Chain Smart Contract Security Audits

Cyfrin provides industry-leading Abstract smart contract security audits chosen by the biggest decentralized protocols and infrastructure partners.

Trusted by the largest organizations

Chain smart contracts

An Aptos smart contract audit is a comprehensive security review where expert researchers analyze your contract’s code line-by-line to identify vulnerabilities, security flaws, and inefficiencies before deployment.

The audit process uncovers potential exploits that could compromise your protocol and provides actionable recommendations to secure your code. For protocols building on Aptos, this means ensuring your Move contracts properly handle resources, leverage the language’s safety guarantees, and can process high-throughput transactions securely without introducing logic errors or asset management vulnerabilities.

The most reliable way to enhance your Chain protocol security

Leading Chain protocols and projects rely on Cyfrin to improve the security of their users and codebase.

$100B+
Protected on-chain value
120+
Global customers
12
Supported chains

What is an Chain smart contract audit?

An Aptos smart contract audit is a comprehensive security review where expert researchers analyze your contract’s code line-by-line to identify vulnerabilities, security flaws, and inefficiencies before deployment.

The audit process uncovers potential exploits that could compromise your protocol and provides actionable recommendations to secure your code. For protocols building on Aptos, this means ensuring your Move contracts properly handle resources, leverage the language’s safety guarantees, and can process high-throughput transactions securely without introducing logic errors or asset management vulnerabilities.

1
Setup timelines and onboarding
Our engineers will review the codebase complexity and size, estimate the timeline, and open a direct line of communication with your team.
2
The security review begins
Our security researchers review in-scope code and apply different methodologies and techniques to uncover hidden vulnerabilities.
3
Preliminary report and mitigation
A preliminary security report is delivered. Allowing your engineers an opportunity to mitigate findings using the provided recommendations.
4
Final security audit report
Once mitigations have been applied to your codebase, our researchers verify and update each issue in the report and provide any necessary additional information.

Who needs an Chain security audit?

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Financial Institutions
Tokenization and blockchain rails face both technical and regulatory pressure. Provide confidence, compliance, and assurance for partners and regulators.
Consumer brands
From payments to loyalty tokens, brands must protect their users and reputation. Safeguard launches, build trust, and prevent costly security failures.
DAOs & Treasuries
On-chain treasuries and governance contracts hold critical assets. Validate security controls, reduce systemic risk, and protect community funds.
DeFi & DeX
High-value smart contracts are prime targets for exploits. Ensure vulnerabilities are found before attackers do.
Institutions & Governments
National pilots and public funds demand the highest security. Deliver transparency, resilience, and trust for citizens and stakeholders.

Syntetika: Securing Bitcoin-DeFi Infrastructure

Syntetika selected Cyfrin to conduct a pre-launch audit based on our expertise in on-chain security, proven track record, and ability to execute under tight timelines. The engagement was structured around Syntetika's security priorities: Securing staking logic, ensuring mathematical consistency in staking price calculations to prevent frontrunning and sandwich attacks, and secure asset custody within the Minter Contract. Cyfrin's track record in on-chain security, combined with a deep understanding of complex DeFi protocols and institutional requirements, made it an ideal partner for Syntetika. The team's expertise in vault-based protocols and compliance-required security assessments aligned perfectly with Syntetika's unique architecture and focus.

Read PwC’s story

Suzaku: Securing Multi-Asset Staking Infrastructure

Suzaku sought Cyfrin’s expertise to enhance the security of its multi-asset class staking systems designed to serve as the backbone for Avalanche L1 networks. Cyfrin's expertise in blockchain security, combined with deep knowledge of Avalanche's unique architecture enabled the team to conduct a thorough review, execute a detailed manual audit, and implement sophisticated testing strategies. These, along with comprehensive mitigation support, enabled Suzaku to address vulnerabilities and strengthen the protocol’s security before mainnet launch.

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Hardening Sablier’s v2.2 Codebase

Sablier sought a competitive security audit platform with top auditors with extensive experience examining DeFi protocols and the knowledge to uncover unique, hard-to-find vulnerabilities, even in previously audited code. The goal was to strengthen the protocol’s security, preserve its competitive edge, solidify user trust in the system, and maintain Sablier’s record of no hacks.

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Fortifying the security of Oku Trade Uniswap v3 and Chainlink based on-chain limit orders

Oku Trade sought Cyfrin’s expertise to enhance the security of its new Chainlink automation-based Uniswap Limit Orders feature. Cyfrin’s team, with deep Chainlink knowledge, conducted a thorough review and a detailed manual audit. This, along with comprehensive mitigation support, enabled Oku to address vulnerabilities missed by previous audits.

Read PwC’s story

Secure your Chain protocol today

Join some of the biggest protocols and companies in creating on-chain finance. Our security researchers will help you throughout the whole process.

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