Sealed Sender: Hiding Who Talks to Whom
A technical deep-dive on RVNT's sealed sender: how encrypting the sender certificate to the recipient hides the from-to routing pair, and how forgery, replay, and abuse are handled.
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Technical writing about cryptography, privacy, and the surveillance state we are building tools to resist.
The Anthropic Recall: How Centralized AI Threatens Decentralized Privacy
A breakdown of today's US government export control directive targeting Anthropic, the vulnerabilities of centralized AI architectures, and why decentralized, sovereign communications are vital.
Read article →Chat Control, Explained: The EU's Fight Over Scanning Your Messages
EU Chat Control explained: what the CSA Regulation proposes, why client-side scanning breaks end-to-end encryption, the 2025-2026 timeline, and its current status.
ReadMetadata Is the Message
"It's just metadata" is a dangerous phrase. Who you talk to, when, and how often can reveal more than what you said — and RVNT is built to minimize it.
ReadCan Your Employer Read Your Messages? Workplace Surveillance Explained
Can my employer read my messages? Yes for work email, Slack and Teams DMs, and company devices. Here's what they legally can and can't see in 2026 — and how to separate personal from work.
ReadRVNT vs Signal: An Honest Comparison
Signal is the gold standard for encrypted messaging. Here is where RVNT agrees, where it diverges, and the honest tradeoffs of each — no strawmen.
ReadHow to Contact a Journalist Securely: A Source's Guide
How to contact a journalist securely: SecureDrop, Signal usernames, the metadata problem, OPSEC, and the honest limits no encryption tool can fix.
ReadHow to Remove Your Information From Data Brokers
A practical 2026 guide to remove your information from data brokers: the free DIY opt-out process, California's DROP, paid services, and why removal is ongoing.
ReadSignal vs Telegram vs WhatsApp: Which Messenger Is Actually Private?
Signal vs Telegram vs WhatsApp on real privacy: who encrypts by default, who harvests metadata, and why Telegram is the weakest of the three.
ReadCrossing a Border With Your Phone: A Field Guide
A calm, practical field guide for journalists and high-risk travelers facing device searches at borders: minimize, prepare, and know exactly where tools help.
ReadVPN vs Tor: Does a VPN Actually Make You Anonymous?
Does a VPN make you anonymous? No — it shifts trust to one provider. How VPNs differ from Tor's 3-relay model, no-logs limits, and when each tool actually helps.
ReadHarvest Now, Decrypt Later: Why Post-Quantum Encryption Already Matters
An adversary who records your encrypted traffic today can wait years to decrypt it. Why long-lived secrets need post-quantum protection now, and how hybrid X25519 + ML-KEM-768 delivers it.
ReadWhat Is Tor and How Does It Actually Work?
How does Tor work? An honest explainer on onion routing, guard/middle/exit relays, what each can and can't see, .onion services, Tor vs VPN, and Tor's real limits.
ReadWhat Is the Double Ratchet? Forward Secrecy, Explained
A beginner-friendly but technically correct explainer of the Double Ratchet: forward secrecy, break-in recovery, why deleting keys matters, and how RVNT uses it.
ReadWhat Is End-to-End Encryption? A Plain-English Guide
What is end-to-end encryption? A plain-English guide to how E2EE works, how it differs from TLS, who can and can't read your messages, and what it does not protect.
ReadRVNT Protocol: A Technical Deep Dive
A detailed walkthrough of the RVNT cryptographic protocol — hybrid X3DH key exchange with ML-KEM-768, the Double Ratchet with AES-256-GCM, sealed sender metadata protection, and Tor-based transport.
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