At Crypto Legal, we provide a comprehensive smart contract audit service developed in close collaboration with HashEx, a leading authority in blockchain security. This service is designed to protect decentralised systems from critical vulnerabilities, regulatory misalignment, and reputational risk by offering an in-depth legal and technical assessment of blockchain-based code.
Smart contracts form the core infrastructure of decentralised applications, facilitating transactions, enforcing rules, and managing assets without intermediaries. Despite their automated nature, they are not immune to error or exploitation. Even thoroughly tested code may contain hidden logic flaws, security loopholes or performance inefficiencies. Hackers actively target such weaknesses, often with devastating consequences for projects and users alike.
A properly conducted audit not only detects existing vulnerabilities but also serves as a preventative mechanism, providing an external check against both code quality and business logic implementation. In today’s regulatory and commercial environment, smart contract audits have become a non-negotiable component of due diligence for projects seeking to build user confidence, attract institutional support, or operate within compliance-focused jurisdictions.
Through our partnership with HashEx, we combine technical excellence with legal and regulatory awareness. HashEx brings a proven track record in smart contract analysis, having audited protocols across major ecosystems such as Ethereum, Binance Smart Chain, Avalanche, Polygon, Solana, Arbitrum, and many others. Their clients include high-profile projects such as SafeMoon, Venus Protocol, Trader Joe, ApeSwap and HurricaneSwap.
Crypto Legal supports this technical assessment with legal analysis tailored to the jurisdictional and commercial context of your project. This includes evaluating how code-based mechanisms interact with regulatory obligations, contractual claims, investor disclosures, and operational risk frameworks. Our role is to ensure that, beyond being technically secure, your smart contract is fit for purpose in a legal and commercial sense.
A typical audit includes, but is not limited to, the following stages:
– Initial scoping to understand your project’s function, intended use, and business logic
– Static code analysis, using automated tools to detect vulnerabilities, redundancies, and inconsistencies
– Manual code review by HashEx security engineers, targeting logic flaws, economic exploits and privilege escalations
– Exploit testing and validation, using simulation tools and test environments to assess attack vectors
– Efficiency and optimisation review, ensuring the contract operates cost-effectively under expected network conditions
– Legal analysis, focusing on contractual structure, user rights, and regulatory implications
– Remediation recommendations, supported by a consultation with your development and legal team
– Final audit report, combining technical documentation and legal commentary for stakeholders and regulators
HashEx conducts audits across a wide range of programming languages and blockchain environments, including Solidity, Rust, Vyper and others. Supported networks include Ethereum, BNB Chain, Avalanche, Polygon, Solana, Arbitrum, Fantom, NEAR, zkSync, Linea, Base, Cosmos, Polkadot, Terra, TON, Hedera and Zetachain. This flexibility allows us to support diverse use cases, from simple token contracts to complex DeFi platforms and NFT marketplaces.
HashEx’s audits are grounded in both industry-standard practices and proprietary techniques developed from extensive experience in the field. Their methodology allows for repeatable, reliable testing, which is further reinforced by manual review to catch nuanced risks missed by automation.
Once we receive your request, the process typically follows these stages:
1. Engagement and code submission: Your team provides the contract and supporting documentation.
2. Initial code review and quotation: HashEx reviews the complexity of your codebase and provides a time estimate.
3. Audit execution: Technical specialists at HashEx begin the formal audit using automated tools, manual inspection, and live testing.
4. Preliminary report issuance: An internal report is shared with your team, highlighting issues to be fixed.
5. Bug fixing and feedback loop: You are given time to address the findings and resubmit the contract if needed.
6. Final audit report: A public-facing report is issued, detailing vulnerabilities, fixes applied, and residual risks.
7. Legal review: We assess and document legal implications, preparing an additional advisory note if required.
A technically secure contract is only part of the equation. At Crypto Legal, we consider how that code functions in practice, how rights and obligations are defined, how the contract might be interpreted in legal disputes, and how compliance risks such as token classification, investor obligations, and disclosure requirements are addressed.
Where appropriate, we advise on how smart contract architecture interacts with AML obligations, financial promotion restrictions, and consumer protection rules under UK and EU law. We can also provide written commentary for your whitepapers, token terms, or platform documentation referencing the audit outcome.
The consequences of unaudited or poorly audited contracts are well known: millions in lost assets, brand collapse, regulatory enforcement, and irreversible user mistrust. Regular audits demonstrate operational maturity, increase investor confidence, and reduce long-term risk exposure. As HashEx rightly notes, the cost of a professional audit is negligible when compared to the damage resulting from an exploit or compliance breach.
Our audit service offers a dual-layered review. HashEx ensures technical integrity, while Crypto Legal ensures that the legal and commercial architecture surrounding your smart contracts meets best practice standards. Together, we provide a higher standard of accountability and risk mitigation than either party alone.
To begin an audit or request more details, please contact us via email at info@cryptolegal.uk.