The hacker behind the biggest heist in crypto is now refusing to return the remaining funds

• The Poly Network hacker, ‘Mr White Hat’, has refused to cooperate and return the stolen coins; wants $33 million worth of stablecoins to be unfrozen.
• To make things comfortable for the attacker, the Poly Network team has $4 a $500,000 bounty for discovering the exploit.
• Getting back the stolen funds is of utmost priority as pressure from thousands of victims continues to mount.

The $4 happened two weeks ago, but the saga is far from over. The anonymous hacker — dubbed ‘Mr White Hat’ by the Poly Network team — managed to steal $614 million in digital coins. After returning a portion of the funds, they are now refusing to cooperate and are stalling the Poly Network team.

The hack is considered the largest $4 heist to date, and there seems to be little the Poly Network team can do except request the hacker to return the stolen coins peacefully.

The attacker — or attackers — are communicating with the Poly Network team via the $4 within the $4 blockchain. According to blockchain-tracking portal $4, the mysterious hacker is operating as "Poly Network Exploiter 1".


The USDT account the attacker is referring to has $33 million in stablecoins. Tether has frozen the funds, and that is irking the perpetrator the most.

The communication from the hacker indicates that he has no qualms in holding onto the stolen coins for an indefinite period. Soon, the Poly Network team got back to him with a message saying, "We still hope you can provide the key to us this week because thousands of users are waiting to get their assets back.


The Poly Network hack took place on August 10, and the hacker $4 $256 million worth of coins the next day. The hacker created a token called ‘The hacker is ready to surrender’ and sent it to the designated Polygon address as a show of cooperation.

The Poly Network hacker has been offered $500,000 as a bounty

To make things comfortable for the attacker, the Poly Network team has $4 a $500,000 bounty for discovering the exploit. It is prepared to send 160 ETH — equivalent to $500,000 — to the attacker's address, a gesture the hacker has rejected. The attacker has also been given an option to become an advisor for the decentralised finance or (DeFi) project.


Poly Network refers to the hacker as ‘Mr White Hat’ — a reference to ethical hackers who search for vulnerabilities and help organisations fix them. It's not clear why the hacker is withholding access to the final tranche of assets.

Poly Network controls around $330 million of the stolen assets, while stablecoin operator Tether has frozen $33 million of them pending a legal process. According to $4, hackers find it extremely difficult to get rid of their heist or encash it because the blockchain is transparent, putting every transaction detail out in the open.

"With the inherent transparency of blockchains and the eyes of an entire industry on you, how could any cryptocurrency hacker expect to escape with a large cache of stolen funds?" the company wrote in its $4. "In most cases, the best they could hope for would be to evade capture as the funds sit frozen in a blacklisted private wallet."

It's impossible to know the hacker's intention — whether his actions were an ethical attack or an actual heist. However, the underlying motive doesn't seem to be of consequence for the Poly Network team right now.


Getting back the stolen funds is of utmost priority as pressure from thousands of victims continues to mount. The attack is also a wake-up call for governments and regulators to take $4 regulation seriously. Currently, in a grey area, there's close to zero accountability, posing a considerable risk for the future of DeFi.

“Regardless of their intentions, we’re of the belief that this sort of publicity stunt hurts the perception of the virtual asset economy in the eyes of the public,” said AnChain.AI founder and CEO $4.

DeFi-related frauds are on the rise, and according to $4, the first seven months of the year accounted for 54% of total crypto fraud volume versus 3% for all of last year.

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