This isn't completely true, while linked devices probably can't do everything, they do act as independent message endpoints. Messages fan out sender-side, are e

This isn't completely true, while linked devices probably can't do everything, they do act as independent message endpoints. Messages fan out sender-side, are encrypted and sent separately to each device of the recipient [1]. [1] https://github.com/signalapp/Signal-Android/blob/9b2c2ed66d854b7abb8ed1a29e976a516ab2ce67/lib/libsignal-service/src/main/java/org/whispersystems/signalservice/api/SignalServiceMessageSender.java#L2881 https://github.com/signalapp/Signal-Android/blob/9b2c2ed66d8...