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Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
LABS
Services

L2 Aggregation Smart Contract Audit

Security-focused audits for smart contracts that bridge, aggregate, or orchestrate value across multiple Layer 2 networks. We identify and mitigate the unique risks of cross-L2 interactions.
Chainscore © 2026
overview
CORE SERVICE

Smart Contract Development

Secure, production-ready smart contracts built for scale and compliance.

We architect, develop, and audit custom smart contracts that form the immutable business logic for your application. Our focus is on security-first development, gas optimization, and long-term maintainability.

  • Security Audits: All code undergoes internal review and is built with OpenZeppelin standards, ready for third-party audits.
  • Protocol Expertise: Custom ERC-20, ERC-721, ERC-1155, staking systems, DAO governance, and DeFi primitives.
  • Full Lifecycle: From specification and Solidity 0.8+ development to deployment, verification, and monitoring on mainnet.

Deploy with confidence. We deliver battle-tested contracts that protect your assets and users, reducing time-to-market from months to weeks.

key-features-cards
PROVEN PROCESS

Our Audit Methodology for L2 Aggregation

Our systematic, multi-layered audit approach is designed to uncover critical vulnerabilities in your L2 aggregation logic, bridge interactions, and cross-chain messaging before they impact users or assets.

01

Architecture & Design Review

We analyze your system's architecture for logical flaws in cross-chain message passing, sequencer assumptions, and fraud proof integration. This ensures your protocol's fundamental design is sound before a single line of code is examined.

100%
Coverage
Phase 1
Audit Stage
02

Automated Vulnerability Scanning

Leveraging proprietary and industry-standard tools (Slither, MythX) to perform static and dynamic analysis. We target common L2 risks like reentrancy in bridge contracts, incorrect state root validation, and MEV vulnerabilities in sequencer logic.

200+
Checks
< 24h
Initial Report
03

Manual Code Review & Exploit Simulation

Our senior auditors conduct line-by-line review of core aggregation, settlement, and dispute contracts. We simulate complex attack vectors including time-based exploits, malicious validator collusion, and economic attacks on the bridge's security model.

Senior
Auditor Level
100+
Man-Hours
04

Formal Verification for Critical Paths

For mathematically proving the correctness of your protocol's most critical functions—such as fund settlement and state transition verification—we apply formal methods to eliminate entire classes of bugs.

Mathematical
Proof
Zero-Day
Bug Guarantee
05

Gas Optimization & Economic Analysis

We audit for cost-efficiency across L1 and L2, ensuring your aggregation logic minimizes gas fees for end-users. We also stress-test the protocol's economic incentives to ensure long-term security and stability.

Up to 40%
Gas Saved
Economic
Security Audit
06

Remediation Support & Final Verification

We provide clear, actionable remediation guidance and work directly with your team to verify fixes. The process concludes with a final review to ensure all identified issues are resolved, delivering a certification-ready audit report.

Unlimited
Q&A Sessions
Certified
Final Report
benefits
EXPERTISE MATTERS

Why Choose a Specialized L2 Aggregation Audit

Standard smart contract audits miss the critical complexities of cross-chain messaging, state validation, and fraud-proof mechanisms. Our audits are engineered specifically for the unique attack vectors of L2 aggregation protocols.

Choose Your Audit Depth

Comprehensive Audit Scope & Deliverables

Our tiered audit packages are designed to match your project's stage and security requirements, from pre-launch validation to enterprise-grade protection.

Audit ComponentStarter AuditProfessional AuditEnterprise Audit

Smart Contract Code Review

L2 Aggregation Logic Analysis

Gas Optimization Report

Formal Verification (Key Functions)

Economic & Incentive Model Review

Third-Party Dependency Audit

Remediation Support & Re-Audit

1 round

2 rounds

Unlimited

Vulnerability Disclosure Program Setup

Post-Deployment Monitoring (30 days)

Emergency Response SLA

N/A

48h

4h

Public Audit Report & Badge

Private Executive Summary

Typical Timeline

5-7 business days

10-14 business days

Custom

Starting Price

$8,500

$25,000

Contact for 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 that power your core business logic. Our contracts are built for high-value transactions and regulatory compliance from day one.

From tokenization to DeFi protocols, we deliver battle-tested code that protects assets and enables growth.

  • Security-First Development: Solidity 0.8+ with OpenZeppelin libraries and formal verification patterns.
  • Full Audit Trail: Comprehensive unit/integration testing, plus preparation for third-party audits from firms like CertiK or Quantstamp.
  • Gas Optimization: Code reviewed for efficiency, targeting up to 40% lower transaction costs.
  • Deployment & Management: Full lifecycle support from testnets (Sepolia, Holesky) to mainnet, including upgradeable proxy patterns.
Technical & Process Questions

L2 Aggregation Audit FAQs

Answers to the most common questions from CTOs and technical founders about our specialized L2 aggregation smart contract audit service.

We employ a hybrid methodology combining manual review by senior auditors (3+ years blockchain security) with custom-built static analysis tools for L2-specific vulnerabilities. The process includes: 1) Architecture review of cross-chain messaging and state validation, 2) In-depth line-by-line code review of bridge, sequencer, and prover logic, 3) Economic and incentive analysis for fraud proofs and slashing, and 4) Integration testing with simulated L1 and L2 environments. This approach has secured over $2B+ in cross-chain TVL across 30+ aggregation projects.

ENQUIRY

Get In Touch
today.

Our experts will offer a free quote and a 30min call to discuss your project.

NDA Protected
24h Response
Directly to Engineering Team
10+
Protocols Shipped
$20M+
TVL Overall
NDA Protected Directly to Engineering Team