$610 Million Defi Hack: Why didn't Binance and Circle Freeze Hacker Account?

Poly Network became the victim of the largest Defi hack in crypto history as hackers managed to drain $610 million worth of assets on Binance Smart Chain (BSC), Ethereum ($ETH), and Polygon. As per the latest development, the hacker behind the attack has agreed to return the fund and has demanded a secure multi-sig wallet from the Poly Network.