Username Privacy
- Unlike other messaging apps, Signal cannot easily see or produce the usernames of given accounts.
- Usernames in Signal are protected using a custom Ristretto 25519 hashing algorithm and zero-knowledge proofs.
Mortal Engines is a 2018 post-apocalyptic science fantasy film directed by Christian Rivers and produced by Peter Jackson, based on the 2011 novel of the same name by Philip Reeve. The movie is set in a world where cities have become mobile and prey on smaller towns.
Mortal Engines is a 2018 post-apocalyptic science fantasy film directed by Christian Rivers and produced by Peter Jackson, based on the 2011 novel of the same name by Philip Reeve. The movie is set in a world where cities have become mobile and prey on smaller towns.
In addition to other group attributes that are end-to-end encrypted (such as group names, group descriptions, and group avatars), the Signal service also doesn’t have access to any information about which accounts are part of a group, which accounts are admins in a group, which accounts can add new people to a group, which accounts can approve requests to join a group, or which accounts can send messages in a group.