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Discover Superbacked

Possibly the world’s most advanced backup and succession planning app

Introducing Superbacked
  • Powered by state of the art open source cryptography

    Standard and distributed backups are encrypted using Blockcrypt, an open source encryption scheme based on AES-256-GCM that provides plausible deniability (watch episode).

    Distributed backups are encrypted using sss, one of the most secure implementations of Shamir Secret Sharing developed by Amber Sprenkels (a post-quantum computing PhD student in the Netherlands) before being encrypted (again) using Blockcrypt.

    Blockcrypt encryption keys are derived using Argon2, a brute-force-resistent password-hashing function that won the 2015 Password Hashing Competition.

    Fun fact: it would theoretically take 10,539,639 years to brute-force Superbacked-generated 5-word passphrase using MacBook Air with M1 chip (we’re not kidding around).

  • Cryptographically-signed releases

    Releases are PGP-signed by Sun and cryptographically signed and notarized (scanned for malware) by Apple (Superbacked isn’t a bootleg operation).

  • Transparent by design

    Superbacked is an Electron app therefore, even though its source code is proprietary, it can be audited (watch episode).

    If you find a security vulnerability, please get in touch.

  • Trusted

    Superbacked is developed by Sun, a privacy and security researcher and senior full stack developer followed by over 50,000 people on YouTube.

Meet the team

Sun Knudsen

Sun Knudsen, founder

Privacy and security researcher, YouTuber and founder of Superbacked
🇨🇦 Montreal, Canada
PGP public key fingerprint: E786 274B C92B 47C2 3C1C  F44B 8C9C A674 C47C A060


Cragg Nilson
Cragg Nilson
Entrepreneur, advisor, investor and principle at Everfields
🇸🇪 Stockholm, Sweden
Jason Knudsen
Jason Knudsen
Production infrastructure engineering manager at Palantir Technologies
🇺🇸 Denver, United States
Pavol (Stick) Rusnak
Pavol (Stick) Rusnak
Co-founder of SatoshiLabs, co-creator of Trezor and Bitcoin Core contributor
🇨🇿 Prague, Czech Republic
Zean Moore
Zean Moore
Program manager, business operations and corporate strategy at Archblock
🇺🇸 San Francisco, United States


Jennifer Benitez-Martinez
Jennifer Benitez-Martinez
Technologist, legal counsel and notary
🇨🇦 Montreal, Canada
Copyright (c) Superbacked, Inc.
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