Protocol Comparison
Evaluate encryption standards, metadata policies, and jurisdictional risks across top secure communications applications.
search
| Application | Encryption Protocol | Metadata Logging | Jurisdiction | Open Source | Action |
|---|---|---|---|---|---|
| chat Signal | Signal Protocol (X3DH, Double Ratchet) | Minimal (Last connect date) | USA (Five Eyes) | check_circle | |
| forum Threema | NaCl (Curve25519, XSalsa20) | None | Switzerland (Non-14 Eyes) | check_circle | |
| mail ProtonMail | OpenPGP (RSA/ECC) | Subject Lines, Sender IP (temp) | Switzerland (Non-14 Eyes) | check_circle | |
| sms WhatsApp | Signal Protocol (E2EE) | Extensive (Contacts, Location, Device) | USA (Five Eyes) | cancel |