"Dear Hacker. We want to establish communication with you and urge you to return the hacked assets. The amount of money you hacked is the biggest one in DeFi history. Law enforcement in any country will regard this as a major economic crime and you will be pursued,” the message says.
Thus, the perpetrator withdrew about $604 million in cryptocurrency by a few operations. The blockchains were attacked consequently one by one and the company succeeded to identify three addresses to which the currency was transferred. Poly Network appealed to the miners of violation networks and exchanges to put blacklist tokens coming from these addresses.
Poly Network team also left three purses for a hacker for different cryptocurrencies with the request to return the money. The perpetrator has already returned $4.8 million.
The analytics supposed that the hacker decided to return the money because even if a person stole crypto assets, it is hard to withdraw them and launder them due to the transparency of the blockchain system.
As we reported, the US Department of the State offers the reward of 10 million dollars for those who provide information about hackers controlled by foreign governments; these unidentified culprits are known for their cyber attacks on critical infrastructures of the United States.