- 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.
This often leads to structures resembling the Alekhine Defense. White gains space with the e5 pawn, while Black tries to undermine the white center. Why Play the Alapin?
Black generally has two main ways to challenge White’s setup. Because 2.c3 takes away the natural square for the Queen's Knight, Black strikes back immediately: 1. The Dynamic 2...d5 Starting Out: The c3 Sicilian
🛡️ The positions are generally more "logical." If you understand pawn structures and piece activity, you can outplay your opponent even if they know more opening theory. This often leads to structures resembling the Alekhine
In many lines, the d4 pawn can become an isolated queen's pawn (IQP). Learn how to play with—and against—this specific structure. Starting Out: The c3 Sicilian
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.