Signal is just another walled garden silo with no real value over WhatsApp just owned by a different organization. I won’t use anything which is not XMPP compatible.
It’s a good thing nothing critical depends on this, then!
Can you prove that anyone except you exists?
You’re reading this and you’re not me, qed.
I actually just wanted OP to consider it. I know there cannot be definitive proof.
I bet they didn’t consider this one when writing the law!
Can you prove your brain is more than a algorithmic probability engine albeit a powerful one?
https://monal-im.org/