Question

What is end-to-end encryption and why is it important?

Answer 1

End to end encryption is very important because it helps maintain privacy between two nodes.

Answer 2

End-to-end encryption (E2EE) is a system of communication where only the communicating users can read the messages. ... The systems are designed to defeat any attempts at surveillance or tampering because no third parties can decipher the data being communicated or stored.
Using end to end encryption, an instant messaging application can defeat the purpose of hackers exploit the data of its users, thereby securing their privacy