Privacy
Posts about Privacy.
6 min read
Privacy
Beyond the Padlock Icon: How Diffie-Hellman, the Double Ratchet, and Post-Quantum Cryptography Protect a Chat where SimXmil fits in
SimXmil — the end-to-end encrypted messaging platform previously built by Guhya Technologies — follows broad protocol family for its core chat security: an ECDH-based key and log no metadata
3 min read
Privacy
Can AI Assistants Read Your Encrypted Chats? On-Device Encryption in the AI Era
With AI features built into more messaging apps in 2026, a fair question is whether an AI model ever sees your plaintext. Here's where on-device encryption draws the line.
4 min read
Privacy
Metadata Privacy: What End-to-End Encryption Doesn't Hide (And What SimXmil Does About It)
Encrypting your messages protects the content — not who you talked to, when, or how often. A practical look at metadata privacy and how SimXmil narrows that gap.
3 min read
Privacy
Why an Encrypted Messenger Without a Phone Number Matters
How chat apps that require a phone number create privacy risks — and why SimXmil offers free encrypted voice calls and chats without SIM linking.