The Poly Network hacker, or hackers, have returned the final piece of the $610 million they had stolen from the DeFi network nearly two weeks ago.
Via a blog post on Monday, Poly Network confirmed that they had successfully retrieved the remaining 28,953 ETH and 1,032 WBTC, worth about $141 million. This was possible only after the hacker, dubbed “Mr. White Hat,” shared a private key to the multi-signature wallet holding the funds through an on-chain message.
Poly Network was hit by a major hack earlier this month, resulting in the loss of over $600 million in crypto-funds. This was by far the costliest hack in the history of the DeFi space, albeit one with a happy ending.
Some analysts have claimed that the hackers were able to exploit a vulnerability on the network. A vulnerability that gave them access to the transfer of these funds to their own accounts. Others, however, have suggested that “Mr. White Hat” was able to obtain Poly Network’s private keys.
While the hackers asserted that the exercise was only recreational, experts believe that it is simply too difficult for them to launder such a huge amount of money. Especially since all of the transactions would have been stored on the blockchain.
Nevertheless, the hackers had immediately promised to return all the stolen funds after opening a dialogue with their victim. In the last transaction, they even…