- 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.
These are standalone, all-in-one handheld units that do not require a phone. They feature integrated high-powered flashlights. FirePRO Series - Personal Thermal Camera For Firefighters
: An entry-level option with a 206 x 156 sensor. It is ideal for homeowners checking for insulation gaps or air leaks up to 1,000 feet away. Seek Thermal CompactPRO Go to product viewer dialog for this item.
: Features a high-resolution 320 x 240 sensor and adjustable thermal span and emissivity for professional inspections. Seek Thermal CompactXR Go to product viewer dialog for this item.
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.