Reentrancy Attacks
Critically, reentrancy attacks let external calls re-enter contracts before execution ends, allowing attackers to drain funds or manipulate state, often hitting DeFi projects.
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Security is the backbone of any blockchain or DeFi project, and a smart contract audit is the essential first step in safeguarding your ecosystem. With millions or even billions of dollars at stake, a single overlooked bug has the capacity to spell disaster for both users and project founders. Every line of code carries immense responsibility, and even a minor vulnerability can be exploited by bad actors, leading to significant losses and lasting reputational damage. That’s why a thorough, professional audit is essential; it helps you catch vulnerabilities early, build trust within your community, and prove your commitment to protecting every stakeholder.
At Blockchain App Factory, we handle the heavy lifting of smart contract audits so you can focus on your launch. Our well-versed team dives deep into your code using tried-and-true methods and the latest tools, giving you clear, actionable feedback and keeping your project secure from the start. Want to get serious about security? Join hands with Blockchain App Factory and let’s make your audit process smooth and stress-free.
A smart contract audit is a detailed review of a smart contract’s code conducted by security experts. The primary goal is to identify and resolve bugs, vulnerabilities, or potential exploits before the contract goes live. Auditors meticulously examine every line of code, checking for errors, logic flaws, and security risks.
The audit process typically involves a combination of automated testing, manual code review, and advanced tools such as formal verification. Once the review is complete, auditors provide a comprehensive report with recommendations and solutions for any issues discovered, ensuring the contract’s integrity and robustness.
Smart contract audits are crucial for DeFi, Web3, and blockchain projects, as they safeguard user funds and protect project reputation. By verifying that the contract is secure and functions as intended, audits help build trust with users and investors, supporting the long-term success of blockchain initiatives.
Smart contracts are permanent, and errors can be costly. Pre-deployment audits ensure they meet security standards and function smoothly, preventing vulnerabilities and ensuring reliability. Gain these benefits with a smart contract audit before launching on mainnet
Audits meticulously examine your code for vulnerabilities that could be exploited by malicious actors, preventing costly hacks and breaches while securing your contract.
Audits identify vulnerabilities in your smart contract and offer actionable recommendations to fix them, ensuring your contract's integrity and safeguarding your platform.
The audit process encourages your developers to follow best coding practices, resulting in cleaner, more efficient, and reliable smart contracts that improve your code quality.
A successful audit shows your commitment to security, fostering trust among users and investors and reinforcing your reputation for reliability and clarity in blockchain.
With nearly a decade of hands-on audit experience in smart contract audits, we’re all about keeping blockchain projects safe and secure. Our team of security pros digs deep to spot hidden vulnerabilities, fine-tune performance, and make sure you’re up to speed with industry standards. Let us help you protect your assets with solutions that build real trust and deliver solid security. Smart contracts are driving the future of blockchain, but if they’re not properly checked, the risks can get serious. Check out these stats:
In just six months of 2025, smart contract-related exploits resulted in over $2.2 billion in losses, underscoring the importance of comprehensive contract audits.
Critically, reentrancy attacks let external calls re-enter contracts before execution ends, allowing attackers to drain funds or manipulate state, often hitting DeFi projects.
This notable issue occurs when improper state variable reset after operations causes fund miscalculation, resource drain, or asset locking, risking user funds and long-term project reliability.
This important issue occurs when insufficient input and authorization validation allow unauthorized access or malicious data, compromising contract security and putting user assets at risk.
This vulnerability involves front-running and transaction order manipulation, which exploits predictable order, allowing attackers to profit unfairly by skewing outcomes at the expense of users.
This issue of cross-chain deposit discrepancies from multi-chain handling errors can lock, duplicate, or misallocate funds, causing financial imbalances and desynchronization.
This issue of decimal mismatch vulnerabilities from mishandled token decimals causes rounding errors, mispriced trades, and inaccurate asset allocation or distribution.
It occurs when incorrect external protocol integration leads to asset loss or unexpected behaviors by failing to properly interact with protocols, leaving user funds at risk.
It occurs when incorrect execution flow in strategies causes flaws in staking or farming order that can lock funds, trigger failures, or create exploitable openings for attackers.
By choosing our trusted audit services, blockchain projects can confidently launch and scale, knowing that all types of smart contracts have undergone rigorous scrutiny and are resilient to attacks.
We audit DeFi platforms managing huge user funds by catching vulnerabilities, securing assets, and supporting reliable transactions so your protocol remains safe from major attacks.
Our audits protect token launches like ICOs, IDOs, and STOs from exploits, guarantee compliance, and build strong user confidence throughout your project’s critical launch lifecycle.
We review DEXs using smart contracts for trading and liquidity, preventing losses and helping your decentralized exchange deliver secure and efficient trading experiences for users.
We audit NFT platforms to secure minting, trading, and transfers, guarantee asset safety, verify authenticity, and protect your marketplace from costly exploits or security threats.
We audit blockchain gaming platforms, safeguarding in-game economies, securing digital assets, and ensuring your users enjoy trusted and safe gaming throughout your ecosystem.
Our audits for supply chain projects prevent fraud, promote clarity, and safeguard every step so your tracking, payment, and authenticity mechanisms remain robust and trustworthy.
We audit governance protocols like DAOs, preventing manipulation, upholding fairness, and reinforcing the integrity of your decentralized voting and rule enforcement mechanisms.
Our audits secure cross-chain bridges and ensure asset transfers between blockchains are safe and reliable, protecting users from high-impact exploits and interoperability risks.
We review stablecoins and payment gateways to ensure your smart contracts provide reliable, compliant transactions and strong fund protection across the essential payment ecosystem.
With our responsive smart contract auditing services, your project benefits from rapid analysis, expert support, and actionable security recommendations that safeguard user funds and reputation.
We review your smart contract code line by line to spot logic flaws, security issues, and missed best practices, so your project’s code stays robust, secure, and industry-compliant.
Our team combines automated scanners and manual testing methods to uncover a wide range of vulnerabilities, both critical and subtle, within your smart contract’s underlying logic.
We define and verify essential contract properties, making sure these conditions always hold true so your smart contract remains reliable and correct throughout its entire execution.
Our auditors analyze your system’s attack surfaces, identify high-risk entry points, and prepare defences so your smart contract can withstand potential real-world exploitation scenarios.
We evaluate weaknesses that could cause financial losses in your contract and provide detailed strategies for risk reduction to protect your funds and keep investors confident.
Our specialists conduct controlled attack simulations to uncover exploitable vulnerabilities in your smart contract that might be missed by regular code reviews or static analysis.
We use mathematical proofs and advanced logic to certify your smart contract’s behavior, minimizing risks by confirming it functions as intended under all possible input conditions.
Our advisory services offer ongoing support, architecture guidance, and security upgrades, helping you maintain robust, compliant, and future-proof smart contracts post-deployment.
We’ve provided expert smart contract audits for top blockchain projects, guaranteeing robust security and trust. Here are the projects we’ve secured so far, each marking a milestone in excellence.
We performed a comprehensive smart contract audit for Humanity Protocol, strengthening their digital ID solution and ensuring user privacy, robust security, and reliability in Web3 identity management.
Our team audited the smart contracts powering George on Base, perfecting workflow automation and document management while improving compliance, system integrity, and secure business operations.
We delivered an in-depth audit of Spectra’s smart contracts, reinforcing the security of their digital asset token and protecting users as they trade, manage assets, and interact with DeFi applications.
Our smart contract audit for StablR USD enhanced the stability and reliability of their stablecoin, ensuring secure transactions, accurate collateral management, and trust for stable digital payments.
Numine’s smart contracts underwent our rigorous audit process, resulting in improved transactional security, reduced risks, and greater user confidence for cross-chain payments and digital asset management.
We conducted a thorough smart contract audit for Self-Chain, fortifying their Layer-1 blockchain ecosystem to guarantee user-friendly keyless wallets and reliable AI-powered automation for Web3 access.
Find out how auditors dig into your code, use AI to track down hidden risks, and bring in formal methods to verify your smart contract’s security and reliability on blockchain.
Identify vulnerabilities, enhance security and performance, and risk-free blockchain deployments with the benefits of our detailed smart contract audit.
Fortify security by fixing vulnerabilities such as reentrancy, integer floods, and external calls, ensuring the contract is secure from exploits and nurturing blockchain integrity.
Ensure error-free blockchain operations by auditing to confirm they function as intended, preventing disruptions and guaranteeing a smooth, reliable application experience.
Mitigate loss prevention by identifying and managing risks from malicious attacks or flaws in the code, ensuring the project is safe from financial loss or security breaches.
Ensure legal compliance by auditing smart contracts to verify they meet industry regulations, mainly for finance and healthcare, preventing legal challenges and compliance issues.
Trace logical errors by detecting flaws in the contract’s logic that could lead to unintended behavior or security holes, allowing developers to resolve issues before deployment.
Optimize gas consumption by auditing contracts to reduce unnecessary gas usage, improving transaction efficiency, lowering costs for users, and enhancing blockchain performance.
Build investor trust by confirming the smart contract’s reliability through audits, making the project attractive to investors, & ensuring funds raised are secure and well-managed.
Gain public recognition by ending audits and obtaining certifications, improving visibility through platforms like CoinMarketCap or CoinGecko, & raising trust in blockchain projects.
We perform extensive security audits on smart contracts for popular blockchain platforms, ensuring a secure and flawless deployment for your application.
Ethereum
Hyperledger
Solana
Cardano
Polkadot
TRON
Binance Smart Chain (BSC)
Cosmos
Corda
Tezos
Avalanche
By understanding your business and smart contract specifics, we develop customized smart contract audit solutions that provide robust security and ensure your contracts meet your goals.
Ethereum
Tron
BNB Smart Chain
Avalanche
Arbitrum
Polygon
Solana
Base
Check out our flexible smart contract audit packages to match your project’s needs, budget, and goals. Choose the level of security and support that’s right for your blockchain journey.
Price (USD) | Starter Package ($4,000–$6,000) |
Professional Package ($8,000–$12,000) |
Enterprise Package ($14,000–$20,000+) |
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Through years of hands-on practice and extensive auditing, we’ve developed a robust smart contract audit framework created to eliminate risks and enhance the security of your project
The report covers results from unit and integration tests, evaluating component functionality and system interactions.
It includes automated test results, identifying bugs and vulnerabilities impacting the smart contract.
The report analyzes the smart contract’s logic and efficiency, highlighting inefficiencies and suggesting improvements.
It outlines security vulnerabilities, assessing the contract’s ability to resist attacks and potential exploits.
Findings on the contract’s security features, including its protection against risks like reentrancy attacks and overflows, are included.
The report concludes with actionable recommendations for resolving identified issues and improving security and functionality.