Earlier this year, WhatsApp implemented platform-wide, end-to-end encryption, based on the Signal Protocol: https://techcrunch.com/2016/04/05/whatsapp-completes

Earlier this year, WhatsApp implemented platform-wide, end-to-end encryption, based on the Signal Protocol: https://techcrunch.com/2016/04/05/whatsapp-completes-end-to-end-encryption-rollout/ https://techcrunch.com/2016/04/05/whatsapp-completes-end-to-... That should be applauded.