Hackers behind one of the biggest ever cryptocurrency heists have returned more than a third of $613 million in digital coins they stole, the company at the center of the hack said on Wednesday, according to Reuters.
Poly Network, a decentralised finance platform that facilitates peer-to-peer transactions, said on Twitter that $260 million of the stolen funds had been returned but that $353 million was outstanding.
The company, which allows users to swap tokens across different blockchains, said on Tuesday it had been hacked and urged the culprits to return the stolen funds, threatening legal action.
The hackers exploited a vulnerability in the digital contracts Poly Network uses to move assets between different blockchains, according to blockchain forensics company Chainalysis.
A person claiming to have perpetrated the hack said they did it „for fun” and wanted to „expose the vulnerability” before others could exploit it, according to digital messages shared by Elliptic, crypto tracking firm, and Chainalysis.
It was „always the plan” to return the tokens, the purported hacker wrote, adding: „I am not very interested in money.”
The hackers or hacker have not been identified, and Reuters could not verify the authenticity of the messages.
Tom Robinson, co-founder of Elliptic, said the decision to return the money could have been prompted by the headaches of laundering stolen crypto on such a scale.
„Even if you can steal cryptoassets, laundering them and cashing out is extremely difficult, due to the transparency of the blockchain and the broad use of blockchain analytics by financial institutions,” said Robinson.
Banking 4.0 – „how was the experience for you”
„So many people are coming here to Bucharest, people that I see and interact on linkedin and now I get the change to meet them in person. It was like being to the Football World Cup but this was the World Cup on linkedin in payments and open banking.”
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