When a third party app says they offer “end to end encryption,” what does that mean?

Question

When messaging/journaling/etc apps say this, what does it actually mean, and why does it give people reassurance that their private info is safe?

In: 111

Answer 1

Content is encrypted before it leaves your device, and is only decrypted when it reaches the other person’s device. It has been encrypted from **one end to the other**.