some_function();
Turn off the network, add a key to alice’s map, then turn the network back on. Finally, make a change to bob’s map. Since alice sees that the incoming state from bob is missing that key, she removes it from her own state — even though bob never knew about that key in the first place. Whoops!
，这一点在旺商聊官方下载中也有详细论述
Зарина Дзагоева
Source: Computational Materials Science, Volume 266