Solidity Smart Contract Audit – Blockchain Security

Solidity Smart Contract Audit

Smart contract auditing is a process that implies careful checking of a piece of code – a Solidity contract, to fix bug bounties, common vulnerabilities, and risks before the solidity code deployment and use on the leading Ethereum network, where it can no longer be modified.

Please note that an audit is not a legal paper confirming the safety of the solidity code. No one can 100% guarantee that there will be no future bugs or vulnerabilities in the code after such an audit. It guarantees that an expert has reviewed the Solidity code and is safe.

Solidity Smart Contract Audit Structure

Let’s highlight the smart contract audit structure:

  • Responsibility denial. It is important to note here that an audit is not a legally binding document and that it does not guarantee anything;
  • Audit overview and valuable features. It is a quick overview of a smart contract that will be tested using best practices;
  • The smart contract attacks. This section contains information about attacks on the contract and the results;
  • Critical contract vulnerabilities. These are crucial issues that can seriously damage the integrity of the contract. For example, some bugs that would allow attackers to steal either a critical issue;
  • Medium contract vulnerabilities are those vulnerabilities that can damage the contract, but with some limitations;
  • Low-grade vulnerabilities are those problems that do not break the contract and can significantly hurt the deployed version of the contract;
  • Comments on code lines. This section contains an analysis of the most important lines that have potential improvements;
  • Summary of the Audit. It is the opinion of experts on the contract and the audit’s conclusions.

Smart contract audit reduces the time and financial costs to achieve the result: the blocking and transfer of money occur automatically, without human intervention. Also, thanks to this, the number of trusted participants in the financial chain will be minimized. It is how trust grows between the parties to the project.

Smart contract audit secure hundreds of billions of dollars of value, but they’re mainly incomprehensible to anyone who hasn’t learned one of the programming languages they’re written in. And these languages are brand new: Solidity – the first fully-featured smart contract programming language – is less than a decade old.

Benefits of Solidity Smart Contract Audit

A smart contract tracks and ensures the fulfillment of obligations. The parties prescribe in it the terms of the transaction and sanctions for their non-fulfillment, putting digital signatures. Among the advantages of smart contracts are the following:

  • Protection against unauthorized changes;
  • Transparency. Participants can track the stages of execution of a smart contract in real time;
  • Confidentiality. Even though all warranties are stored in the distribution registry, the parties can remain anonymous;
  • High speed of work;
  • Self-execution. Thus, the participants in the transaction are deprived of the chance not to pay, hide essential facts, to miss the deadline.

Providing advanced blockchain technology security tools and the seasoned, smart contract auditor ensures the readiness of the Ethereum applications for deployment in an instant with strong user protection. Preventing expensive mistakes by auditing the code early on the project lifecycle prevents potentially destructive vulnerabilities. Automated scan API provides a secure contract security solution at an affordable rate while keeping the smart contract code in safe hands.

How does a Solidity Smart Contract Audit Work?

Experts will evaluate the smart contract logic and decide on the security features to test. A smart contract auditor will perform several analysis processes parallel to the code, completing the manual check for anomaly detection. An auditing firm provides a complete audit report that includes vulnerability details, mitigation advice, and options to continue verification.

So, the teams working on blockchain projects can get a comprehensive code review and vulnerability report. It provides vulnerability details, step by step guide on how to mitigate the consequences and options for formal verification. For example, they can use MythX and Fuzzing software tools to detect properties and security vulnerabilities to prevent costly smart contract rewrites before deploying. Such security tools merge into the development environment. So the perspective of careful continuous security analysis and smart contract audit report becomes the project’s engine.

Solidity Smart Contract Vulnerability Authentication

Most programs never possessed security vulnerabilities or bug-proof features – smart contracts don’t have anything like this. A study published by Bleeping Computer revealed 34,200 vulnerabilities in Ethereum smart contracts. This story explains how the software was developed following the finding of inaccurate data from a smart contract launched by DAO. The hacking team stole $50m from ICOs and then tricked them. This figure helps to understand its magnitude and demonstrates how a thorough, smart contract security audit can significantly make a difference.

Why is a Solidity Smart Contract Security Audit Important?

Currently, a fundamental problem in the smart contracts industry is security. Concerned about inefficiency, cybersecurity may lead to enormous costs if used in blockchain-based smart contract development. Moreover, coding errors may cause the theft of vast amounts of cash. A DAO breach on the Ethereum blockchain, for example, took over $60M in ETH. Consequently, business owners have concerns that Smart Contract deployments are irreversible.

Smart contracts must perform at optimal performance before rolling out. The performance of smart contracts directly depends on code quality. All smart contract audits are therefore based on performance verification. Poorly optimized contracts are costly. Validation may require the check of code to identify errors that may cause a delay in or affect the contract performance.

Solidity Smart Contract Audit: Pros & Cons

Smart contract auditing followed by a detailed report has many benefits. One of the main benefits of auditing a smart contract is that it can help identify bugs and vulnerabilities in the code. So users can avoid significant financial losses, and your contact will meet all possible requirements. Each blockchain project manager understands how important it is for a smart contract to comply with the law and have reasonable performance claims.

One of the main disadvantages is that it can be expensive and time-consuming, primarily if the client uses a company specializing in this service to conduct a comprehensive examination.

Overall, the benefits of applying to smart contract auditors outweigh the drawbacks. However, it is essential to weigh all factors before conducting an audit.

Smart Contract Audit & Solidity Assessment

Smart contracts are flexible instruments that track physical things or intellectual property and enable and validate transactions. Because smart contracting has the authority to share high-value resources across complex software and is mainly self-sufficient, security and coherence are crucial. Understanding possible contract flaws or discovered errors is vital to smart contract security. Smart contract security audits examine smart contract security thoroughly to ensure the security of your investment.

Smart contract audit cost is affected by a variety of essential elements. In the first place, the most important thing to consider is whether companies or startups use their internal staff or an outsourced developer team. Although it may cost a lot of people a bit more to outsource smart contract audits, they are likely much more likely to discover security vulnerabilities. Several smart code experts have developed websites that provide the opportunity to submit code on GitHub for a thorough report and security audit.

Solidity Audit Features

InterFi offers a unique intelligent audit of contracts for a wide range of clients. The audits are rigorous, inexpensive, trustworthy, and quick.

Fast & Affordable

Prices vary depending on time and complexity. A standard contract audit cost is $699. Fast turnarounds are available. They offer four-day turnarounds on auditing and three-day turnarounds on audited accounts.

Manual Code Audit

The expert team can discover several security weaknesses in Solidity contract software and will suggest improvements. Firstly, preliminary reports are available for revision free.

Manual Review vs. Automatic Code Analysis

Despite some rewards, if one can guess what manual code analysis involves, these approaches can provide several advantages. Using smart contracts is the only way to identify code problems that a software engineer does not resolve. The team will undertake manual reviews of the codes, which examine the code to reduce errors and prevent the reentry of code. It is natural to pay special attention to identifying and remedial measures to protect smart contracts, as they are the most significant threats. So, security auditors manually double-check the code to eliminate spurious results.

Smart Contract Optimization Via Gas Analysis

The costs of the auditing process are usually covered by Ethereum project electricity. Gas price varies based on complex Smart Contract Designs. In this instance, it varies depending on the number of code operations needed to be performed in an Ethereum blockchain VM. For an accurate picture of how much maintenance it costs on Ethereum-based Smart Contracts, the users should check the list of Ethereum pricing. Before developing smart contracts, they must know the gas costs associated with that contract operation.

Blockchain Security & Ethereum Smart Contract Audits

Cryptocurrency is an essential element of the blockchain space. So, auditors help entrepreneurs and businesses develop their own Ethereum blockchain applications from scratch and maintain their applications. B9labs’ community includes more than 1,500 people worldwide. Find people with whom you can work on projects, share ideas and discuss technical issues in detail.

Auditing services and tools are of great importance! First, it helps to keep the contracts safe and secure. Clients can ensure that their assessment is thorough and thriving by following the appropriate procedures and considering the costs and time involved. If they understand all the pros and cons, smart contract auditing can be valuable for the project.


How much does a solidity audit cost?

Audits cost essentially $699. A quicker turnaround could require additional costs.

How long does a smart contract audit process take?

It is impossible to give an unambiguous answer to this question because each project has a different complexity, urgency, and the size of smart contracts can be fundamentally different. For example, it might take the auditors a week, maybe three. However, audits are usually completed by large projects or protocols within one month.

How much do smart contract audits cost?

Teams providing smart contracts auditing typically charge from $55,000 to 150,000 USD, depending on complexity.

How do experts audit an Ethereum smart contract?

The smart contract audit is similar in scope to software development source code analysis and its weaknesses.