Happened in August 2021 and is considered as the biggest heist in cryptocurrency history. The decentralized finance platform lost $611 million to a single hack in just one day. One strange twist to this story is that the hacker returned over $260 million of the stolen cryptocurrency soon after.
and the thing is, the attackers said that they did it because they foind a vulnerability in polynetwork and they are just going to safe keep the stolen assets until polynetwork manages to fix it
