The Blink Blog
Security research, architecture deep-dives, and our honest roadmap for privacy-first messaging.
Our honest roadmap: calls and data residency
Here's what's live today and what's coming next: end-to-end encrypted (E2EE) voice and video calls and additional data-residency regions.
2026-06-10 · Blink Security
ArchitectureWhy our servers only ever see ciphertext
Blink stores only encrypted payloads and encrypts media on your device before uploading it, so a breach reveals nothing readable.
2026-05-28 · Blink Engineering
CryptographyInside Blink's encryption: on-device sealing, hardware-backed keys, and epoch forward secrecy
We walk through how direct and group chats are sealed on your device, how keys are agreed and derived without ever being sent, and how seven-day key epochs provide forward secrecy.
2026-05-12 · Blink Engineering
Device SecurityDefeating keyloggers with a secure in-app keyboard
Our anti-keylogger keyboard takes over from the system keyboard on Android and iPhone — closing a common surveillance gap.
2026-04-24 · Blink Security
Threat ModelDuress defence: reverse-PIN wipe, remote wipe, and space lock
We explain how Blink protects you when a device is seized — including a four-step factory-clean wipe and a decoy reverse-PIN that wipes on entry.
2026-04-08 · Blink Security
ProductSecure Locker: encrypted files, encrypted filenames
Secure Locker is an end-to-end encrypted vault with encrypted filenames, storage quotas, and automatic trash cleanup — your files stay unreadable to us.
2026-03-19 · Blink Engineering