Tinfoil - Blog

Supply Chain Security - Part 1

How Tinfoil thinks about supply chain security for client-side code and build infrastructure.

May 1, 2026

Introducing Tinfoil Containers

Tinfoil Containers lets you deploy your application backend, your training pipeline, or your proprietary model on Tinfoil and build end-to-end verifiably private AI services.

Tinfoil Team

March 10, 2026

View post

How Tinfoil Proves Exactly What Model Is Running

How we cryptographically guarantee that we are serving specific, untampered model weights that clients can verify on each request.

Tinfoil Team

February 3, 2026

View post

Sharing Conversations Without Sharing With Tinfoil

How we built shareable conversation links while preserving conversation privacy.

Sacha Servan-Schreiber

January 26, 2026

View post

How We Implemented Private AI Web Search

A look into our system design, threat model, and evaluation for private web search—architected so that even Tinfoil cannot see your search queries.

Tinfoil Team

January 22, 2026

View post

Building a Browser-Native Verification Stack for Tinfoil

Learn how we built a browser-based confidentiality and integrity verifier with implementations of browser-native Sigstore and TUF libraries.

Sacha Servan-Schreiber and Giulio Berra

December 18, 2025

View post

Private Chat Backups with Local-First Principles

Introducing encrypted chat backups and multi-device syncing that extends our end-to-end privacy principles to persistent cloud storage.

Sacha Servan-Schreiber

September 24, 2025

View post

Launching qwen3-coder-480B

Fully private coding with qwen3-coder-480b.

Tinfoil Team

September 2, 2025

View post

Encrypted ChatGPT?

Sam Altman announced OpenAI is considering encrypted chats for ChatGPT. We explore the technical challenges and why true privacy might require OpenAI to actually be "open".

Sacha Servan-Schreiber

August 22, 2025

View post

Launching gpt-oss-120b on Tinfoil

OpenAI just released gpt-oss-120b. We just made it available on Tinfoil with verifiable privacy guarantees.

Tinfoil Team

August 5, 2025

View post

Got Privacy?

An in-depth comparison of AI privacy solutions that explains why secure enclaves offer the best balance of privacy and performance for AI applications today.

Sacha Servan-Schreiber

May 15, 2025

View post