Home/Services/smart contract audit company
Zero-Day Vulnerability Defense

Smart Contract Audit Services

Mathematical formal verification and manual line-by-line security review for Web3 protocols.

Why Leading Organizations Choose LOZULA for Smart Contract Audit Services

LOZULA provides comprehensive, battle-tested smart contract security audits. Combining Z3 theorem prover mathematical formal proofs with adversarial manual review by top security researchers, we secure DeFi protocols, cross-chain bridges, token contracts, and decentralized governance systems.

Vulnerabilities & Attack Vectors Prevented

Reentrancy & Cross-Function Reentrancy Exploits
Flash Loan Price Manipulation & Oracle Attacks
Arithmetic Underflow/Overflow & Rounding Errors
Access Control Bypass & Unchecked delegatecall
MEV Sandwich & Front-Running Attack Vectors
Denial-of-Service (DoS) with Block Gas Limits

Audit Scope Coverage

  • Solidity & Vyper Smart Contracts (EVM)
  • Rust & Anchor Programs (Solana)
  • Move Smart Contracts (Aptos, Sui)
  • Custom Tokenomics, Staking & Vesting Pools
  • Cross-Chain Messaging & Liquidity Bridges

Deliverables Included

  • Executive Summary & Risk Scoring Matrix
  • Detailed Technical Finding Reports with PoC Exploit Scripts
  • Specific Line-by-Line Code Remediation Recommendations
  • Cryptographically Signed PDF Certificate & Soulbound NFT Badge
  • 1 Year Retesting & SLA Fix Verification

Our Rigorous Audit Methodology

From initial threat modeling to post-remediation certification.

01

Threat Modeling & Architecture Scoping

Map complete contract state transitions, external dependencies, and trust boundaries.

02

Automated SAST & Z3 Formal Prover

Execute automated symbolic execution and prove invariants against mathematical specifications.

03

Adversarial Manual Code Review

Two independent lead security researchers review every line for subtle economic and logic flaws.

04

Exploit PoC Studio & Verification

Create executable Proof-of-Concept exploits in Hardhat/Foundry to validate severity.

05

1-Year Retesting & Soulbound Certification

Verify client code patches and issue on-chain cryptographic audit certificate.

Frequently Asked Questions

Everything you need to know about Smart Contract Audit Services.

What is included in a LOZULA smart contract audit?

Our smart contract audit includes automated static analysis, mathematical formal verification using Z3 Prover, comprehensive manual line-by-line code review by elite security researchers, exploit PoC generation, and a cryptographically verifiable signed audit certificate with 1 year retesting.

Which blockchain languages and ecosystems do you support?

We audit smart contracts on Ethereum (Solidity, Vyper), BNB Chain, Polygon, Arbitrum, Optimism, Base, Avalanche, Solana (Rust/Anchor), and Move-based blockchains (Aptos, Sui).

How long does a smart contract audit take?

Standard audits typically take 3 to 7 business days depending on lines of code (LOC), architecture complexity, and whether expedited turnaround is requested.