In this attack, the attacker immediately stole the funds and could start spending them. A hard fork would be impractical–what do you do about all of the transactions that occur downstream? What about the people who innocently traded assets with the attacker? Once the ether they’ve stolen…A hacker stole $31M of Ether — how it happened, and what it means for Ethereum9.6K153Haseeb QureshiBen StokmanFollowJul 21, 2017 · 1 min readReset everything spent from reset multi signiture wallets. it’s mostly a matter of finding them.