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Notebook Labs

DefunctYC S22

San Francisco, US Β· Founded 2022 Β· 3 employees Β· 6 known investors

Notebook Labs provides zero-knowledge identity verification for Web3, allowing users to prove personhood and aggregate credentials across wallets while maintaining anonymity. The service helps DeFi protocols, DAOs, and communities prevent fraud through Sybil resistance and enable lending protocols to assess creditworthiness.

Also known as Notebook

Crypto & Web3Enterprise SoftwareDeFiCrypto / Web3IdentityUnited States of AmericaAmerica / Canada

Founders & leadershipΒ· Y Combinator alumni (S22)

Notebook Labs was founded in 2022 by Nathaniel Masfen-Yan, Solal Afota, and Dhruv Mangtani.

NMNathaniel Masfen-Yan
Nathaniel Masfen-Yanin𝕏Co-Founder2022–2024Nathaniel completed graduate-level cryptography coursework at Stanford and has a background in mathematics and theoretical computer science, including competition experience in the International Mathematical Olympiad.
SASolal Afota
Solal AfotainCo-Founder2022–2024Solal Afota has a background in mathematics and theoretical computer science, and previously competed internationally on the French mathematics team. He focuses on blockchain infrastructure, cryptography, and identity systems.
DMDhruv Mangtani
Dhruv MangtaniinCo-Founder2022–2023Dhruv Mangtani studied physics and mathematics at Stanford and theoretical physics at Caltech, with research experience in AutoML at Berkeley's RISELab. He previously founded Maniac, Inc (a16z Speedrun 005) and is currently Co-Founder and CEO of Notebook Labs (YC S22).

Investors Β· 6

In the news

Frequently asked questions

What does Notebook Labs do?
Notebook Labs provides zero-knowledge identity verification for Web3, allowing users to prove personhood and aggregate credentials across wallets while maintaining anonymity. The service helps DeFi protocols, DAOs, and communities prevent fraud through Sybil resistance and enable lending protocols to assess creditworthiness.
Who founded Notebook Labs?
Notebook Labs was founded by Nathaniel Masfen-Yan, Solal Afota, Dhruv Mangtani in 2022.
Who are Notebook Labs's investors?
Notebook Labs's investors include Y Combinator, Abstract Ventures, Bain Capital Crypto, NFX, Soma Capital, Very Serious Ventures.
Where is Notebook Labs headquartered?
Notebook Labs is headquartered in San Francisco, US.