Yes, if Signal has effectively removed ratcheting and forward secrecy from the logical "encryption protocol" by encrypting all messages (even disappearing messages) with a single static key that never changes for your lifetime and sending them to the cloud, then all this talk about "post-quantum ratchets" is theater. There are no ratchets.
Yes, if Signal has effectively removed ratcheting and forward secrecy from the logical "encryption protocol" by encrypting all messages (even disappearing messages) with a single static key that never changes for your lifetime and sending them to the cloud, then all this talk about "post-quantum ratchets" is theater. There are no ratchets.