Read more: What is metadata and what does it mean? Data sharing This technology hides information about the sender and the recipient, so even the postage label is unreadable. In contrast, Signal developed a technology for protecting metadata called Sealed Sender. This means third parties may see information about the messages. Even without opening the box, you can already learn a lot by reading the label. If encryption is a lockbox, metadata is the postage label taped on top of it. While the content of messages is protected by end-to-end encryption, this metadata-information about the message-is not. Metadata includes information about who the message is sent to, when the message was delivered, and more. When you send out a message or a photo, you are also sending out metadata. While they use the same encryption, Signal has a number of security advantages over WhatsApp: Metadata protection This protocol is open-source and peer-reviewed, making it trustworthy. WhatsApp and Signal both use the same encryption protocol developed by Open Whisper Systems.

What exactly is behind this assertion? Between Signal and WhatsApp, which one is better? Read on for a detailed comparison.

Even we frequently recommend Signal as the most private messaging app out there. However, we often hear that Signal is more private and secure than WhatsApp. End-to-end encryption makes messaging more secure by making it impossible for any third party, including the app maker itself, to see the message contents. This technology works by scrambling the messages so that only the sender and receiver are able to put them back together.

WhatsApp and Signal both offer end-to-end encryption.

Signal chat app