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Smart Contract Audit
Assess your smart contract to identify vulnerabilities and risks, then recommend fixes to ensure security and compliance.
TRUSTED BY BLOCKCHAIN INNOVATORS WORLDWIDE
8+
years of expertise
600+
secured clients across Web2 & Web3
200,000+
threats prevented before exploitation
5,000+
assets protected (smart contracts, networks, apps,...)
24/7
monitoring and response
Security Gaps Can Cost You Everything – Are You Covered?
Missed Vulnerabilities
can lead to exploits and financial loss
High Security Expenses
may provide limited value
Slow Audits
disrupt development and delay launch
Unclear Reports
make remediation difficult and slow
Did you know
$2.36 Billion
total loss across 760 on-chain security incidents in 2024
$3.11 Million
lost per hack in 2024, a 23.04% increase from the previous year
51.4% vs 48.6%
DeFi leading, CeFi following in total losses
47%
of the top 50 cyberattacks in 2024 due to smart contract vulnerabilities
CyStack Delivers Efficient and Reliable Smart Contract Audit!
Accurate, Expert-Driven Findings
Our team of security experts uncover vulnerabilities through thorough, in-depth analysis
Fast, Flexible Process
Our audits adapt to your project’s code size, ensuring faster onboarding and timely results without compromising quality
Cost-Optimized Security
We deliver maximum value and optimal protection for your investment
Clear, Actionable Insights
We deliver clear, structured remediation steps to help you fix issues efficiently
How Our Security Process Works
step 1
You request our service
Step 2
We share a quote
1-2 business days
Step 3
We conduct security assessment
1-2 business days
Step 4
We provide report & remediation steps
1-2 business days
Step 5
We perform follow-up review
1-2 business days
Step 6
We provide certification and ongoing support
Expertise Across Platforms & Languages
Accepted by Exchanges Worldwide
Audits Completed in 3 - 7 Days
Up to 3 Free Re-audits
Clear, Actionable Reports
Smart contract auditing is essential to securing your blockchain project. We review your smart contract for vulnerabilities, logical flaws, and security risks, focusing on issues like reentrancy, overflows, and access control.
We also optimize gas efficiency and provide a detailed report with actionable remediation steps.
Inside Our Smart Contract Audit:
What We Analyze and What You Get
Step 1
Input
Step 2
CyStack Audit Process
Step 3
Output
You send us your smart contract code, including:
- Source code
- Dependencies & third-party libraries
- Technical documentation & intended functionality
- Deployment parameters & execution constraints
Critical Vulnerabilities Tested
These are just some of the vulnerabilities we test. Our audits go beyond, using expert review, AI, and mathematical validation to ensure the security, functionality, and compliance of your smart contract.
1
Risk: Funds theft, protocol collapse.
2
Risk: Contract takeover, stolen assets.
3
Risk: Token inflation, financial instability.
4
Risk: False pricing, manipulated trades.
5
Risk: Unauthorized execution, fund loss.
6
Risk: Protocol failure, massive financial loss.
Our Expertise Across Major Platforms and Languages
We’ve audited a wide range of Web3 projects across various blockchain platforms and in every major programming language. With over 8 years of experience and a proven track record, we bring a deep level of expertise to every audit, ensuring your project is secure and compliant.
When it comes to blockchain security, we deliver the highest standards.
Languages
| Solidity | Rust | Move | Go | C# |
| C++ | Java | Python | Cairo | Scrypto |
| Swift |
Platforms
| Ethereum | BSC | Polygon | Optimism | Avalanche |
| Arbitrum | zkSync | Fantom | Linea | Aptos |
| Sui | Solana | Near | MultiversX | Polkadot |
| Cosmos | Base | MetaChain | Whitechain | StarkNet |
| Radix | Algorand | Cardano | Bitcoin | EOS |
| Stellar | TON | Tron | VeChain | Hedera |
| Tezos | Bitlayer |
Deliverables
Why CyStack?
With over 8 years of experience securing both Web2 and Web3 projects, our team of experts is trusted to protect blockchain systems across major protocols, including Ethereum, Binance Smart Chain, and Polygon.
We handle all aspects of Web3 security, from smart contracts to dApps and cross-chain solutions. Our approach is straightforward: we use trusted tools and thorough manual review to identify vulnerabilities and provide clear, actionable guidance.
We understand that time is crucial in blockchain projects. That’s why we provide fast, efficient protection to ensure your project is ready for launch, without unnecessary delays, so you can move forward with confidence.
We handle all aspects of Web3 security, from smart contracts to dApps and cross-chain solutions. Our approach is straightforward: we use trusted tools and thorough manual review to identify vulnerabilities and provide clear, actionable guidance.
We understand that time is crucial in blockchain projects. That’s why we provide fast, efficient protection to ensure your project is ready for launch, without unnecessary delays, so you can move forward with confidence.
Certifications and Awards
What Our Clients Say
Using CyStack’s managed cybersecurity services has been a game-changer for ONUS. Their 24/7 monitoring, tailored solutions, and cost-efficient expertise allow us to focus on scaling our core business without the burden of building an in-house security team.
Chien Tran
Founder & CEO
CyStack's team is highly professional, skilled, and truly understands our needs. Their customer support is responsive and reliable, making our experience seamless. We've had great success working with them and highly recommend CyStack to anyone looking to enhance their security.
Dmitriy Gerasimov
FOUNDER/CEO CELLFRAME
This has been a very promising first step in what I hope will be a long and productive partnership. We have other projects on the horizon, and I look forward to exploring those with CyStack when the timing is right.
Cong Hoang
CTO
Using CyStack’s managed cybersecurity services has been a game-changer for ONUS. Their 24/7 monitoring, tailored solutions, and cost-efficient expertise allow us to focus on scaling our core business without the burden of building an in-house security team.
Chien Tran
Founder & CEO
CyStack's team is highly professional, skilled, and truly understands our needs. Their customer support is responsive and reliable, making our experience seamless. We've had great success working with them and highly recommend CyStack to anyone looking to enhance their security.
Dmitriy Gerasimov
FOUNDER/CEO CELLFRAME
This has been a very promising first step in what I hope will be a long and productive partnership. We have other projects on the horizon, and I look forward to exploring those with CyStack when the timing is right.
Cong Hoang
CTO
Using CyStack’s managed cybersecurity services has been a game-changer for ONUS. Their 24/7 monitoring, tailored solutions, and cost-efficient expertise allow us to focus on scaling our core business without the burden of building an in-house security team.
Chien Tran
Founder & CEO
CyStack's team is highly professional, skilled, and truly understands our needs. Their customer support is responsive and reliable, making our experience seamless. We've had great success working with them and highly recommend CyStack to anyone looking to enhance their security.
Dmitriy Gerasimov
FOUNDER/CEO CELLFRAME
This has been a very promising first step in what I hope will be a long and productive partnership. We have other projects on the horizon, and I look forward to exploring those with CyStack when the timing is right.
Cong Hoang
CTO
Using CyStack’s managed cybersecurity services has been a game-changer for ONUS. Their 24/7 monitoring, tailored solutions, and cost-efficient expertise allow us to focus on scaling our core business without the burden of building an in-house security team.
Chien Tran
Founder & CEO
CyStack's team is highly professional, skilled, and truly understands our needs. Their customer support is responsive and reliable, making our experience seamless. We've had great success working with them and highly recommend CyStack to anyone looking to enhance their security.
Dmitriy Gerasimov
FOUNDER/CEO CELLFRAME
This has been a very promising first step in what I hope will be a long and productive partnership. We have other projects on the horizon, and I look forward to exploring those with CyStack when the timing is right.
Cong Hoang
CTO
Using CyStack’s managed cybersecurity services has been a game-changer for ONUS. Their 24/7 monitoring, tailored solutions, and cost-efficient expertise allow us to focus on scaling our core business without the burden of building an in-house security team.
Chien Tran
Founder & CEO
