“End-to-end encryption” (Peer-To-Peer Encryption)

Encryption from the sender to the recipient. Transmitted data are encrypted by the sender before they are sent and only decrypted by the recipient.

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Here, data is encrypted before transmission and decrypted after reception.
The sender and recipient are connected to each other equally, which enables secure communication.

Source: https://www.secupedia.info/wiki/Ende-zu-Ende-Verschl %C3% BCsselung # ixzz6qUl7LAQa

Image source: https://medium.com/@simpledex.org/peer-to-peer-end-to-end-encrypted-conversations-are-they-really-private-1c9510b08f62