Welcome listeners of Unchained with Laura Shin! Please enjoy a 5% discount for your next security audit. Promotion valid until June 30th 2019

🛡🔐 Click and Enter the code UNCHAINED to get started

Welcome listeners of Unchained with Laura Shin! Please enjoy a 5% discount for your next security audit. Promotion valid until June 30th 2019

🛡🔐 Click and Enter the code UNCHAINED to get started

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Request a Smart Contract Security Audit

You can request an audit by filling this form or by writing to us at any time: audit@quantstamp.com

Security Audit

Expert Smart Contract Security Audits

We provide verification that your decentralized system works as intended.
Request a Security Audit
Smart Contracts are not secure
Blockchains are secure, smart contracts are not.
Money lost due to bugs and hacks
$300M+ has been lost due to bugs and hacks in smart contracts.
Quantstamp identifies vulnerabilities and solves them
Let Quantstamp identify vulnerabilities and help solve them.
Our most popular audit reports:
Quantstamp is a full stack blockchain security company
  • We wrote the first textbook on Smart Contract Security
  • We leverage our deep expertise in formal verification to help our clients ship safe code.
  • We have a top team of PhDs and security professionals who have a combined total of over 900 Google Scholar citations.
  • Our peers trust us to solve hard problems like Plasma.
Expert audits for decentralized systems

We will make sure your smart contracts work as intended. Our team will not only identify security vulnerabilities in your systems, we will work alongside you to solve them. We provide security solutions that address the entire lifecycle of a project: before, during, and after deployment.

What we work on

We are blockchain agnostic and have audited client systems in Solidity, Vyper, Hyperledger, EOS and Corda. We've audited consensus mechanisms, network forks, and complex smart contract systems. We work on the most challenging projects. Are you building a decentralized system in a different language or platform? We'd love to learn more.

Our selected customers and partners
Exchanges and Decentralized Finance
Binance, eToro, Sharespost, Crypto.com, NUO, Ampleforth, Lendroid, MakerDAO Grantees, LimePay, Pool Together, Rockstable
Blockchain Companies
Chainlink, OmiseGO, Mainframe, Carry Protocol, Wanchain, Wax, Request Network, GoExchange, QuarkChain, CoinZoom, Metaps Ecosystem, Shyft Network, Edgeware Lockdrop, Clear Markets
Ecosystem projects
OMG Plasma MVP, ETH 2.0 Deposit Contracts, Beacon Chain Simulation
Non-profits
World Economic Forum, Chamber of Digital Commerce, MOBI
Research partners
NUS, MIT, MythX
"When developing our Plasma MVP Implementation, we wanted to have strong security guarantees. As a scalability solution, our plasma implementations could potentially be handling massive transaction volumes. Quantstamp has audited large-scale, mission-critical initiatives in the past, and working with Quantstamp was an obvious decision to make."
Vansa Chatikavanij
CEO of OmiseGO
“Quantstamp was great to work with. They were professional and efficient when working with us to make sure that our production contracts were secure. Their comprehensive analysis resulted in an easy to use audit report that showed where things could be improved and ultimately gave us confidence in our smart contracts.”
Mick Hagen
Founder & CEO
“Quantstamp’s audit process was comprehensive and streamlined. They provided thorough feedback in addition to an audit certificate and auditor’s opinion letter that gave our stakeholders confidence in our smart contracts.”
Noah Thorp
Vice President of Engineering, Sharespost
“Quantstamp's ability to quickly produce comprehensive and insightful audits has proven them to be an invaluable partner for our grantees. The importance of the extra layer of due diligence they provide can't be overstated.”
Richard Brown
Head of Community Development at Maker
Our process:
You will have an initial meeting with a Quantstamp business lead and lead auditor.
After receiving all necessary documentation and artifacts, we will assess the workload and provide a quote.
Once accepted, 3 - 4 of our auditors will independently review your code and documentation. They will check whether the code conforms to the provided specification. They will also perform automated analyses on the code, run the test suite, and measure test coverage.
Our auditors will then discuss any differences in their findings and come to consensus on solutions and recommendations.
Our audit lead and business lead will communicate with your team if we need any further information.
Quantstamp Verified security certificate
Keep your funds safe. Protect your reputation. Add the value of trust to your smart contract project.

Our quotes and turnaround times vary according to the codebase’s length and complexity.

Send an email to audit@quantstamp.com with details about your project’s website, links to your source code, and documentation to receive a quote.

We provide confidential initial reports, web hosted public final certificates for easy sharing with stakeholders and also formally written letters for compliance departments to confirm the results of a security audit.

Ready for a consultation? Get started verifying your code today:
Request a Security Audit
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