FenixUz uses Telegram's audited MTProto 2.0 protocol. VipAds LLC stores no backend data whatsoever.
A transport protocol developed by Telegram and audited by cryptography experts. AES-256-IGE and RSA-2048 algorithms.
Secret chats are protected with E2E encryption based on the Diffie-Hellman algorithm. Only you and your conversation partner can read them.
Additional password protection beyond the SMS code. Native app lock (Face ID / Touch ID / PIN).
See all devices connected to your account and remotely sign out at any time.
Auto-clearing timers for chats, from 1 day to 1 month. Self-destruct media.
Verifiable builds via F-Droid and GitHub Actions β every release fully matches its source code.
| Component | Algorithm | Details |
|---|---|---|
| Transport encryption | AES-256-IGE | Symmetric block cipher for cloud chats |
| Key exchange | Diffie-Hellman 2048-bit | Ephemeral keys for secret chats |
| Signing | RSA-2048 + SHA-256 | Server-client authentication |
| Hash function | SHA-256 | Message integrity and key derivation |
| Local storage | SQLCipher / Keychain | iOS Keychain and Android EncryptedSharedPreferences |
| Certificate pinning | TLS 1.3 | Mandatory verification of Telegram server certificates |
Complete code audit by the Berlin-based security firm. No critical vulnerabilities found.
Compliance with the Mobile Application Security Verification Standard at level L2.
Information security management system certification for current operational processes.