A smart contract audit is a security review of a blockchain project's code, conducted by an independent firm. Audits are one of the most important signals of a project's legitimacy — but most investors don't know how to read them. This guide will walk you through the key sections of an audit report and explain what to look for.
What Is a Smart Contract Audit?
A smart contract audit is a systematic examination of a project's Solidity (or Rust, Move, etc.) code by security researchers. The goal is to identify vulnerabilities that could be exploited to steal funds, freeze assets, or manipulate the protocol. Reputable audit firms include CertiK, Hacken, Trail of Bits, OpenZeppelin, and PeckShield.
The 4 Severity Levels in Audit Reports
- ▶Critical — Vulnerabilities that can lead to direct loss of funds or complete protocol compromise. These must be fixed before launch. Example: reentrancy attack vector in withdrawal function.
- ▶High — Serious issues that could cause significant harm under certain conditions. Should be fixed before launch. Example: integer overflow in fee calculation.
- ▶Medium — Issues that could cause problems but require specific conditions to exploit. Should be addressed. Example: missing input validation on admin functions.
- ▶Low / Informational — Best practice violations or minor code quality issues. Good to fix but not urgent. Example: missing event emissions, unused variables.
Key Sections of an Audit Report
1. Executive Summary
This section gives you the overall verdict. Look for the total number of findings by severity, the audit scope (which contracts were reviewed), and whether the audit was conducted on the final deployed code or a pre-deployment version. If the audit was done on a different version than what's deployed, it may not be valid.
2. Scope and Methodology
Check which specific contract files and commit hashes were audited. Compare these to the deployed contracts on Etherscan. If the deployed bytecode doesn't match the audited source code, the audit is meaningless.
3. Findings and Remediation
This is the most important section. For each finding, check the severity, the description of the vulnerability, the recommended fix, and the project team's response. Look for a 'Resolved', 'Acknowledged', or 'Won't Fix' status. Unresolved Critical/High findings with a 'Won't Fix' response are a major red flag.
How GoldenBit.ai Automates Audit Analysis
GoldenBit.ai's Smart Contract Audit pillar performs automated static analysis of EVM bytecode — no audit report required. It detects reentrancy vulnerabilities, hidden mint functions, ownership backdoors, honeypot patterns, and proxy upgrade risks in seconds. This gives you an instant baseline risk assessment even for tokens that have never been formally audited.