Technology ❯ Security ❯ Encryption

End-to-End Encryption

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

X Releases XChat on iOS With Encrypted Messaging and No-Ads Pitch

The launch marks X’s shift toward standalone apps under xAI.

XChat Hits App Store With April 17 Launch for Encrypted, Ad-Free Messaging

WhatsApp Web Begins Rolling Out Native Voice and Video Calls

Apple Prepares RCS End-to-End Encryption in iOS 26.3 Beta

World Reboots App as a Super App With Encrypted Chat and In‑Chat Crypto

Russia Blocks FaceTime as iMessage Remains Accessible, Prompting APNs Theory

Google Enables RCS Archiving on Work Android Phones So Employers Can Access Texts

X Starts Rolling Out 'Chat,' an Encrypted Replacement for DMs on iOS and Web

X Widens Rollout of XChat Encrypted DMs to More Users

Google Messages Beta Adds QR Code Key Verification for RCS Chats

iOS 26 Code Points to Apple Testing End-to-End Encryption for RCS

Bitchat Beta Hits 10,000-User Cap and Moves to App Store Review

Google Messages Introduces Beta RCS Editing for Android-to-iPhone Texts

X Begins Beta Rollout of XChat for Paid Subscribers as Encryption Claims Face Scrutiny