http://uwb25d43nnzerbozmtviwn7unn7ku226tpsjyhy5n4st5cf3d4mtflqd.onion/posts/e2ee/index.html
In Settings → Privacy → Phone Number , set both Who can see my number and Who can find me by number to Nobody . We recommend that you select a profile name and photo that won't be useful for establishing your identity. For voice and video calls, Signal reveals the IP address of both parties by default, which could also be used to identify Signal contacts.