Earlier quoted context omitted.
> All bets are on centralized and/or proprietary ones that can afford to pay for the privilege Or not. App like Silence ( https://silence.im/ ) have been able to do secure e2e messaging using SMS as transport layer for almost one decade now.
SMS makes it very hard to be anonymous. Not a good option IMO.
How is that even related ?
Silence is the equivalent of Signal over SMS instead of the usual Mobile Data: There is nothing by design in Signal to stay anonymous.
E2E encryption are mainly there to prevent eyes dropping, not to provide anonymity.