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Multifactor is a public benefit company on a mission to redefine zero-trust for the modern web. Learn more about our world-class team and research, and please feel free to reach out to [email protected] with any questions.

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Introducing Checkpoint: A Better Way to Share Online Accounts

Introducing Checkpoint: A Better Way to Share Online Accounts

2025-07-07

ResearchAuthorizationAuditingCheckpoint

Checkpoint uses novel cryptographic techniques to enable easy revocable, non-repudiable, and fine-grained sharing of any online account resource.

VN

Vivek Nair

Co-Founder & CEO

Colin Roberts: Why I’m Excited About the Future of Multifactor

Colin Roberts: Why I’m Excited About the Future of Multifactor

2025-07-03

CompanyTeamResearch

Colin Roberts, Co-Founder and CTO, shares his journey from pure mathematics to crypto-focused startups and now Multifactor, explaining why he's excited about the future of the company.

CR

Colin Roberts

Co-Founder & CTO

How to Choose Parameters for KDFs like Argon2, Bcrypt, Scrypt, PBKDF2, Balloon Hashing, & More (Part 1 of 2)

How to Choose Parameters for KDFs like Argon2, Bcrypt, Scrypt, PBKDF2, Balloon Hashing, & More (Part 1 of 2)

2025-06-25

ResearchKDFMFKDF

A comprehensive guide and interactive tool for the delicate security decision of selecting the best parameters for hard KDFs like Argon2, Bcrypt, Scrypt, PBKDF2, and Balloon Hashing.

CR

Colin Roberts

Co-Founder & CTO

VN

Vivek Nair

Co-Founder & CEO

Videos

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MFKDF Presentation at DEF CON 30

MFKDF Presentation at DEF CON 30

2022-08-15

ResearchAuthenticationMFKDF

This video is a recording of the MFKDF talk presented at the Password Village at DEF CON 30. It includes a full overview of MFKDF, the features that it provides, and a high-level technical description of how it works.

MFKDF Centralized Application Demo

MFKDF Centralized Application Demo

2022-06-17

ResearchAuthenticationMFKDF

This demo shows how to use MFKDF to build a strong centralized password management application featuring multi-factor key derivation with advanced key derivation policies, factor persistence, self-service key recovery, MFKDF-based authentication, and end-to-end encryption.

MFKDF Decentralized Application Demo

MFKDF Decentralized Application Demo

2022-06-30

ResearchAuthenticationMFKDF

This demo shows how to use MFKDF to build a strong trustless decentralized cryptocurrency wallet application featuring multi-factor key derivation with self-service key recovery. It uses IPFS and IPNS to store MFKDF policy files.