Alex Grinman

Co-founder at krypt.co

Math & CS at MIT. Security & Crypto. iOS Developer.

Previously: BLADE | Microsoft Foundry | KAYAK

  • Krypton

    The new home for your SSH + PGP private key on your phone.

    krypt.co's first product.

    Docs | Code

  • N.L.P on Encrypted Patient Data

    M.Eng Thesis at MIT

    Advised by Prof. Shafi Goldwasser.

    Paper | Code

  • Chasm

    Fault-tolerant, Information-theoretic Secure Cloud Backup.

    Presentation | Code | Demo

  • ZeroAuth

    Zero Authorization Identity Proofs of Social Accounts for Mobile Apps.

    Paper

  • Echo

    Share a phone screen to nearby devices via Bluetooth and WiFi.

    Every zoom or scroll is echoed to nearby devices.

    Download

  • Real-time Transportation Apps

    Transporation apps developed for the Boston area.

    Track buses and trains in real-time. Learn more at grinmans.com.