zkSync Smart Contract Audit

Your zkSync smart contracts have never been more protected. Through our extensive auditing approach, we pledge to keep your smart contracts safe, reliable, and streamlined.

zkSync Smart Contract Audit
protected clients
ecosystem partners
top-class engineers
years of expertise

Minimize security risks in your zkSync-based smart contracts.

  • Avoid Costly Errors Image

    Prevent costly exploits

    Detect and fix vulnerabilities in your smart contract with a comprehensive zkSync smart contract code review and security audit.

  • Optimize Your Code Image

    Optimize ZkEVM code

    Get a detailed breakdown of issues based on their severity level with recommendations for fixing from highly experienced smart contract auditors.

  • Increase Audience Trust Image

    Increase audience trust

    A relevant, full-scope Smart Contract audit is a public confirmation of project secureness, which gains significant trust from the community and investors.

Trust our smart contract auditing service for a sturdy barrier against potential hazards:

  • $5.9B

    total value hacked in DeFi

  • $1.9B

    stolen from crypto projects in 2023

  • $275M

    lost due to flash loan attacks in 2023

Who needs zkSync Smart Contract Audit:

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All decentralized applications – decentralized exchanges, launchpads, lendings, farmings, other protocols, which are built on zkSync.

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NFT projects

All zkSync NFT builders and marketplaces for building, creating, designing, buying, and selling non fungible tokens.

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zkSync Bridges

Timely detect and fix vulnerabilities in your bridge before it made severe damage to your project.

When is the best time for zkSync security audit?

  • Before releasing product

  • warning icon

    Upon noticing any malicious activity

  • After zkSync blockchain protocol upgrades

  • Before major listings

Benefits of zkSync smart contract audit by Hacken:

Time Efficient Process Image

Easy To Start

We offer clear deadlines and expectations, effective communication, streamlined audit stages, and support at every stage.

Transparent Pricing Image

Transparent Pricing

No hidden fees or penalties. Transparent zkSync audit price estimation at the agreement stage that does not change.

Expertise Image

Expert Auditors

Hacken is a European auditor with 5+ years of experience, efficient processes, and top engineers leaving no bugs undetected.

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Industry Recognition

All Hacken audits, including zkSync Smart Contract Audit, are recognized by CER.live, CoinGecko, and CoinMarketCap.

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Human face

People at Hacken are real individuals with public leaders. Find us on social media or meet in person at major crypto events.

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Strategic Integration

zkSync is one of our closest allies. We work together to bring a secure and scalable Web3 space.

How does it work?

How Audit Works Image

You submit the required documentation and get the estimation of the audit scope, timeline, and price.

1-2 days

  • 1

    Get a quote

  • 2

    Audit report

  • 3

    Remediation check

  • 4

    Certification and promotion

The complete Smart Contract Audit typically ranges between 5 and 15 business days.

What will you get after an zkSync smart contract audit?


Post audit, you'll be equipped to embed the "Audited by Hacken" seal onto your website.

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Hacken audit will be attached to your project’s page on:

Coingecko LogoCoinMarketCap LogoCertified Logo


Should your project meet Hacken's partnership guidelines, we'll propose an advanced service bundle featuring marketing activities.

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Reach over 100k crypto holders and security enthusiasts on:

Included in our zkSync smart contract audit report:

What Report Includes Image
  • Sorting of vulnerabilities according to their seriousness.

  • Sequential advice on how to address all issues.

  • Final score based on documentation quality, code quality, architecture quality, and security.

Audits examplesView our methodology

Clients say

  • CoinGecko logo

    "CoinGecko is excited about working with Hacken for our bug bounty program. We are well aware of the dangers that vulnerabilities may present to our users and this is one way where we take proactive steps together with Hacken to ensure and improve the safety, security, and integrity of our platform."

    Booby Ong

    Co-founder, CoinGecko
  • Binance logo

    "Hacken’s work to analyze our recent Proof of Reserves update is a great example of the power of community feedback."


  • Near logo

    "We highly recommend Hacken to anyone in need of Web3 security services and a reliable partner for their blockchain initiatives. Their team’s professionalism and expertise in the security space have helped us to secure an ecosystem for our users."

    Isha Tyagi

    Technical Program Manager
  • Aurora logo

    "Hacken has provided mature security audits with a proactive approach, prompt communication and valuable security recommendations. We appreciate our partnership and would recommend collaboration with Hacken to anyone keen to strengthen their code’s resilience."


  • Gate.io logo

    "Internal stakeholders are impressed with the work Hacken has completed so far. An organized team, they’ve managed the project well, never letting the six-hour time difference get in the way of productivity. Customers can expect an experienced and professional partner."

    Tony Wei

    CTO, Gate.io
  • Vechain logo

    "Hacken founders inherited quality, professionalism, and integrity from Deloitte, their ex-employer."

    Sunny Lu

    CEO, Vechain
  • EBSI logo

    "Hacken’s meticulous approach to the audit process ensured that our smart contracts were reviewed comprehensively. Their professionalism and dedication were evident throughout the audit."


  • Wemade logo

    "Hacken has provided highly professional audits with outstanding quality. We are delighted to work with such a well-known and trusted security vendor."

    Jason, Seong Ho Lee

    DeFi Product Owner, Wemade
  • IoTex logo

    "As our security partner, Hacken’s team of experts is a pleasure to work with. Their persistence in making recommendations and solving problems is impressive."

    Qevan Guo

    Co-founder, IoTeX
  • Status logo

    "Entrusting Hacken with a bug bounty program was the right call for us. They took care of all the routine processes and helped us make our products more secure."


  • PAID Network logo

    "They've extended their background and clarification on the subject to ensure the project's success."

    Ruben Guevara

    DevOps Engineer Security Oriented, PAID Network


  • What is zkSync?
  • What are zkSync smart contracts and zkEVM?
  • What are zkSync smart contract security risks?
  • What is a zkSync Smart Contract Audit?
  • Can I conduct a smart contract audit myself?
  • Can I trust Hacken?

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