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      Smart Contract Assessment

      Securing code integrity, protecting digital assets

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      Assessing protocols, securing blockchain foundations

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      Uncovering flaws, strengthening software integrity

      Web Application Penetration Testing

      Exposing weaknesses, fortifying digital defenses

      Cloud Infrastructure Penetration Testing

      Securing configurations, protecting critical environments

      Red Team Exercise

      Simulating real-world attacks, strengthening defenses

      AI Red Teaming

      Testing AI systems against real threats

      AI Security Assessment

      Securing AI models, data, and pipelines

    • Advisory

      AI Advisory

      Guiding secure, strategic AI adoption forward

      Risk Assessment

      From unknown threats to actionable insights

      Blockchain Architecture Assessment

      Optimizing architecture for tomorrow’s networks

      Compliance Readiness

      Stay ready as regulations evolve

      Custody and Key Management Assessment

      Securing the heart of digital custody

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      See the risks before you invest

      Technical Training

      Empower your teams to secure what matters

    • Who We Are

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    • Audits

      In-depth evaluations of smart contracts and blockchain infrastructures

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      All the latest vulnerabilities discovered by Halborn

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© Halborn 2026. All rights reserved.

Smart Contract Assessment

Securing code integrity, protecting digital assets

Blockchain Layer 1 Assessment

Assessing protocols, securing blockchain foundations

Code Security Audit

Uncovering flaws, strengthening software integrity

Web Application Penetration Testing

Exposing weaknesses, fortifying digital defenses

Cloud Infrastructure Penetration Testing

Securing configurations, protecting critical environments

Red Team Exercise

Simulating real-world attacks, strengthening defenses

AI Red Teaming

Testing AI systems against real threats

AI Security Assessment

Securing AI models, data, and pipelines

AI Advisory

Guiding secure, strategic AI adoption forward

Risk Assessment

From unknown threats to actionable insights

Blockchain Architecture Assessment

Optimizing architecture for tomorrow’s networks

Compliance Readiness

Stay ready as regulations evolve

Custody and Key Management Assessment

Securing the heart of digital custody

Technical Due Diligence

See the risks before you invest

Technical Training

Empower your teams to secure what matters

Who We Are

The best security engineers in the world

Careers

Work with the elite

Who Trusts Us

The trusted security advisor for blockchain and financial services industries

Brand

Access official logos, fonts, and guidelines

Service Commitments

Committed to Protecting Your Data

Audits

In-depth evaluations of smart contracts and blockchain infrastructures

BVSS

Blockchain Vulnerability Scoring System

Disclosures

All the latest vulnerabilities discovered by Halborn

Case Studies

How Halborn’s solutions have empowered clients to overcome security issues

Reports

Comprehensive reports and data

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Elite Security Solutions for Financial Services and Blockchain

Halborn is the industry-leading blockchain solutions firm for enterprise-grade digital assets, trusted by the top financial institutions and blockchain ecosystem leaders. Experience world-class, end-to-end security, from smart contract auditing and pen testing to advisory services and beyond.

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SECURITY ASSURANCE SERVICES

Smart Contract Assessment

Blockchain Layer 1 Assessment

Code Security Audit

Web Application Penetration Testing

Cloud Infrastructure Penetration Testing

Red Team Exercise

AI Red Teaming

AI Security Assessment

DLT ADVISORY SERVICES

AI Advisory

Risk Assessment

Blockchain Architecture Assessment

Compliance Readiness

Custody and Key Management Assessment

Technical Due Diligence

Technical Training

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Technologies We Assess

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Featured In

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Papers & Research

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Framework

03.13.2026

A Framework for Measuring, Assessing, and Rating Risk in Stablecoins

Halborn's standard framework for measuring, assessing, and rating risk across stablecoin asset classes including collateralized, algorithmic, rebase, and seigniorage designs.

Read the report
Whitepaper

02.16.2026

DAML & CANTON: THE TRUST LAYER FOR REGULATED LEDGERS

Halborn's whitepaper explains how Daml and Canton enable regulated DLT with strict privacy, synchronized validation, and fewer reconciliation failures.

Read the report
Whitepaper

09.12.2025

Guide to Digital Asset Treasury and DATCOs

A comprehensive guide to digital asset treasury management and DATCOs (Digital Asset Treasury and Custody Operations).

Read the report

Blog

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Explained: Hacks

04.13.2026

Explained: The TMM Hack (April 2026)

Read the full blog
AI

04.10.2026

Automated Spend Controls for AI Agent Micropayments

Read the full blog
Explained: Hacks

04.06.2026

Explained: The Drift Hack (April 2026)

Read the full blog
Case Study: Securing $360B+ in Tokenized Domains with Doma Protocol
Enterprise

Securing $360B+ in Tokenized Domains with Doma Protocol

Read the Case Study→

Securing Next-Generation Financial Infrastructure for a Global Banking Institution
Enterprise

Securing Next-Generation Financial Infrastructure for a Global Banking Institution

Read the Case Study→

Case Study: Halborn’s Security Assessment Ensures The Protection Of $850M+ For Blueprint Finance’s DeFi Protocols
Enterprise

Halborn’s Security Assessment Ensures The Protection Of $850M+ For Blueprint Finance’s DeFi Protocols

Read the Case Study→

Case Study: Securing the First Cross-Border Digital Bond Repo
Enterprise

Securing the First Cross-Border Digital Bond Repo

Read the Case Study→

Case Study: Hardening Infrastructure for a B2B Crypto Custody Provider
Enterprise

Hardening Infrastructure for a B2B Crypto Custody Provider

Read the Case Study→

Case Study: Scaling a G-SIB's Custody Platform Through Secure by Design Engagement
Enterprise

Scaling a G-SIB's Custody Platform Through Secure by Design Engagement

Read the Case Study→

Case Study: Supporting a Large Settlement and Clearing House with Secure by Design Architecture
Enterprise

Supporting a Large Settlement and Clearing House with Secure by Design Architecture

Read the Case Study→

Trusted By The World's Largest Banks And Financial Institutions

BSV Association
SBI DAH
Ava Labs
Zetachain
dYdX
IO.NET
Matter Labs
Story
Ripple
Ondo
Hedera
Brevan Howard Digital
Bank Frick
Banca Sella
21co
Dfns
Noble
AMINA Bank
zkSync
LayerZero
Grayscale
Circle
Coinbase Asset Management
John Wu, PresidentAVA Labs

John Wu, President

AVA Labs

What sets Halborn apart is its extensive knowledge of best security practices inside and outside of the blockchain industry. With the pen test report on the Avalanche Wallet, Halborn led with the highest level of professionalism and extreme care with every last detail.

Siggi Óskarsson, CTOBSV Association

Siggi Óskarsson, CTO

BSV Association

The thing that stood out for me was a very big click about the mentality and the way to approach the projects. Being very agile and open and collaborative, and looking at this as a partnership. I think that was the biggest selling point for me. It’s not like we are doing this SOW for three months and then after the three months we will evaluate, no, we are doing that each week and talking about it continuously and steering in a different direction if necessary halfway through the project. That flexibility and agility was the key for me.

Shaun Martinak, Researcher, Portfolio ManagerCoinbase Asset Management

Shaun Martinak, Researcher, Portfolio Manager

Coinbase Asset Management

As we searched for security partners, Halborn quickly rose to the top of that list because of their experience working across a range of technology stacks and having the deep experience to be able to integrate decentralized networks, cryptographic computing into that broader vision, and to help us test all aspects of it.

Brendon Sedo, ContributorCore DAO

Brendon Sedo, Contributor

Core DAO

Our strategy on security is to get to work with the best partners—you being one of them, as Halborn has a great reputation and do a lot of diligence with these partners. We took a lot of time to make sure that everything was built right because we take security really seriously.

Jon Eichhorn, Risk DirectorCrossmint

Jon Eichhorn, Risk Director

Crossmint

Halborn provides a quality review process and a positive experience throughout the engagement while performing an in-depth technical analysis. Their review gives us additional comfort in our solutions, knowing they have been audited by a qualified, independent organization.

Inder Singh, VP of Product/TechD3 Inc

Inder Singh, VP of Product/Tech

D3 Inc

The largest registrars trust the Doma platform to bring the $360B+ asset class onchain. Security is paramount, and Halborn ensures the infrastructure is production ready.

Robert Bryan, FounderKarate Combat

Robert Bryan, Founder

Karate Combat

We thought you were so much better, technically, than the other firms. But just looking at your general processes and the amount of time you are spending versus the other offerings out there, we thought it made a lot of sense because it's very important: we have a very valuable asset that is now going into this structure, and we want to make sure it's entirely secure.

Michael Steuer, Co-Founder & CTOMAKE

Michael Steuer, Co-Founder & CTO

MAKE

Halborn has a tremendous reputation and track record. We had heard from other projects that we are close with about the great experience they had with Halborn. So, after learning more about Halborn's approach to auditing, it was really a done deal.

James Poole, Founding ContributorRenzo

James Poole, Founding Contributor

Renzo

Halborn has been a tremendous resource on the security side as Renzo has evolved from a simple initial protocol to a multi-chain ecosystem. They have been a true partner with our product and users being the ultimate beneficiary of their hard work and dedication.

Kenny Lei, Engineering ManagerRipple

Kenny Lei, Engineering Manager

Ripple

Halborn brought immediate value from day one, rapidly understood the XRP Ledger architecture, and delivered clear, actionable insights that strengthened the security of our new features.

Brandon Truong, Head of ProductZetachain

Brandon Truong, Head of Product

Zetachain

With audits there's real work, and it's represented by the reputation Halborn has. And from some of the people we had talked to, who have worked with you before, it seemed like a perfect fit because you aren't just specialized on smart contracts. I think it really helped in making a decision to work with Halborn: a comprehensive partner we can work with even beyond Mainnet.