Posts tagged: Encryption

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A dark abstract visualization of encrypted data streams and digital security

How Pulsyn Encrypts Your Health Data: SQLCipher, 600,000 PBKDF2 Iterations, and Why We Do Not Know Your PIN

A technical deep-dive into Pulsyn local-first encryption stack: SQLCipher, AES-256-GCM, 600,000 PBKDF2 iterations, and why we intentionally cannot recover your data if you lose your PIN.

James Hoffmann

May 22, 2026 11 min read