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Technology Security Encryption

End-to-End Encryption

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