- 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.
If you're looking for a free download of the Avengers Spreadtrum Module 1.0, I would recommend checking the official websites or forums related to Spreadtrum or Avengers, as they might have the most accurate and safe sources for such software.
Additionally, consider being cautious when downloading software from third-party sites to avoid any potential security risks.
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.