually be replaced by recasting the same NFT from the collection.

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