The Blink Blog
Security research, architecture deep-dives, and our honest roadmap for privacy-first messaging.
Our honest roadmap: calls, camouflage, and Swiss residency
Here's what's live today and what's coming next: end-to-end encrypted (E2EE) voice and video calls, more than 50 disguise apps, and Swiss/GDPR data residency.
2026-06-10 · Blink Security
ArchitectureWhy our servers only ever see ciphertext
Blink stores encrypted payloads in its ScyllaDB database and encrypts media on your device before uploading it to S3, so a breach reveals nothing readable.
2026-05-28 · Blink Engineering
CryptographyInside Blink's encryption: AES-256-GCM, ECDH P-256, and epoch forward secrecy
We walk through our deterministic dm_v3 and group_v3 protocols, how keys are derived with HKDF-SHA256, 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 disables the system keyboard on iOS, Android, and web — 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