Research
Introducing Switchboard: Provably Secure, Flexible, and Efficient Authorization
2025-07-28
Colin Roberts, CTO & Co-Founder of Multifactor, demonstrates Switchboard, a secure, flexible, and efficient data authorization management solution that advances the current state of the art by cryptographically enforcing complex authorization policies.
First Look: Next-Generation Multi-Factor Key Derivation Function (MFKDF2)
2025-07-22
Colin Roberts, CTO & Co-Founder of Multifactor, provides a first look at the next-generation Multi-Factor Key Derivation Function (MFKDF2), via a live interactive demo.
Colin Roberts: Why I’m Excited About the Future of Multifactor
2025-07-14
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.
Finding Optimal Parameters for KDFs like Argon2, Bcrypt, Scrypt, PBKDF2, Balloon Hashing, & More
2025-07-11
Colin Roberts, CTO & Co-Founder of Multifactor, demonstrates an interactive tool and free API for selecting optimal parameters for hard KDFs like Argon2, Bcrypt, Scrypt, PBKDF2, and Balloon Hashing.
Introducing Checkpoint: A Better Way to Share Online Accounts
2025-06-25
Checkpoint uses novel cryptographic techniques to enable easy revocable, non-repudiable, and fine-grained sharing of any online account resource.
MFKDF Presentation at ACM CHI '24
2024-05-08
This video is a recording of the MFKDF talk presented at ACM CHI 2024. It details a user study demonstrating the strong usability benefits of MFKDF over other key management approaches.
MFKDF Presentation at USENIX Security '23
2023-11-30
This video is a recording of the MFKDF talk presented at USENIX Security 2023. It includes a quick overview of MFKDF, the features that it provides, and a high-level technical description.
MFKDF Presentation at DEF CON 30
2022-08-15
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 Decentralized Application Demo
2022-06-30
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.
MFKDF Centralized Application Demo
2022-06-17
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.