Least Authority

Chia Network - Permuto - Least Authority Chia Network has requested that Least Authority perform security audits of Permuto.

Our team recently completed three security audits of Permuto for @chia.net. You can read the full report, including our findings, here: leastauthority.com/blog/audit-o...

MoonMath Manual - Least Authority The MoonMath Manual is a resource for anyone interested in understanding and unlocking the potential of zk-SNARKs.

The MoonMath Manual breaks down the math behind Zero-Knowledge Succinct Non-Interactive Arguments of Knowledge in an approachable, structured way. Whether you're new to ZK or want to deepen your understanding, this free resource is a great place to start. leastauthority.com/community-ma...

Turning Milestones Into Meaning: The Depth Behind Our Audits - Least Authority 300 audits completed reflects trust and experience, but our priority remains audit quality, not quantity.

With 300 completed security audits on the horizon, we're celebrating the journey - 11 years of security consulting shaped by technically challenging reviews, high-impact ecosystems, and projects with global reach. leastauthority.com/blog/turning...

Wallet V Labs - Wallet V - Least Authority Our team performed a security audit of a core module from Wallet V.

Our team recently completed a #securityaudit of a core module from walletv.io. You can read the full report, including our findings, here: leastauthority.com/blog/audit-o...

Security Consulting - Least Authority Our expert team delivers comprehensive security consulting services. We conduct audits and reviews of cryptographic protocols and distributed system architectures to ensure robust and reliable impleme...

We help Web3, blockchain, and FinTech teams build with security-by-design by identifying risks early and strengthening your systems for long-term resilience. Let’s talk about how we can support your next phase: leastauthority.com/security-con...

YouTube video by Ingonyama #38 | Least Authority: Auditing, Privacy, and Pioneering ZK

Our CEO Liz Steininger, & Security Researcher Anna Kaplan, joined the SNARK Chocolate podcast team from @ingonyama.com to talk about our roots, how to become a security auditor, privacy-first audits, applied cryptography trends, and the limits of AI in security work. youtu.be/Rw-jRay0nGk?...

Security Through Compliance - Least Authority Developed for and with Human Rights Organizations (HROs), Destiny is an open source secure file transfer application that does not reveal identities.

Strategic planning is essential for development teams preparing to meet new regulatory requirements. It helps ensure a smooth transition and reduces the risk of business disruption. We’re ready to support your team. Learn more: leastauthority.com/security-con...

Joey Wallet - Least Authority Our team performed a security audit of the Joey Wallet’s key management, focusing on the proper implementation of key derivation, management, and storage. Our final audit report was completed on June ...

Our team recently completed a #securityaudit of Joey Wallet key management. You can read the full report, including our findings, here: leastauthority.com/blog/audits/...

YouTube video by CryptoCanal Least Authority | From Freedom to Autonomy - Liz Steininger | ETHDam III - 2025

Catch the replay of "From Freedom to Autonomy: How Internet Freedom Principles Can Shape Web3 Privacy."

Liz explores privacy-by-default design, high-risk user needs, and how Internet Freedom values align with Web3. youtu.be/t68fai69wUA?...

Security Consulting - Least Authority Our expert team delivers comprehensive security consulting services. We conduct audits and reviews of cryptographic protocols and distributed system architectures to ensure robust and reliable impleme...

Building in security-by-design is key to long-term success. We support #web3 #blockchain, and #FinTech teams with #securityconsulting services that address vulnerabilities early and keep your project secure beyond launch. Schedule a call with us today: leastauthority.com/security-con...

The Right to Privacy in a Global Legal Context - Least Authority Explore how the right to privacy is defined and enforced around the world, with a focus on global data privacy laws and individual rights.

In our latest post, we explore how the legal concept of privacy differs across global jurisdictions. Understanding these variations is essential for building systems that respect user rights. #DataPrivacy #PrivacyLaw #GlobalCompliance #DigitalRights

leastauthority.com/blog/the-rig...

A banner image for the webinar. It includes pictures and names of the webinar guests, the date and time, and a QR code link for registration.

German fintechs: looking to scale in Asia? Join Liz and other experts for a webinar on why Singapore & Hong Kong are the next big launchpads for fintech growth. Insights, strategy, & live Q&A on how to enter and thrive in these competitive markets. hubspot.germanaccelerator.com/en/webinar-s...

Drawing from personal experience working with Internet Freedom projects—many of which predate blockchains or have developed in parallel—Liz will explore how lessons from this movement can inform and strengthen Web3's approach to privacy and user empowerment.

Schedule | ETHDam

This weekend at #ETHDam, CEO Liz Steininger will present "From Freedom to Autonomy: How Internet Freedom Principles Can Shape Web3 Privacy."

📅 May 10
⏰ 10:25–10:55 (CEST)
🎤 Mainstage
🌐 www.ethdam.com/schedule-1/e...

FROST Demo Audit: frost-client and frostd During Q1 2025, Least Authority (in their role as the Zcash Ecosystem Security Lead) undertook an audit of the FROST Demo code, including the frost-client command line tool and frostd server…

We are pleased to announce the FROST Demo code audit, undertaken during Q1 2025 by @leastauthority.bsky.social (in their role as the Zcash Ecosystem Security Lead), contained no high severity findings. The full report is now available. zfnd.org/frost-demo-a...

These are interactive oracle proofs of proximity (IOPPs) for Reed-Solomon codes. This initiative supports the growing importance of Formal Verification in Ethereum and zero-knowledge systems, strengthening the foundation for secure and reliable decentralized applications. @ef-esp.bsky.social

Advancing zkVMs with Formal Verification - Least Authority We have been awarded a grant from the Ethereum Foundation’s Verified zkEVM program to create a comprehensive Lean blueprint for two cryptographic protocols.

We're excited to share that we've been awarded a grant from the @ethereum.foundation Verified zkEVM program to develop Lean blueprints for two cryptographic protocols: STIR [ACF+25] and WHIR [ACF+24]. leastauthority.com/blog/advanci...

Security Consulting - Least Authority Our expert team delivers comprehensive security consulting services. We conduct audits and reviews of cryptographic protocols and distributed system architectures to ensure robust and reliable impleme...

Security works best when it’s part of the design from the beginning. Regular reviews—even after an audit—help keep systems strong as they grow and change. Let’s talk about how our security consulting can support your team’s success. leastauthority.com/security-con... #securityconsulting

Keystone - Hardware Wallet for Zcash - Least Authority A security audit of the Keystone Hardware Wallet, which supports Zcash users managing their assets.

Our team recently completed a security audit for the @z.cash cash integration for the Keystone Hardware Wallet. You can read the full report, including our findings, here: leastauthority.com/blog/audits/...

Learning ZK with Jeffrey from RareSkills - ZK PODCAST This week Anna chats with Jeffrey Scholz, founder of RareSkills. They discuss onboarding developers into ZK and dive into RareSkills’ […]

Great to see ZK Podcast referencing the MoonMath Manual as a learning resource. We’re always glad to see our freely available guide supporting education and helping more people learn the foundations of zero-knowledge proofs. zeroknowledge.fm/podcast/352/

Security audits are essential for strengthening cryptographic implementations like MPC wallets. We audited the Safeheron MPC_ECDSA algorithm, helping to ensure its robustness. Read more about the importance of security in MPC wallets in their blog: safeheron.com/blog/is-mpc-...

A blurred image of a crowd gathered at a conference event stage with the tagline "Meet Us in Person".

Want to connect with our team and explore how we can strengthen your project's security? Meet us at these upcoming events:

📅 @zkproof.org ZKProof 7 – March 23-25, 2025
📅 Fully Homomorphic Encryption (FHE) Conference – March 25, 2025
📅 @rwc.iacr.org Real World Crypto (RWC) – March 26-28, 2025

Enhancing Zcash Security w/ Least Authority and Zcash · Zoom · Luma Description Join us for a deep dive into the ongoing security audits of Zcash, completed by the Zcash Ecosystem Security Lead Least Authority, and funded by…

Whether you're a developer, privacy advocate, or @z.cash community member, this is your chance to gain insights and engage in the conversation. We've teamed up with @ostifofficial.bsky.social to explore our long-term security collaboration with Zcash. lu.ma/uxmc2wgl

Exploring AI-Assisted Security Audits - Least Authority We have been exploring different AI models to assess their effectiveness in assisting with different types of security audits.

Over the past several months, we have been testing various Artificial Intelligence (AI) models to evaluate their effectiveness in supporting different types of security audits. Can AI be integrated into our workflow?

leastauthority.com/blog/explori...

Join us on March 11, 2025, at 14:00 UTC for an exclusive #InternationalWomensDay webinar hosted by @bugcrowd.com. Our CEO, Liz Steininger, joins top female leaders in cybersecurity to share their insights. www.bugcrowd.com/webinar/?com...

Enhancing Zcash Security w/ Least Authority and Zcash · Zoom · Luma Description Join us for a deep dive into the ongoing security audits of Zcash, completed by the Zcash Ecosystem Security Lead Least Authority, and funded by…

A tag team for security! Join us March 12th at 13:00 GMT-5 for a meetup with Liz Steininger from @leastauthority.bsky.social and Pacu from @z.cash Community Grants for their presentation of "Enhancing Zcash Security".
RSVP at lu.ma/uxmc2wgl

SpiderOak - Least Authority By Zooko Wilcox-O’Hearn S4 simple secure storage service, we also run a security consulting business. We LeastAuthoritarians have extensive experience in security and cryptography, and other companies...

On this day 11 years ago, we published our first security audit for SpiderOak: leastauthority.com/blog/audits/.... Since then, we've spent over a decade helping projects strengthen their security.

Need a trusted security partner? Contact us: consulting@leastauthority.com

Our team recently completed a security audit of the Decred DEX Zcash integration for Zcash Community Grants. You can read the full report, including our findings, here: leastauthority.com/blog/audits/...

One of our team members just presented a lightning talk about Tahoe-LAFS, the open-source, decentralized storage system we’ve been contributing to for many years. We are ensuring it remains a secure and privacy-preserving storage solution. Check out the video here: ftp.belnet.be/mirror/FOSDE...

Security should be built in from the start. We provide security consulting services for Web3, blockchain, and FinTech teams—from design to production, launch, and beyond. Our experts help you build secure solutions and reduce risks at every stage.

📅 Schedule a call: calendly.com/least-author...