Sacha Servan-Schreiber

Welcome to my homepage. I'm a co-founder of Tinfoil, building private AI through the use of secure hardware enclaves. Before that, I finished my PhD at MIT CSAIL, where I was advised by Srini Devadas. My research was focused on building privacy-preserving systems and theoretical cryptography.

GitHub  ·  X  ·  sacha@tinfoil.sh


PhD Thesis: New Tools for On-the-Fly Secure Computation.
Secure computation allows multiple parties to compute functions over their private inputs without revealing anything beyond the output. My thesis focuses on "on-the-fly" secure computation: protocols that require minimal interaction between parties and no special setup assumptions, making them ideal for real-world deployments. The work provides new theoretical frameworks and practical implementations that advance both the theory and practice of secure computation.

PDF · Slides
2026
  • Client-Server Homomorphic Secret Sharing in the CRS Model
    Damiano Abram, Geoffroy Couteau, Lalita Devadas, Aditya Hegde, Abhishek Jain, Lawrence Roy, and Sacha Servan-Schreiber
    Eurocrypt 2026 (to appear)
  • Concretely-Efficient Multi-Key Homomorphic Secret Sharing and Applications
    Kaiwen He, Sacha Servan-Schreiber, Geoffroy Couteau, and Srinivas Devadas
    S&P 2026 (to appear)
2025
2024
2023
2022
2020
2019
2018
The Warning Siren of the Coming Panopticon
March 1, 2026
LaTeX template for crypto papers:

I created this LaTeX template to write my papers.

Photography:

I like to take photos when I travel.

A collection of bookmarked links

Shigalyovism · How to prepare for a security review · Nano Banana can be prompt engineered for extremely nuanced AI image generation · Technocalvinism · The Smol Training Playbook: The Secrets to Building World-Class LLMs · When the Pioneer Plaque Becomes NSFW: Censorship, AI, and the War on Context · Photoshop for text · Local-first software: You own your data, in spite of the cloud · If AI Becomes Conscious, We Need to Know · How to Build an Agent · Machines of Loving Grace · How to have polygenically screened children · Numb at Burning Man · The Reenchanted World · Solomun, the D.J. Who Keeps Ibiza Dancing.· Le Jeu de la Vie. · ZKalc: Cryptographic operation performance estimator · So, you want to be a darknet drug lord... · My first impressions of web3 · Keynesian beauty contest · ZK Proofs for Set Membership · Colorful 'Jingle Trucks' Rule the Road in Pakistan · A Brief History of Peanut Butter · What If You Could Do It All Over? · Do Colorless Ideas Sleep Furiously? · The Rise of Coffee · iknowwhatyoudownload.com · X-RAY AUDIO · Have You Ever Tried to Sell a Diamond? · Browser Fingerprinting · Zero-Knowledge Proofs · Patterns That Eventually Fail · SNOW · The Stanford Startup and MIT Startup · Visualizing Algorithms · The Weird Science of Naming New Products · Hotel Bathroom Puzzle · Don't talk to the police · This is Water · Everybody's Free To Wear Sunscreen · You and Your Research · Be sceptical of your own work · You Want Technology With Warts

© Sacha Servan-Schreiber