Soroban Security Audit Bank

Smart Contract Security Across the Stellar Ecosystem

The Stellar Development Foundation (SDF) is dedicated to maintaining the highest security standards within the Stellar ecosystem. The Soroban Security Audit Bank provides comprehensive, structured security audits for eligible projects funded through the Stellar Community Fund (SCF), enabling developers to build confidently on Stellar.

Program Benefits for Eligible SCF Projects

Complimentary Initial Audit

Projects will need to contribute 5% of the audit cost upfront, but this co-payment amount is eligible for a full refund, provided that critical, high, and medium vulnerabilities identified are swiftly remediated within 20 business days of receiving the initial audit report.

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Incentivized Security at Key Traction Milestones

Complimentary, extensive follow-up audits are available as projects achieve critical traction milestones (e.g., $10M and $100M Total Value Locked). These audits include deeper assessments such as formal verification or competitive audits, significantly boosting project security at pivotal stages.

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Enhanced Audit Readiness Support

Projects receive structured preparation support, including the implementation of best practices and security standards based on the STRIDE threat modeling framework. This ensures project teams are thoroughly prepared, optimizing audit efficiency and minimizing delays.

View Security Best Practices

Trusted Audit Partners

Audit Bank funding can be used to help cover costs of security review by industry-leading audit firms at pre-negotiated rates.

Certora

Specializes in Web3 security providing both audits and formal verification of smart contracts based on mathematical reasoning of code.

Code4rena

Code4rena is a competitive audit platform where 100+ top security researchers review your code per audit, uncovering high-severity bugs before…

Halborn

Founded in 2019, Halborn provides world-class security assessments and consulting for Web3 and Fortune 500 clients—protecting against crypto-specific threats like smart contract exploits, social engineering, and infrastructure breaches.

Oak Security

Securing Web3 since 2017, Oak Security has completed over 600 audits without a single exploit. Oak Security’s signature ‘blinded’ process guarantees that every line of code is reviewed by multiple auditors in parallel. Fast, robust, secure.

OtterSec

Focused on identifying and patching critical exploits before protocols go to market; known for securing over $36B in total value locked (TVL) across 120+ protocols of major ecosystems.

Runtime Verification

Offers formal methods and runtime verification techniques to enhance blockchain system safety and reliability, starting with an in-depth design and specification review to ensure deep understanding of the protocol.

Spearbit + Cantina

Cantina and Spearbit combine a world-class security researcher network with purpose-built tools - delivering scalable and effective solutions pre-deployment through runtime all in one platform.

Veridise

Offers rigorous smart contract and ZK circuit audits backed by deep blockchain security expertise and advanced in-house vulnerability detection tooling.

Zellic

Zellic is a leading security research firm specializing in blockchain and cryptography, led by world-class white-hat professionals and trusted by top projects for uncompromising security.

Program Structure

The Soroban Security Audit Bank follows a clear, structured process designed to maximize security and audit efficiency. For detailed information, refer to the full Soroban Security Audit Bank Rules and Guidelines.

To ensure accountability and efficient resource allocation, projects may be required to co-pay for audits based on their TVL (Total Value Locked) or equivalent traction milestones.

*If the project is able to successfully address all critical, high, and medium issues identified by the Audit Firm within 20 business days, the 5% co-payment of the Initial Audit will be refunded back to the project.

Projects that require follow-up audits after the initial audit but before meeting the traction criteria for growth and scale audits are partially covered under the program. For details on coverage and requirements for these intermediate audits, please refer to the full Soroban Security Audit Bank Rules and Guidelines.

Explore Audit Reports

Review recent audit reports from supported projects.

TokenOps

Completed: March 4, 2025

View Audit Report

Estrela

Completed: February 28, 2025

View Audit Report

Aquarius

Completed: December 29, 2024

View Audit Report

OrbitCDP

Completed: December 26, 2024

View Audit Report

Get Started

Already an SCF-funded project and meet eligibility requirements? Check your email for an invite or contact [email protected] to request an audit today.

New to Stellar? Start your journey with the Stellar Community Fund. For any questions on the Audit Bank, contact [email protected].

FAQ

Projects funded through the Stellar Community Fund involving financial protocols, high-dependency data services, or high-traction dApps. See details here.

Prior to an eligible project's initial audit, the project must pay 5% of its first audit cost as an upfront co-payment to SDF. Subsequently, SDF will pay the entire first audit cost to the selected audit firm. The project's co-payment amount may be refunded by SDF to the project provided the project remediates all critical, high, and medium vulnerabilities within 20 business days of receiving the audit report.

Projects should request an audit if they are eligible, and are close to launching on Stellar mainnet, demonstrate technical maturity, including stable code, comprehensive documentation, and readiness for review—typically after completing the SCF Build testnet tranche.

Eligible projects are typically matched with an audit firm within approximately two weeks after passing the readiness review. Audit firms are able to schedule most audits within 3-6 weeks after matching. The audit length depends on the scope of the code to be audited, and can take anywhere from 2 to 8 weeks.

Complimentary follow-up audits are available at significant traction milestones, such as $10M and $100M Total Value Locked. If you haven’t met these milestones yet but need an additional audit, a co-payment will be required (20% of total audit cost for 2nd audit, 50% of total audit cost for 3rd audit). See details here.

Yes, the Stellar ecosystem has advanced security tooling which can help identify and address vulnerabilities before and after audits. See a full list of available tooling here.

The Audit Readiness Checklist, including Security Best Practices, are available to support your readiness for the Soroban Security Audit Bank.