Blog

PRIVACY, ENCRYPTION
& SECURITY.

Guides, explainers and news about protecting your data.
By the Hashe team, from France.

Comparison

Best Encrypted Messaging Apps in 2026: A Full Comparison

The top WhatsApp alternatives for privacy. Signal, Telegram, Hashe: we compare them all.

March 28, 2026 READ →
Security

Ephemeral Messaging: Which Apps Actually Delete Your Messages?

Every app promises to delete your messages. But which ones actually do it?

March 25, 2026 READ →
News

WhatsApp Shares Your Data with Meta: What It Means for You

Your phone number, contacts, habits: what Meta knows about you through WhatsApp.

March 22, 2026 READ →
News

Signalgate: Why Encrypted Messaging Became a Political Issue

When U.S. government officials use Signal to discuss military strikes.

March 20, 2026 READ →
Legislation

Chat Control in Europe: What It Means for Your Private Messages

The EU wants to scan your messages. What is Chat Control and why is it dangerous?

March 17, 2026 READ →
Guide

What Is End-to-End Encryption? A Simple Explanation

E2E encryption explained clearly, without technical jargon.

March 14, 2026 READ →
Guide

What Is the Signal Protocol? How Does It Work?

Double Ratchet, Curve25519, Perfect Forward Secrecy: the protocol protecting billions of messages.

March 11, 2026 READ →
Guide

What Is Sealed Sender and Why Does It Matter?

Even the server does not know who sent the message. Here is how it works.

March 8, 2026 READ →
Security

Metadata: What Your Messaging App Knows Without Reading Your Messages

Who, when, how long, how often. Metadata reveals more than the content itself.

March 5, 2026 READ →
Guide

How to Protect Your Phone Privacy in 2026

Permissions, VPN, encrypted messaging, settings: the complete guide.

March 2, 2026 READ →
Guide

What Are Ephemeral Messages and How Do They Work?

Server-side vs client-side deletion. What actually disappears.

February 27, 2026 READ →
Security

Why Cloud Backups Are a Privacy Risk

iCloud, Google Drive: how your backups can undo end-to-end encryption.

February 24, 2026 READ →