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.
(An impromptu piece for one spectator, using a borrowed object.)
But you don’t remember the moment when you let go of certainty. That’s the only moment magic ever needs.” If you’d like me to reconstruct or analyze an effect from page 138 based on known Classic Fantastic descriptions, just share the name of the trick or a few keywords from that page. Paul Vigil Classic Fantastic Pdf 138
A spectator freely borrows any small object (a ring, a key, a coin). You never touch it. By the end, that object appears inside a folded slip of paper that has been in plain view the entire time—yet the paper was never approached, switched, or gimmicked. (An impromptu piece for one spectator, using a
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.