>>With Signal, it is not a single point of failure. The Android, iOS, desktop apps all do end-to-end encryption. I meant DoS attack not encryption. AFAIK all

>>With Signal, it is not a single point of failure. The Android, iOS, desktop apps all do end-to-end encryption. I meant DoS attack not encryption. AFAIK all of these secure "apps" are NOT decentralized. So if you can just block a certain IP, you'd have successfuly performed a DoS attack.