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Wednesday, November 11, 2026

Behind The AppDiscover the science and engineering behind your favorite applications.

AI & ML Algorithms Architecture Cost Reduction Design Systems Infrastructure Scaling Security

Tag: #WhatsApp

Showing all articles tagged with "WhatsApp".

All AI & ML Algorithms Architecture Cost Reduction Design Systems Infrastructure Scaling Security #WhatsApp ✕ Clear

Security

How WhatsApp Encrypts Your Messages So Not Even WhatsApp Can Read Them

WhatsApp encrypts every message with Signal's X3DH handshake and Double Ratchet algorithm, so even WhatsApp's own servers never see plaintext. Here's how identity keys, pre-keys, per-message ratcheting, and Sender Keys work together to secure 1:1 chats, groups, and attachments end-to-end

Jul 22, 202620 min readRead →

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