We architect and deploy custom smart contracts for tokens, DeFi protocols, NFTs, and DAOs. Our engineers write in Solidity 0.8+ using OpenZeppelin libraries and implement formal verification for critical logic.
LABS
Services
Multi-Signature Cross-Chain Bridge Audit
Specialized security audits for the most critical component of your cross-chain bridge: the multi-signature governance and treasury management system. We identify vulnerabilities in key management, access controls, and validator logic before they lead to fund loss.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
- Security-First Development: Every contract undergoes manual review, automated testing, and third-party audit preparation.
- Gas Optimization: We reduce transaction costs by 20-40% through efficient bytecode and storage patterns.
- Full Lifecycle Support: From initial spec to mainnet deployment and upgrade management via transparent proxy patterns.
Deliver a secure, auditable foundation for your protocol in as little as 4 weeks.
key-features-cards
COMPREHENSIVE SECURITY REVIEW
What We Audit in Your Multi-Signature Bridge System
Our audit delivers a complete security assessment of your bridge's core components, identifying vulnerabilities before they become exploits. We focus on the critical logic that secures billions in cross-chain assets.
01
Multi-Signature Governance & Access Control
We audit the on-chain governance, signer management, and permission logic. We verify signer addition/removal processes, quorum thresholds, and timelocks to prevent unauthorized upgrades or fund movement.
100%
Logic Coverage
O(1) Review
Access Control
02
Message Validation & Relayer Security
We analyze the validation of cross-chain messages, relayer incentive mechanisms, and slashing conditions. Our review ensures only valid, non-replayable transactions are executed on the destination chain.
Zero
Replay Attack Vectors
Full
Signature Verification
03
Asset Vault & Custody Logic
We scrutinize the locking/minting, burning/unlocking mechanisms, and reserve management. We verify the 1:1 asset backing, fee accrual safety, and prevention of fractional reserve or double-spend scenarios.
1:1
Asset Peg Audit
100%
Balance Invariants
04
Upgradeability & Emergency Procedures
We assess the safety of proxy patterns, upgrade timelocks, and pause mechanisms. Our audit validates that emergency shutdowns are accessible only to authorized parties and protect user funds during crises.
48h+
Min. Timelock
Secure
Proxy Storage
05
Economic & Incentive Security
We review the economic model for sustainability, including relayer rewards, fee structures, and slashing conditions. We identify risks like incentive misalignment or griefing attacks that could halt the bridge.
> Cost
Slash > Reward
Stable
Fee Model
06
Integration & External Risk
We examine dependencies on oracles, price feeds, and external smart contracts. Our audit maps trust assumptions and single points of failure in the broader system architecture that could compromise the bridge.
All
Dependencies Mapped
Minimized
External Trust
benefits
DELIVERABLES
Outcomes: Protect Assets and Build Trust
Our audit delivers a clear, actionable report and expert guidance to secure your bridge, mitigate risk, and provide stakeholders with verified confidence.
01
Comprehensive Security Report
Receive a detailed technical analysis covering critical, high, and medium-severity vulnerabilities, with clear remediation steps and code-level recommendations.
100+
Checks Performed
OWASP & NIST
Frameworks
02
Multi-Signature Logic Validation
We rigorously audit the authorization, execution, and recovery flows of your multi-sig setup to prevent unauthorized withdrawals and governance attacks.
Zero Trust
Model Verified
Formal Verification
For Critical Paths
03
Cross-Chain Message Integrity
In-depth analysis of your bridge's message relay, verification, and finality mechanisms to prevent double-spends and replay attacks across chains.
All Major VMs
Covered (EVM, SVM, etc.)
State Proofs
Audited
04
Economic & Incentive Review
Assessment of staking slashing conditions, validator incentives, and fee structures to ensure long-term economic security and protocol stability.
Sybil Resistance
Analysis
Stress Tested
Models
05
Upgradeability & Admin Controls
Security review of timelocks, proxy patterns, and administrative privileges to ensure safe, transparent, and non-custodial upgrade paths.
No Single Point
Of Failure
48h+ Timelocks
Recommended
06
Executive Summary & Remediation Support
Get a non-technical summary for leadership and direct access to our engineers for clarifying findings and verifying fixes before mainnet deployment.
Priority Support
During Fixes
Re-Audit
Included
Choose Your Audit Depth
Multi-Signature Cross-Chain Bridge Audit Packages
Our tiered audit packages are designed to provide the right level of security assurance for your bridge's stage and complexity, from pre-launch validation to enterprise-grade protection.
| Audit Deliverables | Starter | Professional | Enterprise |
|---|---|---|---|
Smart Contract Code Review | |||
Multi-Sig Governance Logic Audit | |||
Cross-Chain Message Verification | |||
Economic & Incentive Analysis | |||
Formal Verification (Key Functions) | |||
Gas Optimization Report | |||
Remediation Support & Re-Audit | 1 round | 2 rounds | Unlimited rounds |
Post-Deployment Monitoring | 7 days | 30 days | 90 days |
Priority Response SLA | 72h | 24h | 4h |
Executive Summary for Leadership | |||
Vulnerability Disclosure Program Setup | |||
Estimated Timeline | 2-3 weeks | 3-4 weeks | 4-6 weeks |
Starting Price | $15,000 | $45,000 | Custom Quote |
process-walkthrough
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
We architect and deploy custom smart contracts on EVM and Solana that power your core business logic. Every contract undergoes formal verification and peer review to eliminate vulnerabilities before mainnet deployment.
From tokenomics to governance, we translate your requirements into gas-optimized, auditable code.
- Token Systems:
ERC-20,ERC-721,SPLtokens with minting, vesting, and staking mechanics. - DeFi Primitives: Automated Market Makers (AMMs), lending pools, and yield aggregators.
- Enterprise Logic: Multi-signature wallets, compliance modules, and cross-chain bridges.
- Full Audit Trail: Comprehensive documentation and
NatSpeccomments for maintainability.
Why a specialized bridge audit is critical
Chainscore Audit vs. Generic Smart Contract Review
A multi-signature cross-chain bridge is a high-value, high-risk system. A generic code review is insufficient. This table compares our targeted security service against a standard smart contract audit.
| Audit Dimension | Generic Smart Contract Review | Chainscore Bridge Audit |
|---|---|---|
Multi-Signature Key Management Review | ||
Cross-Chain Message Relay Logic | Surface-level | In-depth (State Machine, Nonce, Replay) |
Economic & Incentive Attack Analysis | ||
Gas Optimization for Batch Operations | Basic | Advanced (SLA-Optimized) |
Third-Party Oracle/Dependency Audit | Not included | Full dependency tree review |
Post-Deployment Incident Response SLA | 4-hour response time | |
Formal Verification for Core Functions | Optional Add-on | |
Final Deliverable | Vulnerability Report | Audit Report + Deployment Checklist + Monitoring Guide |
Typical Timeline | 1-2 weeks | 2-4 weeks |
Typical Investment | $5K - $15K | $25K - $75K+ |
Expert Insights
Frequently Asked Questions on Multi-Signature Bridge Audits
Get clear answers on our audit process, timeline, and security methodology for cross-chain bridge treasury security.
We employ a rigorous, multi-layered methodology: 1) Architecture Review - Assess the multi-sig scheme, signer management, and upgrade paths. 2) Smart Contract Audit - Manual and automated analysis of all treasury management contracts (Gnosis Safe, custom modules) for logic flaws and vulnerabilities. 3) Operational Security Review - Evaluate key generation, storage, transaction signing procedures, and disaster recovery. 4) Economic & Game Theory Analysis - Model attack vectors like signer collusion or governance attacks. Our process is based on industry standards and our experience securing over $500M+ in cross-chain assets.
ENQUIRY
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.
NDA Protected
Confidentiality24h Response
Time to ValueDirectly to Engineering Team
No Sales Fluff10+
Protocols Shipped
$20M+
TVL Overall