The attacker behind the Poly Network cross-chain protocol reimbursed all $85 million, stolen from the Polygon network.
$342 million (As of 12 Aug 08:18:29 AM +UTC) of assets had been returned:
Ethereum: $4.6M
BSC: $252M
Polygon: $85MThe remaining is $268M on Ethereum
— Poly Network (@PolyNetwork2) August 12, 2021
Earlier he had already returned all $253 million from the Binance Smart Chain.
Subsequently, the hacker began transferring funds from the Ethereum blockchain. The Poly Network wallet has already received over $4.5 million in various tokens.
As of writing, the remaining portion of the stolen cryptocurrency valued at $268 million remains on the attacker’s Ethereum wallet: 28,954 ETH, 96,942,062 DAI, 1,032 WBTC and 33,431,234 USDT.
In August, Poly Network was subjected to an attack on the Ethereum, Binance Smart Chain and Polygon blockchains. The total damage amounted to $611 million across various cryptocurrencies. Some of the stolen funds, for example in USDT, were blocked.
On August 11, the hacker stated his intention to return the funds. The project team has created three wallets for this purpose. Experts suggested that one reason for the restitution was that the hacker disclosed personal data.
Earlier, developer Kelvin Fichter provided a detailed breakdown of the attack mechanism on Poly Network.
An expert explained the mechanism behind the $611 million Poly Network hack
Subsequently, the attacker admitted that he hacks for fun, and Poly Network chose it because cross-chain hacking is “hot”.
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