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Best-in-class security for digital asset organizations

$44,995,137,000

In digital assets secured

Work with Guardian
Synthetix GMX Ethena Jupiter Arbitrum LayerZero PayPal Yuga Labs USDT0
Managed services

Managed Security

Dedicated response team, red team, 24/7 attack and defense across every surface you run, onchain and off. Always on.

Covered 24/7

  • Dedicated response team
  • Red team
  • Threat model
  • Smart contracts
  • Multisigs
  • Signing services
  • Keepers & bots
  • Backend APIs
  • Frontends
  • Domains & DNS
  • Cloud
  • CI/CD pipelines
Compliance
  • MiCAEU
  • DORAEU
  • GENIUS ActUS
  • NYDFS 500US
  • MASSG
  • VARAUAE
Enterprise Security Audit

A security audit designed to protect onchain teams facing unprecedented cyber risk.

Included

  • 01Two competing teams
  • 02Frontier AI coverage
  • 03Exhaustive fuzzing
  • 04$100,000 contest
  • 05$50,000 bounty match
  • 06Web2 coverage
  • 07Post-launch updates auditing
Explore Vanguard byGuardian

Public work

Secured by Guardian.

Explore our work
Public reports
320
Findings reported
9,617
Critical findings
343

Client Stories

Trusted by teams with billions at stake

We complete dozens of engagements with our close partners to secure their entire digital asset stack from head to toe.

Every smart contract update since 2022. $500B+ in total volume secured.

4 years80+ engagements

Tether’s omnichain stablecoin: the contracts, every deployment, and the offchain infrastructure around them.

$150B volume50+ engagements

Omnichain messaging reviewed across EVM, Solana, Stellar, Canton and the validator stack.

5 runtimes20 engagements

Onchain minting infrastructure, critical operations code, Ethena Pay, and continuous updates.

Ecosystem Partner12 engagements

JupUSD, Offerbook and the Yield Store vaults. Jupiter names Guardian in its own documentation.

$3T+ volume9 engagements

The best in the business

Respected as #1 in digital asset security for 5 years.

Guardian's commitment to high quality audits, keeping up with industry best practices and alignment between the auditors and the protocol has led to them being a highly valuable partner in improving security of the protocol
X GMX contributor
Having seen many audits over many years, no one even comes close to Guardian's approach, and the quality of the audit is unmatched.
Kaleb Synthetix
Guardian's thorough audit process have left a strong impression on us. Their keen eye for detail and responsive support are qualities that shine through in every engagement.
Core Team LayerZero
The Guardian team's attention to detail is top-notch. We sleep soundly at night knowing that Guardian went through every detail of our codebase rigorously.
Corey Caplan Dolomite
The Guardian team is incredibly knowledgeable, thorough, and mindful. They caught issues that required extensive knowledge of dependencies.
0xQuit YugaLabs
When Cyfrin wants to work with another auditing team, we choose Guardian.
Patrick Collins Cyfrin
As a security audit company, Guardian's approach to security and overall effectiveness is truly exceptional. Working with them has been a revelation – their auditors are among the best we've ever collaborated with.
Slava Gerashenko Orderly Network
Guardian has an impeccable eye to detail and goes above and beyond to ensure that the code is watertight. They are able to assess super advanced Solidity inline-assembly with ease.
Vectorized Solady Core Contributor
Guardian has been an integral part of the growth of GMX and our ecosystem of protocols who also rely on them for audits. Having Guardian as a strategic partner has allowed us to move more quickly while keeping security as our highest priority.
Coinflipcanada GMX
We very much appreciate Guardian's approach to security and the entire audit process. Guardian goes above and beyond to not only do manual audits but also contributes to verification processes.
Core Team USDT0
You guys did an ace job here as always really appreciate your efforts so far
Core Team Ethena
10/10, Guardian has throughly evaluated our EVM implementation and has identified design flaws that AI agents can hardly identify.
Core Team MegaETH
Our audit with Guardian way exceeded expectations in terms of the number of vulnerabilities they were able to find and the level of service that they provided.
BP Gamma
It's clear that Guardian's a team of talented professionals that care deeply about the end outcome.
2pmflow Azuki
In our previous engagements, the Guardian team was extremely thorough. I also felt that the two-team approach would give a more in-depth coverage of our codebase.
Jem Olympus
Guardian demonstrated professionalism and attention to detail second to none. They identified issues our other auditors missed.
Dow Magna

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