On the day 2018–12–19, Most of gambling dapp was suffered roll back attack,including Betdice,EOSMax,Tobet etc. Caluclating at the price of 18 rmb each EOS, it had loss over 500 million rmb. At the same time, during the period, BetDice issued multiple announcements through the lianjinshu platform, which caused panic.
At the same time, the SlowMist security team gave a temporary plan for the exchange and the centralized wallet. At this moment, the attack method is still a mystery. So, what exactly is the attack method? Before you can conduct an attack review, you need to understand a little technical background.