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End-to-End Encryption

Data Protection Messaging Apps Apple Client-Side Scanning User Authentication User Privacy PQXDH Algorithm Data Security Privacy Protection WhatsApp Security Bitcoin-style Encryption User Safety WhatsApp Noise Protocol Framework Backdoors Apple Advanced Data Protection Key Verification Passkey Encryption User Trust Secure Communication Man-in-the-Middle Attacks Privacy Concerns Protocols Privacy Features DAVE Protocol iCloud Security Apple iCloud Apple Inc. Signal