Notes on privacy, encryption and building in the open.
Engineering deep-dives, security research and product thinking from the team building the zero-knowledge workspace.
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Privacy & AIWhy We Don't Train AI on Human Thoughts: The Zero-Knowledge Mandate
When tech monopolies began silently scanning private files and team chats to train large language models, we made an architectural pledge: client-side encryption makes surveillance physically impossible.
Shubhajit Rakshit6 min read
CryptographyEngineering Zero-Knowledge Cryptography Directly at the Device Boundary
A deep technical breakdown of Master Identity Key (MIK) derivation, Argon2id memory-hard hashing, and why zero server-side key custody is the only real privacy guarantee.
Bikram Shit9 min read
EngineeringBenchmarking Conflict-Free Replicated Data Types (CRDTs) in Encrypted Spreadsheets
How we achieved sub-15ms collaborative editing latency across 50 concurrent editors in Foxcolab Sheet while executing zero server-side cell decryption.
Distributed Systems Team8 min read
Privacy & AIThe Zero-Leakage Boundary: Administrative Visibility Must Never Equal Content Visibility
Enterprise IT leaders need audit trails and device health metrics, but should never be able to read an employee's private notes or email bodies. Here is how we enforce this separation.
Security & Governance Guild7 min read
Product PhilosophyCalm by Design: How Removing Dopamine Badges Restores Team Focus
Why red unread counters, notification chimes, and algorithmic activity feeds destroy strategic thinking, and how our pine-ivory visual system creates psychological breathing room.
Product Design Guild5 min read
EngineeringMigrating from Google Workspace & Microsoft 365 to Sovereign Enclaves in 48 Hours
A pragmatic playbook for transitioning thousands of enterprise mailboxes, calendar invites, and drive archives without a single second of operational downtime.
Solutions Architecture6 min read
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