The hack, which occurred on 10 August, saw millions in Ethereum, BSC and Polygon cryptocurrencies stolen by exploiting a vulnerability on the platform which allows users to move their assets between different blockchains.
But the funds are slowly being returned to their original wallet, owned by Poly Network, with all the BSC and Polygon refunded and around $268m in Ethereum still missing. With the money slowly coming back to the firm, it is now thought that the attack may be perpetrated by white hat hackers who use their abilities ethically to reveal flaws in computerised systems.
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 Poly Network itself...