| Encryption Algorithm | Uses a hybrid of asymmetric and symmetric encryption, supports automatic key rotation. |
| Message Tamper-Proofing | All messages are signed and verified to ensure content has not been altered. |
| Message Expiration | Set messages to auto-destruct after a certain time, e.g., delete after 5 minutes, clear history in 7 days. |
| Local Auto-Destruct | The client automatically deletes expired message data, which cannot be backed up or recovered. |
| Reporting & Anti-Harassment | Supports message reporting, blacklist management, abuse detection, etc. |