Blockchain Security Experts

Current Web3 Security is failing but HYDN is on a mission to change that with industry leading Smart Contract Audits, Web3 Penetration Testing, and our Real-Time Fraud Prevention product HYDN Prevent

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Trusted by leading projects including:

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Blockchain Security Services

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Smart Contract Audits

HYDN provide in-depth audits of projects smart contracts which evaluate for safety, functionality, protection, and utility. Clients are provided user-centric audits as well as contract functionality assessments.

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Web3 Penetration Testing

With HYDN's Web3 Pen Testing services you will discover how attackers could potentially exploit vulnerabilities with your project and get expert guidance on how to stop them.

Current Web3 Security is Failing

Just as the eCommerce revolution was powered by new payment security services Blockchain and Web3 cannot fulfil its potential without vastly improving security practices.

Smart Contract Audits, Bug Bounties, and Monitoring systems are not stopping billions of dollars of assets being stolen every year.

HYDN Prevent is a pioneering real-time blockchain security solution that leverages machine learning, advanced fraud detectors, and real-time transaction analysis to shield Dapps, Financial Institutions, and Web3 Users from attack.

Total Transactions at Risk Every Month
300 million
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Warren Mercer
Founder & CEO
Our mission is to ensure the blockchain supports secure business operations for all. I have built the team at HYDN from the ground up to meet this very personal objective.
warren mercer ceo
Warren is a world renowned cybersecurity and blockchain expert, having previously held senior roles at NYSE, Cisco, and Alert Logic. Warren has been a guest speaker at cybersecurity conferences all over the globe, including giving talks on Bitcoin at Microsoft DCC, NorthSec, Kaspersky SAS, VB, and many more.

Having been involved in cryptocurrency for over 10 years, Warren is dedicated to making the blockchain ecosystem as secure as it can be for everyone. Warren serves as the CEO for HYDN and heads up the delivery team to ensure that work is carried out to the highest standard.
warren certifications and experience

What our customers say

Above and beyond

“We’ve done multiple smart contract audits with HYDN and they’ve always gone above and beyond our expectations. They take the time to understand your project and have helped us improve our security”

Jose S

Dancing Seahorse

"The HYDN team has been phenomenal to work with, from communicating with our team to asses our needs, to delivering on time a very detailed and helpful audit, we are very happy to have our project audited by them"

Pedro R


"HYDN identified a complex vulnerability that had the potential to devastate our platform. They offered insightful counter measures, and responded promptly to our queries. We view HYDN as a invaluable partner in our success."


Nau Finance