There are, of course, different points of tradeoffs for everything related to security. So yours is not an argument that supports Signal’s feature set. Yes for

There are, of course, different points of tradeoffs for everything related to security. So yours is not an argument that supports Signal’s feature set. Yes for “complete” security by all means use your own optical fiber network and your own crypto, with a touch of quantum cryptography custom made by Bruce Schneier et al just in case. We’re talking about someehing else here though.