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What Happens When an Encrypted App Gets Hacked?

Quick Answer

It depends on the architecture. If the app stores data on servers, hackers get that data. With zero-knowledge architecture like zkChat, hackers get only encrypted blobs they can't decrypt.

Detailed Explanation

When a messaging service gets breached, what hackers obtain depends entirely on what the server stores. Telegram breach: access to all non-secret-chat messages in plaintext. WhatsApp breach: access to metadata, contacts, groups, and potentially unencrypted backups. Signal breach: minimal data (phone numbers and last-seen timestamps). zkChat breach: encrypted blobs that are cryptographically impossible to decrypt (keys are never on the server), no user identities (no accounts exist), no metadata (none is collected), and most data would already be destroyed (ephemeral). This is why zero-knowledge architecture matters — it's not about preventing breaches (which are always possible), it's about making breaches worthless.

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