"It's scary to imagine what the Stasi would have been able to accomplish with today's surveillance technology." Basically what Western governments do presently

"It's scary to imagine what the Stasi would have been able to accomplish with today's surveillance technology." Basically what Western governments do presently. You raise a good point about the metadata being very useful to malicious entities. This is why I do not recommend Signal. And you are forced to be tied to a number.