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End-to-End Encryption

Messaging Security Message Encryption Models Signal Protocol WhatsApp Security Privacy Protections PQ3 Voice Chats Skype Bitcoin-style Encryption Private Processing Cross-Platform Messaging User Authentication Curve25519 and AES-GCM Universal Profile 3.0 Data Privacy Messaging Layer Security Public Key Verification Key Verification Passkeys Chat Backups Privacy Concerns Public Key Cryptography User Privacy