TL;DR: No one in the crypto ecosystem will ever say 15 May 2019 was boring. Mere minutes into the scheduled Bitcoin Cash (BCH) network upgrade, an unrelated bug was found, timed to be exploited for maximum negative
media coverage. After developers heroically patched a fix, Calin Culianu noticed the attacker(s) left themselves wide open. He went from being frustrated to telling CoinSpice, “Damn,
it felt good to hit the attackers back,” having pruned their addresses of funds used to act maliciously toward the BCH community. Here’s how he did it.
