Multi-Chain NFT Bridge Security Audit

overview

BUILD FROM SCRATCH

Custom Blockchain Development

Architect and deploy purpose-built blockchains tailored to your specific business logic and performance requirements.

We design and build custom Layer 1 and Layer 2 solutions that solve your unique challenges. Forget adapting to a general-purpose chain; we create a blockchain optimized for your throughput, governance, and consensus needs.

Tailored Consensus & Governance: Build with Tendermint, Polkadot Substrate, or custom EVM rollups.
High-Performance Architecture: Achieve >10,000 TPS with sub-second finality for real-time applications.
Full Protocol Ownership: Control your upgrade path, fee structure, and validator set.

From initial white paper to mainnet launch, we manage the entire lifecycle with a focus on security, scalability, and developer experience.

Our process delivers a production-ready testnet in 8-12 weeks, followed by rigorous security audits and a phased mainnet rollout. We ensure your chain is built for the long term, not just a proof-of-concept.

key-features-cards

PROVEN PROCESS

Our NFT Bridge Security Audit Methodology

Our systematic, multi-layered audit approach uncovers critical vulnerabilities before they become exploits, delivering a security posture that protects assets and builds user trust.

Architecture & Design Review

We analyze your bridge's core architecture for systemic risks, including cross-chain message validation, asset locking/unlocking mechanisms, and governance attack vectors. This prevents fundamental design flaws that automated tools miss.

100%

Design Coverage

Phase 1

Audit Stage

Smart Contract Security Analysis

Manual line-by-line review and automated testing of all bridge contracts (lockers, minters, relayers). We target reentrancy, logic errors, and token standard compliance (ERC-721, ERC-1155) specific to NFT transfers.

100%

Code Coverage

Phase 2

Audit Stage

Economic & Incentive Modeling

Stress-testing the bridge's economic security. We simulate attack scenarios like validator collusion, liquidity draining, and griefing attacks to ensure the system remains solvent and incentive-aligned under adversarial conditions.

50+

Attack Vectors Modeled

Phase 3

Audit Stage

Cross-Chain Consensus Verification

Deep audit of the consensus mechanism securing cross-chain state. We verify the security of light clients, oracles, or validator sets, ensuring finality and preventing double-spend or fake deposit attacks.

All Layers

Stack Reviewed

Phase 4

Audit Stage

Operational Security & Privilege Review

Comprehensive analysis of admin functions, upgradeability patterns, and multi-sig configurations. We ensure no single point of failure exists and that emergency procedures are secure and unambiguous.

Zero Trust

Assumption

Phase 5

Audit Stage

Remediation & Verification

We provide prioritized, actionable fixes for all findings and conduct a follow-up review to verify corrections. This includes final gas optimization recommendations for cost-efficient, secure operations.

Guaranteed

Re-Audit

Final Phase

Audit Stage

benefits

EXPERTISE YOU CAN TRUST

Why Choose Chainscore for Your Bridge Audit

Secure your cross-chain asset transfers with a security partner trusted by leading protocols. Our audits are engineered to identify critical vulnerabilities before they become exploits.

Protocol-Specific Expertise

Our team has deep, hands-on experience auditing bridges across Wormhole, LayerZero, Axelar, and custom implementations. We understand the unique attack vectors for each architecture.

10+

Bridge Protocols Audited

5+ Years

Cross-Chain Experience

Comprehensive Risk Assessment

We go beyond standard smart contract checks to audit the entire bridge stack: relayers, oracles, governance, and economic security. Our reports include detailed threat modeling and mitigation strategies.

100%

Code Coverage

5-Tier

Risk Framework

Actionable, Developer-First Reports

Receive clear, prioritized findings with line-by-line code references and proof-of-concept exploits. We provide remediation guidance and re-audit critical fixes at no extra cost.

< 72h

Critical Issue TAT

Guaranteed

Re-Audit Support

Proven Security Track Record

Our audits have secured over $2B in cross-chain TVL for top-tier DeFi and NFT projects. We employ formal verification and fuzzing tools used by leading security firms.

Choose Your Security Level

Comprehensive Audit Packages

Our tiered security audit packages for multi-chain NFT bridges are designed to match your project's stage, budget, and risk profile. Each tier includes a rigorous manual and automated review of your bridge's smart contracts, focusing on cross-chain asset integrity and user fund security.

Audit Scope & Deliverables	Starter	Professional	Enterprise
Smart Contract Security Audit
Cross-Chain Logic Review (Bridge Core)
Gas Optimization & Efficiency Analysis
Third-Party Dependency Audit (e.g., Oracles, Relayers)
Formal Verification (Key Functions)
Remediation Support & Re-Audit	1 round	2 rounds	Unlimited
Post-Deployment Monitoring Period	30 days	90 days	1 year
Emergency Response SLA	72h	24h	4h
Executive Summary & Risk Report
Public Audit Report & Badge
Custom Pricing & SLA
Typical Project Scope	New Bridge MVP	Production Bridge	High-Value Institutional Bridge
Estimated Timeline	2-3 weeks	3-5 weeks	5-8 weeks
Starting Price	$15,000	$45,000	Contact for Quote

process-walkthrough

CORE INFRASTRUCTURE

Smart Contract Development

Secure, production-ready smart contracts built by Web3-native engineers.

We architect and deploy custom smart contracts that form the foundation of your protocol. Our development process is built on audited security patterns and gas-optimized code to ensure reliability and cost-efficiency from day one.

From token standards to complex DeFi logic, we deliver contracts that are secure by design.

Token Systems: Custom ERC-20, ERC-721, and ERC-1155 implementations with advanced features like vesting, staking, and governance.
DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, yield aggregators, and derivative contracts.
Enterprise Logic: Multi-signature wallets, cross-chain bridges, and custom business logic for real-world asset tokenization.
Full Lifecycle Support: Development, testing, deployment, and ongoing maintenance with 99.9% uptime SLAs.

Our engineers use Solidity 0.8+ with OpenZeppelin libraries and follow a rigorous audit process. We provide comprehensive documentation and developer handoff, enabling your team to build on a secure and well-understood codebase.

For CTOs and Technical Leads

NFT Bridge Security Audit FAQs

Get clear answers on our security audit process, timeline, and deliverables for multi-chain NFT bridges.

We employ a hybrid methodology combining automated analysis with deep manual review. Our process includes: 1) Architecture Review of cross-chain messaging and asset locking logic, 2) Smart Contract Audit focusing on ERC-721/1155, bridge contracts, and governance, 3) Economic & Game Theory Analysis of incentives and validator security, and 4) Integration Testing against live testnets. We've secured over $2B in bridged assets using this framework.

Custom Blockchain Development

Our NFT Bridge Security Audit Methodology

Architecture & Design Review

Smart Contract Security Analysis

Economic & Incentive Modeling

Cross-Chain Consensus Verification

Operational Security & Privilege Review

Remediation & Verification

Why Choose Chainscore for Your Bridge Audit

Protocol-Specific Expertise

Comprehensive Risk Assessment

Actionable, Developer-First Reports

Proven Security Track Record

Comprehensive Audit Packages

Smart Contract Development

NFT Bridge Security Audit FAQs

Get a free quote.

Get In Touch
today.

Multi-Chain NFT Bridge Security Audit

Custom Blockchain Development

Our NFT Bridge Security Audit Methodology

Architecture & Design Review

Smart Contract Security Analysis

Economic & Incentive Modeling

Cross-Chain Consensus Verification

Operational Security & Privilege Review

Remediation & Verification

Why Choose Chainscore for Your Bridge Audit

Protocol-Specific Expertise

Comprehensive Risk Assessment

Actionable, Developer-First Reports

Proven Security Track Record

Comprehensive Audit Packages

Smart Contract Development

NFT Bridge Security Audit FAQs

Get In Touch today.

Get In Touch
today.