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The Knowledge Hub

Explore insights on private communication, secure calls, and encrypted messaging.

January 21, 2026

Secure Communication Without Personal Identifiers: Messenger Comparison

A practical guide to secure messengers that create user identity without phone numbers or emails—and how modern architectures make this possible.

January 13, 2026

How to Delete an Account in Messaging Apps — And Why It Still May Not Be Enough

Deleting a chat app account is not always the same as deleting your data. This guide explains the risks, GDPR requirements, and safer communication alternatives.

December 17, 2025

How Messaging Apps Store Your Data — and Why It Matters More Than Ever

Learn how popular messaging apps store and retain your data, compare privacy models, and see when EXTRA SAFE is the best choice for secure communication.

November 10, 2025

Are Your Video Calls Really Private? A Look at E2EE in 2025

Video calls have quietly become our modern meeting rooms, deal tables, coaching studios, and brainstorming spaces. Yet despite how “secure” the big platforms claim to be, most still rely on server-based processing, metadata collection, and partial encryption.

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