Highlighted by Arturo Villanueva
From A hacker stole $31M of Ether — how it happened, and what it means for Ethereum by Haseeb Qureshi
Having sounded the alarm bells, a group of benevolent white-hat hackers from the Ethereum community rapidly organized. They analyzed the attack and realized that there was no way to reverse the thefts, yet many more wallets were vulnerable. Time was of the essence, so they saw only one available option: hack the remaining wallets before the attacker did.
From A hacker stole $31M of Ether — how it happened, and what it means for Ethereum by Haseeb Qureshi
By exploiting the same vulnerability, the white-hats hacked all of the remaining at-risk wallets and drained their accounts, effectively preventing the attacker from reaching any of the remaining $150,000,000.