http://ssd.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/ps/module/how-use-whatsapp-ios
WhatsApp does still provide end-to-end encryption , which ensures that a message is turned into a secret message by its original sender, and decoded only by its final recipient. We take no issue with the way this encryption is performed. In fact, we hope that the encryption protocol WhatsApp uses, the Signal Protocol , becomes more widespread in the future.